89578621 ÷ 493 
Let's see how many times 493 fits into 89578621.

Advancing to step 1:
If we divide 8 by 493, we get 0 and a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Fetch the next digit (9) from the dividend, attach it to 8 and continue: 89 / 493

Going ahead to step 2:
493 goes into 89 0 times with a remainder of 89.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 89 to get 89.
Include the next digit (5) from the dividend after 89, then repeat: 895 / 493

Going ahead to step 3:
493 goes into 895 1 times with a remainder of 402.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 493 away from 895, we end up with 402.
Bring next digit (7) of the dividend behind the 402 and repeat the process: 4027 / 493

Let's proceed to step 4:
The number 493 fits into 4027 8 times, leaving a remainder of 83.
Write down 8 as next digit of the result. 
Result so far: 18.0
Subtracting 3944 from 4027 leaves us with 83.
Bring next digit (8) of the dividend behind the 83 and repeat the process: 838 / 493

Going ahead to step 5:
The number 493 fits into 838 1 times, leaving a remainder of 345.
Write down 1 as next digit of the result. 
Result so far: 181.0
Subtracting 493 from 838 leaves us with 345.
Append the next digit (6) from the dividend to 345 and continue with: 3456 / 493

Going ahead to step 6:
The number 493 fits into 3456 7 times, leaving a remainder of 5.
The next digit of our result is 7. 
Result so far: 1817.0
Subtracting 3451 from 3456 leaves us with 5.
Bring next digit (2) of the dividend behind the 5 and repeat the process: 52 / 493

Let's proceed to step 7:
If we divide 52 by 493, we get 0 and a remainder of 52.
Record the quotient 0 as the next digit in the result. 
Result so far: 18170.0
Subtract 0 from 52 to get 52.
Take the next digit (1) from the dividend and append it to 52, then repeat: 521 / 493

Advancing to step 8:
521 divided by 493 is 1 with a remainder of 28.
Record the quotient 1 as the next digit in the result. 
Result so far: 181701.0
Subtracting 493 from 521 leaves us with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 9:
493 goes into 280 0 times with a remainder of 280.
Record the quotient 0 as the next digit in the result. 
Result so far: 181701.0
Subtracting 0 from 280 leaves us with 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

On to step 10:
When dividing 2800 by 493, we get 5 with a remainder of 335.
The next digit of our result is 5. 
Result so far: 181701.05
Subtracting 2465 from 2800 leaves us with 335.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3350, and continue the process.

Advancing to step 11:
493 can be fit into 3350 6 times, resulting in a remainder of 392.
Record the quotient 6 as the next digit in the result. 
Result so far: 181701.056
If we subtract 2958 from 3350, we get 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

Step 12:
493 can be fit into 3920 7 times, resulting in a remainder of 469.
Use 7 as the next digit of our solution. 
Result so far: 181701.0567
If we subtract 3451 from 3920, we get 469.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4690, and continue the process.

On to step 13:
If we divide 4690 by 493, we get 9 and a remainder of 253.
Put 9 as the next digit of the answer. 
Result so far: 181701.05679
The remainder is 253 after subtracting 4437 from 4690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2530, and continue the process.

On to step 14:
493 can be fit into 2530 5 times, resulting in a remainder of 65.
The next digit of our result is 5. 
Result so far: 181701.056795
If we subtract 2465 from 2530, we get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Step 15:
493 goes into 650 1 times with a remainder of 157.
The number 1 becomes the next digit in our result. 
Result so far: 181701.0567951
If we subtract 493 from 650, we get 157.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1570, and continue the process.

Let's proceed to step 16:
The number 493 fits into 1570 3 times, leaving a remainder of 91.
The number 3 becomes the next digit in our result. 
Result so far: 181701.05679513
Subtracting 1479 from 1570 leaves us with 91.
Since there are no more digits in the dividend, we add a zero to the remainder making it 910, and continue the process.

Our division results in 181701.05679513 with a remaining 9.1e-08.