81263159 ÷ 817 
We're looking to find how many times 817 goes into 81263159.

Going ahead to step 1:
When dividing 8 by 817, we get 0 with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 817

Let's proceed to step 2:
817 goes into 81 0 times 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.
Fetch the next digit (2) from the dividend, attach it to 81 and continue: 812 / 817

Step 3:
The number 817 fits into 812 0 times, leaving a remainder of 812.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 812 after subtracting 0 from 812.
Include the next digit (6) from the dividend after 812, then repeat: 8126 / 817

Going ahead to step 4:
The number 817 fits into 8126 9 times, leaving a remainder of 773.
Write down 9 as next digit of the result. 
Result so far: 9.0
The remainder is 773 after subtracting 7353 from 8126.
Bring next digit (3) of the dividend behind the 773 and repeat the process: 7733 / 817

Going ahead to step 5:
When dividing 7733 by 817, we get 9 with a remainder of 380.
The next digit of our result is 9. 
Result so far: 99.0
If we subtract 7353 from 7733, we get 380.
Append the next digit (1) from the dividend to 380 and continue with: 3801 / 817

Going ahead to step 6:
3801 divided by 817 is 4 with a remainder of 533.
Record the quotient 4 as the next digit in the result. 
Result so far: 994.0
The remainder is 533 after subtracting 3268 from 3801.
Fetch the next digit (5) from the dividend, attach it to 533 and continue: 5335 / 817

Advancing to step 7:
817 can be fit into 5335 6 times, resulting in a remainder of 433.
Use 6 as the next digit of our solution. 
Result so far: 9946.0
Deduct 4902 from 5335 and we're left with 433.
Append the next digit (9) from the dividend to 433 and continue with: 4339 / 817

Moving on to step 8:
The number 817 fits into 4339 5 times, leaving a remainder of 254.
The next digit of our result is 5. 
Result so far: 99465.0
Subtract 4085 from 4339 to get 254.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2540, and continue the process.

Advancing to step 9:
2540 divided by 817 is 3 with a remainder of 89.
The number 3 becomes the next digit in our result. 
Result so far: 99465.3
Deduct 2451 from 2540 and we're left with 89.
Since there are no more digits in the dividend, we add a zero to the remainder making it 890, and continue the process.

Step 10:
If we divide 890 by 817, we get 1 and a remainder of 73.
Put 1 as the next digit of the answer. 
Result so far: 99465.31
The remainder is 73 after subtracting 817 from 890.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

On to step 11:
If we divide 730 by 817, we get 0 and a remainder of 730.
Write down 0 as next digit of the result. 
Result so far: 99465.31
The remainder is 730 after subtracting 0 from 730.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7300, and continue the process.

Going ahead to step 12:
7300 divided by 817 is 8 with a remainder of 764.
The next digit of our result is 8. 
Result so far: 99465.3108
Deduct 6536 from 7300 and we're left with 764.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7640, and continue the process.

Step 13:
The number 817 fits into 7640 9 times, leaving a remainder of 287.
Use 9 as the next digit of our solution. 
Result so far: 99465.31089
Subtracting 7353 from 7640 leaves us with 287.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2870, and continue the process.

Let's proceed to step 14:
817 goes into 2870 3 times with a remainder of 419.
The next digit of our result is 3. 
Result so far: 99465.310893
The remainder is 419 after subtracting 2451 from 2870.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4190, and continue the process.

On to step 15:
If we divide 4190 by 817, we get 5 and a remainder of 105.
Put 5 as the next digit of the answer. 
Result so far: 99465.3108935
Subtracting 4085 from 4190 leaves us with 105.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1050, and continue the process.

On to step 16:
If we divide 1050 by 817, we get 1 and a remainder of 233.
Write down 1 as next digit of the result. 
Result so far: 99465.31089351
The remainder is 233 after subtracting 817 from 1050.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2330, and continue the process.

In conclusion, the division gives 99465.31089351 with a balance of 2.33e-07.