71828081 divided by 643 
Let's see how many times 643 fits into 71828081.

Moving on to step 1:
The number 643 fits into 7 0 times, leaving a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Append the next digit (1) from the dividend to 7 and continue with: 71 / 643

On to step 2:
If we divide 71 by 643, we get 0 and a remainder of 71.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 71 to get 71.
Fetch the next digit (8) from the dividend, attach it to 71 and continue: 718 / 643

Let's proceed to step 3:
643 goes into 718 1 times with a remainder of 75.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 75 after subtracting 643 from 718.
Bring next digit (2) of the dividend behind the 75 and repeat the process: 752 / 643

Step 4:
643 can be fit into 752 1 times, resulting in a remainder of 109.
The next digit of our result is 1. 
Result so far: 11.0
Subtract 643 from 752 to get 109.
Append the next digit (8) from the dividend to 109 and continue with: 1098 / 643

On to step 5:
If we divide 1098 by 643, we get 1 and a remainder of 455.
The next digit of our result is 1. 
Result so far: 111.0
Deduct 643 from 1098 and we're left with 455.
Bring next digit (0) of the dividend behind the 455 and repeat the process: 4550 / 643

Going ahead to step 6:
If we divide 4550 by 643, we get 7 and a remainder of 49.
Record the quotient 7 as the next digit in the result. 
Result so far: 1117.0
If we subtract 4501 from 4550, we get 49.
Bring next digit (8) of the dividend behind the 49 and repeat the process: 498 / 643

Going ahead to step 7:
498 divided by 643 is 0 with a remainder of 498.
Write down 0 as next digit of the result. 
Result so far: 11170.0
Deduct 0 from 498 and we're left with 498.
Take the next digit (1) from the dividend and append it to 498, then repeat: 4981 / 643

Moving on to step 8:
If we divide 4981 by 643, we get 7 and a remainder of 480.
Put 7 as the next digit of the answer. 
Result so far: 111707.0
The remainder is 480 after subtracting 4501 from 4981.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

On to step 9:
643 goes into 4800 7 times with a remainder of 299.
Write down 7 as next digit of the result. 
Result so far: 111707.7
Subtract 4501 from 4800 to get 299.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2990, and continue the process.

Step 10:
The number 643 fits into 2990 4 times, leaving a remainder of 418.
Write down 4 as next digit of the result. 
Result so far: 111707.74
The remainder is 418 after subtracting 2572 from 2990.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4180, and continue the process.

Going ahead to step 11:
643 can be fit into 4180 6 times, resulting in a remainder of 322.
The number 6 becomes the next digit in our result. 
Result so far: 111707.746
Subtract 3858 from 4180 to get 322.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3220, and continue the process.

Going ahead to step 12:
3220 divided by 643 is 5 with a remainder of 5.
The next digit of our result is 5. 
Result so far: 111707.7465
Subtracting 3215 from 3220 leaves us 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.

Step 13:
643 can be fit into 50 0 times, resulting in a remainder of 50.
Use 0 as the next digit of our solution. 
Result so far: 111707.7465
Subtract 0 from 50 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 14:
When dividing 500 by 643, we get 0 with a remainder of 500.
Write down 0 as next digit of the result. 
Result so far: 111707.7465
Subtract 0 from 500 to get 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5000, and continue the process.

The final outcome is 111707.7465, with a leftover of 5e-05.