561769 divided by 81 
We want to figure out the number of times 561769 can be divided by 81.

Step 1:
The number 81 fits into 5 0 times, leaving a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Include the next digit (6) from the dividend after 5, then repeat: 56 / 81

Moving on to step 2:
When dividing 56 by 81, we get 0 with a remainder of 56.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 56 after subtracting 0 from 56.
Grab the next digit (1) from the dividend, add it to 56, then carry on: 561 / 81

Going ahead to step 3:
When dividing 561 by 81, we get 6 with a remainder of 75.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Subtract 486 from 561 to get 75.
Fetch the next digit (7) from the dividend, attach it to 75 and continue: 757 / 81

Going ahead to step 4:
If we divide 757 by 81, we get 9 and a remainder of 28.
The next digit of our result is 9. 
Result so far: 69.0
The remainder is 28 after subtracting 729 from 757.
Grab the next digit (6) from the dividend, add it to 28, then carry on: 286 / 81

Let's proceed to step 5:
If we divide 286 by 81, we get 3 and a remainder of 43.
Put 3 as the next digit of the answer. 
Result so far: 693.0
Subtracting 243 from 286 leaves us with 43.
Take the next digit (9) from the dividend and append it to 43, then repeat: 439 / 81

Step 6:
When dividing 439 by 81, we get 5 with a remainder of 34.
Put 5 as the next digit of the answer. 
Result so far: 6935.0
The remainder is 34 after subtracting 405 from 439.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Step 7:
The number 81 fits into 340 4 times, leaving a remainder of 16.
The next digit of our result is 4. 
Result so far: 6935.4
The remainder is 16 after subtracting 324 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Going ahead to step 8:
160 divided by 81 is 1 with a remainder of 79.
Record the quotient 1 as the next digit in the result. 
Result so far: 6935.41
The remainder is 79 after subtracting 81 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Advancing to step 9:
81 goes into 790 9 times with a remainder of 61.
Put 9 as the next digit of the answer. 
Result so far: 6935.419
Subtracting 729 from 790 leaves us with 61.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Let's proceed to step 10:
When dividing 610 by 81, we get 7 with a remainder of 43.
The next digit of our result is 7. 
Result so far: 6935.4197
Deduct 567 from 610 and we're left with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Moving on to step 11:
430 divided by 81 is 5 with a remainder of 25.
Use 5 as the next digit of our solution. 
Result so far: 6935.41975
The remainder is 25 after subtracting 405 from 430.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Advancing to step 12:
81 goes into 250 3 times with a remainder of 7.
The number 3 becomes the next digit in our result. 
Result so far: 6935.419753
If we take 243 away from 250, we end up with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Let's proceed to step 13:
The number 81 fits into 70 0 times, leaving a remainder of 70.
Record the quotient 0 as the next digit in the result. 
Result so far: 6935.419753
If we subtract 0 from 70, we get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Moving on to step 14:
When dividing 700 by 81, we get 8 with a remainder of 52.
The next digit of our result is 8. 
Result so far: 6935.41975308
If we take 648 away from 700, we end up 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.

The final outcome is 6935.41975308, with a leftover of 5.2e-08.