41861823 ÷ 646 
Let's see how many times 646 fits into 41861823.

Advancing to step 1:
646 can be fit into 4 0 times, resulting in a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Take the next digit (1) from the dividend and append it to 4, then repeat: 41 / 646

Step 2:
The number 646 fits into 41 0 times, leaving a remainder of 41.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 41 leaves us with 41.
Include the next digit (8) from the dividend after 41, then repeat: 418 / 646

Going ahead to step 3:
If we divide 418 by 646, we get 0 and a remainder of 418.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 418, we get 418.
Append the next digit (6) from the dividend to 418 and continue with: 4186 / 646

Step 4:
The number 646 fits into 4186 6 times, leaving a remainder of 310.
The number 6 becomes the next digit in our result. 
Result so far: 6.0
The remainder is 310 after subtracting 3876 from 4186.
Append the next digit (1) from the dividend to 310 and continue with: 3101 / 646

Advancing to step 5:
3101 divided by 646 is 4 with a remainder of 517.
The next digit of our result is 4. 
Result so far: 64.0
If we subtract 2584 from 3101, we get 517.
Grab the next digit (8) from the dividend, add it to 517, then carry on: 5178 / 646

Advancing to step 6:
If we divide 5178 by 646, we get 8 and a remainder of 10.
Write down 8 as next digit of the result. 
Result so far: 648.0
Subtract 5168 from 5178 to get 10.
Take the next digit (2) from the dividend and append it to 10, then repeat: 102 / 646

Moving on to step 7:
The number 646 fits into 102 0 times, leaving a remainder of 102.
The number 0 becomes the next digit in our result. 
Result so far: 6480.0
Deduct 0 from 102 and we're left with 102.
Append the next digit (3) from the dividend to 102 and continue with: 1023 / 646

Going ahead to step 8:
1023 divided by 646 is 1 with a remainder of 377.
Write down 1 as next digit of the result. 
Result so far: 64801.0
If we take 646 away from 1023, we end up with 377.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3770, and continue the process.

Advancing to step 9:
646 can be fit into 3770 5 times, resulting in a remainder of 540.
Write down 5 as next digit of the result. 
Result so far: 64801.5
Subtract 3230 from 3770 to get 540.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5400, and continue the process.

Advancing to step 10:
646 goes into 5400 8 times with a remainder of 232.
Write down 8 as next digit of the result. 
Result so far: 64801.58
If we subtract 5168 from 5400, we get 232.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2320, and continue the process.

On to step 11:
If we divide 2320 by 646, we get 3 and a remainder of 382.
The number 3 becomes the next digit in our result. 
Result so far: 64801.583
Subtracting 1938 from 2320 leaves us with 382.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3820, and continue the process.

Going ahead to step 12:
When dividing 3820 by 646, we get 5 with a remainder of 590.
Write down 5 as next digit of the result. 
Result so far: 64801.5835
If we subtract 3230 from 3820, we get 590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5900, and continue the process.

Let's proceed to step 13:
646 can be fit into 5900 9 times, resulting in a remainder of 86.
Write down 9 as next digit of the result. 
Result so far: 64801.58359
Subtracting 5814 from 5900 leaves us with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

On to step 14:
The number 646 fits into 860 1 times, leaving a remainder of 214.
Write down 1 as next digit of the result. 
Result so far: 64801.583591
The remainder is 214 after subtracting 646 from 860.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2140, and continue the process.

Going ahead to step 15:
The number 646 fits into 2140 3 times, leaving a remainder of 202.
Put 3 as the next digit of the answer. 
Result so far: 64801.5835913
Deduct 1938 from 2140 and we're left with 202.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

Moving on to step 16:
The number 646 fits into 2020 3 times, leaving a remainder of 82.
Record the quotient 3 as the next digit in the result. 
Result so far: 64801.58359133
Deduct 1938 from 2020 and we're left with 82.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

The quotient of the division is 64801.58359133, and the remainder is 8.2e-08.