We look at the division of 81391488 by 573 
We're looking to find how many times 573 goes into 81391488.

Going ahead to step 1:
8 divided by 573 is 0 with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (1) from the dividend, attach it to 8 and continue: 81 / 573

Let's proceed to step 2:
If we divide 81 by 573, we get 0 and a remainder of 81.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 81 and we're left with 81.
Take the next digit (3) from the dividend and append it to 81, then repeat: 813 / 573

Going ahead to step 3:
If we divide 813 by 573, we get 1 and a remainder of 240.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 573 from 813 leaves us with 240.
Bring next digit (9) of the dividend behind the 240 and repeat the process: 2409 / 573

On to step 4:
When dividing 2409 by 573, we get 4 with a remainder of 117.
Put 4 as the next digit of the answer. 
Result so far: 14.0
Subtracting 2292 from 2409 leaves us with 117.
Grab the next digit (1) from the dividend, add it to 117, then carry on: 1171 / 573

Step 5:
If we divide 1171 by 573, we get 2 and a remainder of 25.
Use 2 as the next digit of our solution. 
Result so far: 142.0
Subtract 1146 from 1171 to get 25.
Grab the next digit (4) from the dividend, add it to 25, then carry on: 254 / 573

On to step 6:
573 goes into 254 0 times with a remainder of 254.
Put 0 as the next digit of the answer. 
Result so far: 1420.0
The remainder is 254 after subtracting 0 from 254.
Grab the next digit (8) from the dividend, add it to 254, then carry on: 2548 / 573

Let's proceed to step 7:
2548 divided by 573 is 4 with a remainder of 256.
The number 4 becomes the next digit in our result. 
Result so far: 14204.0
Deduct 2292 from 2548 and we're left with 256.
Fetch the next digit (8) from the dividend, attach it to 256 and continue: 2568 / 573

Let's proceed to step 8:
If we divide 2568 by 573, we get 4 and a remainder of 276.
Use 4 as the next digit of our solution. 
Result so far: 142044.0
Deduct 2292 from 2568 and we're left with 276.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2760, and continue the process.

Going ahead to step 9:
573 can be fit into 2760 4 times, resulting in a remainder of 468.
The number 4 becomes the next digit in our result. 
Result so far: 142044.4
Deduct 2292 from 2760 and we're left with 468.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4680, and continue the process.

Advancing to step 10:
The number 573 fits into 4680 8 times, leaving a remainder of 96.
Record the quotient 8 as the next digit in the result. 
Result so far: 142044.48
If we take 4584 away from 4680, we end up with 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

On to step 11:
When dividing 960 by 573, we get 1 with a remainder of 387.
Record the quotient 1 as the next digit in the result. 
Result so far: 142044.481
If we take 573 away from 960, we end up with 387.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3870, and continue the process.

Advancing to step 12:
573 goes into 3870 6 times with a remainder of 432.
Use 6 as the next digit of our solution. 
Result so far: 142044.4816
Deduct 3438 from 3870 and we're left with 432.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4320, and continue the process.

Advancing to step 13:
573 can be fit into 4320 7 times, resulting in a remainder of 309.
The number 7 becomes the next digit in our result. 
Result so far: 142044.48167
Deduct 4011 from 4320 and we're left with 309.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3090, and continue the process.

On to step 14:
573 can be fit into 3090 5 times, resulting in a remainder of 225.
Record the quotient 5 as the next digit in the result. 
Result so far: 142044.481675
Subtract 2865 from 3090 to get 225.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2250, and continue the process.

Moving on to step 15:
When dividing 2250 by 573, we get 3 with a remainder of 531.
Put 3 as the next digit of the answer. 
Result so far: 142044.4816753
If we take 1719 away from 2250, we end up with 531.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5310, and continue the process.

Going ahead to step 16:
573 goes into 5310 9 times with a remainder of 153.
The number 9 becomes the next digit in our result. 
Result so far: 142044.48167539
If we subtract 5157 from 5310, we get 153.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1530, and continue the process.

In conclusion, the division gives 142044.48167539 with a balance of 1.53e-07.