Let's divide 81619410 by 412
We're looking to find how many times 412 goes into 81619410.

Advancing to step 1:
When dividing 8 by 412, we get 0 with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 412

Let's proceed to step 2:
412 goes into 81 0 times with a remainder of 81.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Fetch the next digit (6) from the dividend, attach it to 81 and continue: 816 / 412

On to step 3:
816 divided by 412 is 1 with a remainder of 404.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 412 from 816, we get 404.
Grab the next digit (1) from the dividend, add it to 404, then carry on: 4041 / 412

Let's proceed to step 4:
412 can be fit into 4041 9 times, resulting in a remainder of 333.
The next digit of our result is 9. 
Result so far: 19.0
The remainder is 333 after subtracting 3708 from 4041.
Fetch the next digit (9) from the dividend, attach it to 333 and continue: 3339 / 412

Going ahead to step 5:
If we divide 3339 by 412, we get 8 and a remainder of 43.
The next digit of our result is 8. 
Result so far: 198.0
If we take 3296 away from 3339, we end up with 43.
Include the next digit (4) from the dividend after 43, then repeat: 434 / 412

On to step 6:
434 divided by 412 is 1 with a remainder of 22.
Use 1 as the next digit of our solution. 
Result so far: 1981.0
The remainder is 22 after subtracting 412 from 434.
Grab the next digit (1) from the dividend, add it to 22, then carry on: 221 / 412

Advancing to step 7:
221 divided by 412 is 0 with a remainder of 221.
Record the quotient 0 as the next digit in the result. 
Result so far: 19810.0
If we subtract 0 from 221, we get 221.
Fetch the next digit (0) from the dividend, attach it to 221 and continue: 2210 / 412

Advancing to step 8:
The number 412 fits into 2210 5 times, leaving a remainder of 150.
Put 5 as the next digit of the answer. 
Result so far: 198105.0
If we subtract 2060 from 2210, we get 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Step 9:
1500 divided by 412 is 3 with a remainder of 264.
The number 3 becomes the next digit in our result. 
Result so far: 198105.3
If we subtract 1236 from 1500, we get 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

Going ahead to step 10:
412 goes into 2640 6 times with a remainder of 168.
Write down 6 as next digit of the result. 
Result so far: 198105.36
If we take 2472 away from 2640, we end up with 168.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

On to step 11:
1680 divided by 412 is 4 with a remainder of 32.
Write down 4 as next digit of the result. 
Result so far: 198105.364
If we subtract 1648 from 1680, we get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

On to step 12:
When dividing 320 by 412, we get 0 with a remainder of 320.
Put 0 as the next digit of the answer. 
Result so far: 198105.364
Subtracting 0 from 320 leaves us with 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

On to step 13:
412 goes into 3200 7 times with a remainder of 316.
Use 7 as the next digit of our solution. 
Result so far: 198105.36407
The remainder is 316 after subtracting 2884 from 3200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3160, and continue the process.

Advancing to step 14:
412 can be fit into 3160 7 times, resulting in a remainder of 276.
Write down 7 as next digit of the result. 
Result so far: 198105.364077
If we take 2884 away from 3160, we end up with 276.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2760, and continue the process.

The final outcome is 198105.364077, with a leftover of 2.76e-05.