81850607 ÷ 649 
Let's see how many times 649 fits into 81850607.

Advancing to step 1:
8 divided by 649 is 0 with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Include the next digit (1) from the dividend after 8, then repeat: 81 / 649

Going ahead to step 2:
When dividing 81 by 649, we get 0 with a remainder of 81.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 81, we end up with 81.
Include the next digit (8) from the dividend after 81, then repeat: 818 / 649

Advancing to step 3:
When dividing 818 by 649, we get 1 with a remainder of 169.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 649 from 818 leaves us with 169.
Bring next digit (5) of the dividend behind the 169 and repeat the process: 1695 / 649

Let's proceed to step 4:
649 can be fit into 1695 2 times, resulting in a remainder of 397.
Write down 2 as next digit of the result. 
Result so far: 12.0
Subtract 1298 from 1695 to get 397.
Bring next digit (0) of the dividend behind the 397 and repeat the process: 3970 / 649

Let's proceed to step 5:
649 can be fit into 3970 6 times, resulting in a remainder of 76.
Record the quotient 6 as the next digit in the result. 
Result so far: 126.0
Deduct 3894 from 3970 and we're left with 76.
Include the next digit (6) from the dividend after 76, then repeat: 766 / 649

Moving on to step 6:
649 can be fit into 766 1 times, resulting in a remainder of 117.
Put 1 as the next digit of the answer. 
Result so far: 1261.0
The remainder is 117 after subtracting 649 from 766.
Bring next digit (0) of the dividend behind the 117 and repeat the process: 1170 / 649

On to step 7:
649 can be fit into 1170 1 times, resulting in a remainder of 521.
Use 1 as the next digit of our solution. 
Result so far: 12611.0
Deduct 649 from 1170 and we're left with 521.
Fetch the next digit (7) from the dividend, attach it to 521 and continue: 5217 / 649

Advancing to step 8:
649 goes into 5217 8 times with a remainder of 25.
Write down 8 as next digit of the result. 
Result so far: 126118.0
Subtract 5192 from 5217 to get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Let's proceed to step 9:
250 divided by 649 is 0 with a remainder of 250.
Write down 0 as next digit of the result. 
Result so far: 126118.0
If we take 0 away from 250, we end up with 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2500, and continue the process.

Let's proceed to step 10:
If we divide 2500 by 649, we get 3 and a remainder of 553.
Put 3 as the next digit of the answer. 
Result so far: 126118.03
Subtract 1947 from 2500 to get 553.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5530, and continue the process.

Step 11:
649 goes into 5530 8 times with a remainder of 338.
Put 8 as the next digit of the answer. 
Result so far: 126118.038
Deduct 5192 from 5530 and we're left with 338.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3380, and continue the process.

Going ahead to step 12:
The number 649 fits into 3380 5 times, leaving a remainder of 135.
Record the quotient 5 as the next digit in the result. 
Result so far: 126118.0385
Subtract 3245 from 3380 to get 135.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1350, and continue the process.

Going ahead to step 13:
The number 649 fits into 1350 2 times, leaving a remainder of 52.
Put 2 as the next digit of the answer. 
Result so far: 126118.03852
Deduct 1298 from 1350 and we're left with 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Let's proceed to step 14:
If we divide 520 by 649, we get 0 and a remainder of 520.
Record the quotient 0 as the next digit in the result. 
Result so far: 126118.03852
Deduct 0 from 520 and we're left with 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

Advancing to step 15:
649 goes into 5200 8 times with a remainder of 8.
The number 8 becomes the next digit in our result. 
Result so far: 126118.0385208
The remainder is 8 after subtracting 5192 from 5200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 16:
When dividing 80 by 649, we get 0 with a remainder of 80.
The next digit of our result is 0. 
Result so far: 126118.0385208
If we subtract 0 from 80, we get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

The final result is 126118.0385208 with a remainder of 8e-08.