We divide 863654 by 81
We're looking to find how many times 81 goes into 863654.

Step 1:
The number 81 fits into 8 0 times, leaving a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Append the next digit (6) from the dividend to 8 and continue with: 86 / 81

Let's proceed to step 2:
81 can be fit into 86 1 times, resulting in a remainder of 5.
The next digit of our result is 1. 
Result so far: 1.0
If we subtract 81 from 86, we get 5.
Append the next digit (3) from the dividend to 5 and continue with: 53 / 81

Moving on to step 3:
The number 81 fits into 53 0 times, leaving a remainder of 53.
The number 0 becomes the next digit in our result. 
Result so far: 10.0
If we subtract 0 from 53, we get 53.
Bring next digit (6) of the dividend behind the 53 and repeat the process: 536 / 81

Advancing to step 4:
When dividing 536 by 81, we get 6 with a remainder of 50.
Write down 6 as next digit of the result. 
Result so far: 106.0
Subtracting 486 from 536 leaves us with 50.
Take the next digit (5) from the dividend and append it to 50, then repeat: 505 / 81

On to step 5:
The number 81 fits into 505 6 times, leaving a remainder of 19.
The number 6 becomes the next digit in our result. 
Result so far: 1066.0
Deduct 486 from 505 and we're left with 19.
Append the next digit (4) from the dividend to 19 and continue with: 194 / 81

On to step 6:
When dividing 194 by 81, we get 2 with a remainder of 32.
The number 2 becomes the next digit in our result. 
Result so far: 10662.0
If we take 162 away from 194, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Let's proceed to step 7:
81 can be fit into 320 3 times, resulting in a remainder of 77.
Write down 3 as next digit of the result. 
Result so far: 10662.3
If we take 243 away from 320, we end up with 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

On to step 8:
The number 81 fits into 770 9 times, leaving a remainder of 41.
The number 9 becomes the next digit in our result. 
Result so far: 10662.39
If we subtract 729 from 770, we get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Advancing to step 9:
81 goes into 410 5 times with a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 10662.395
Deduct 405 from 410 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 10:
81 goes into 50 0 times with a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 10662.395
Subtracting 0 from 50 leaves us with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 11:
If we divide 500 by 81, we get 6 and a remainder of 14.
The number 6 becomes the next digit in our result. 
Result so far: 10662.39506
Deduct 486 from 500 and we're left with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 12:
81 can be fit into 140 1 times, resulting in a remainder of 59.
Record the quotient 1 as the next digit in the result. 
Result so far: 10662.395061
Subtract 81 from 140 to get 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Step 13:
When dividing 590 by 81, we get 7 with a remainder of 23.
The next digit of our result is 7. 
Result so far: 10662.3950617
Subtract 567 from 590 to get 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Let's proceed to step 14:
When dividing 230 by 81, we get 2 with a remainder of 68.
Use 2 as the next digit of our solution. 
Result so far: 10662.39506172
If we take 162 away from 230, we end up with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Our division results in 10662.39506172 with a remaining 6.8e-08.