81790562 ÷ 100 
We want to divide 81790562 by 100.

Advancing to step 1:
100 goes into 8 0 times with 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 / 100

Moving on to step 2:
When dividing 81 by 100, we get 0 with a remainder of 81.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 81, we get 81.
Append the next digit (7) from the dividend to 81 and continue with: 817 / 100

On to step 3:
100 goes into 817 8 times with a remainder of 17.
Write down 8 as next digit of the result. 
Result so far: 8.0
Subtract 800 from 817 to get 17.
Grab the next digit (9) from the dividend, add it to 17, then carry on: 179 / 100

Advancing to step 4:
When dividing 179 by 100, we get 1 with a remainder of 79.
Record the quotient 1 as the next digit in the result. 
Result so far: 81.0
If we subtract 100 from 179, we get 79.
Fetch the next digit (0) from the dividend, attach it to 79 and continue: 790 / 100

Advancing to step 5:
If we divide 790 by 100, we get 7 and a remainder of 90.
Write down 7 as next digit of the result. 
Result so far: 817.0
Subtract 700 from 790 to get 90.
Include the next digit (5) from the dividend after 90, then repeat: 905 / 100

Let's proceed to step 6:
If we divide 905 by 100, we get 9 and a remainder of 5.
The next digit of our result is 9. 
Result so far: 8179.0
The remainder is 5 after subtracting 900 from 905.
Take the next digit (6) from the dividend and append it to 5, then repeat: 56 / 100

Advancing to step 7:
The number 100 fits into 56 0 times, leaving a remainder of 56.
Write down 0 as next digit of the result. 
Result so far: 81790.0
If we subtract 0 from 56, we get 56.
Bring next digit (2) of the dividend behind the 56 and repeat the process: 562 / 100

Let's proceed to step 8:
If we divide 562 by 100, we get 5 and a remainder of 62.
Record the quotient 5 as the next digit in the result. 
Result so far: 817905.0
Subtracting 500 from 562 leaves us 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.

Moving on to step 9:
100 goes into 620 6 times with a remainder of 20.
Record the quotient 6 as the next digit in the result. 
Result so far: 817905.6
Subtract 600 from 620 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 10:
100 goes into 200 2 times with a remainder of 0.
The next digit of our result is 2. 
Result so far: 817905.62
If we take 200 away from 200, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 11:
100 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 817905.62
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 12:
The number 100 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 817905.62
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 817905.62 with a remainder of 0.0.