810953 ÷ 81 
We want to figure out the number of times 810953 can be divided by 81.

Step 1:
The number 81 fits into 8 0 times, leaving a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 81

Moving on to step 2:
81 divided by 81 is 1 with a remainder of 0.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 81 from 81 leaves us with 0.
Bring next digit (0) of the dividend behind the 0 and repeat the process: 0 / 81

Step 3:
When dividing 0 by 81, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 10.0
The remainder is 0 after subtracting 0 from 0.
Append the next digit (9) from the dividend to 0 and continue with: 9 / 81

Going ahead to step 4:
9 divided by 81 is 0 with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 100.0
Deduct 0 from 9 and we're left with 9.
Grab the next digit (5) from the dividend, add it to 9, then carry on: 95 / 81

Going ahead to step 5:
The number 81 fits into 95 1 times, leaving a remainder of 14.
Write down 1 as next digit of the result. 
Result so far: 1001.0
If we subtract 81 from 95, we get 14.
Append the next digit (3) from the dividend to 14 and continue with: 143 / 81

Advancing to step 6:
If we divide 143 by 81, we get 1 and a remainder of 62.
The next digit of our result is 1. 
Result so far: 10011.0
Deduct 81 from 143 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Advancing to step 7:
The number 81 fits into 620 7 times, leaving a remainder of 53.
Put 7 as the next digit of the answer. 
Result so far: 10011.7
The remainder is 53 after subtracting 567 from 620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

On to step 8:
When dividing 530 by 81, we get 6 with a remainder of 44.
The number 6 becomes the next digit in our result. 
Result so far: 10011.76
Deduct 486 from 530 and we're left with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Step 9:
81 goes into 440 5 times with a remainder of 35.
Write down 5 as next digit of the result. 
Result so far: 10011.765
Subtract 405 from 440 to get 35.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Step 10:
If we divide 350 by 81, we get 4 and a remainder of 26.
Write down 4 as next digit of the result. 
Result so far: 10011.7654
Subtract 324 from 350 to get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Let's proceed to step 11:
If we divide 260 by 81, we get 3 and a remainder of 17.
The number 3 becomes the next digit in our result. 
Result so far: 10011.76543
The remainder is 17 after subtracting 243 from 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

On to step 12:
If we divide 170 by 81, we get 2 and a remainder of 8.
Use 2 as the next digit of our solution. 
Result so far: 10011.765432
Subtracting 162 from 170 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 13:
81 goes into 80 0 times with a remainder of 80.
The next digit of our result is 0. 
Result so far: 10011.765432
Deduct 0 from 80 and we're left with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Advancing to step 14:
When dividing 800 by 81, we get 9 with a remainder of 71.
The next digit of our result is 9. 
Result so far: 10011.76543209
Subtract 729 from 800 to get 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

The final outcome is 10011.76543209, with a leftover of 7.1e-08.