19646408 ÷ 677 
Let's see how many times 677 fits into 19646408.

Advancing to step 1:
677 can be fit into 1 0 times, resulting in a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 677

Let's proceed to step 2:
677 can be fit into 19 0 times, resulting in a remainder of 19.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 19, we get 19.
Grab the next digit (6) from the dividend, add it to 19, then carry on: 196 / 677

Advancing to step 3:
196 divided by 677 is 0 with a remainder of 196.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 196 leaves us with 196.
Grab the next digit (4) from the dividend, add it to 196, then carry on: 1964 / 677

Moving on to step 4:
677 can be fit into 1964 2 times, resulting in a remainder of 610.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Deduct 1354 from 1964 and we're left with 610.
Include the next digit (6) from the dividend after 610, then repeat: 6106 / 677

On to step 5:
677 can be fit into 6106 9 times, resulting in a remainder of 13.
Record the quotient 9 as the next digit in the result. 
Result so far: 29.0
Subtracting 6093 from 6106 leaves us with 13.
Grab the next digit (4) from the dividend, add it to 13, then carry on: 134 / 677

On to step 6:
If we divide 134 by 677, we get 0 and a remainder of 134.
Put 0 as the next digit of the answer. 
Result so far: 290.0
Subtracting 0 from 134 leaves us with 134.
Grab the next digit (0) from the dividend, add it to 134, then carry on: 1340 / 677

On to step 7:
677 goes into 1340 1 times with a remainder of 663.
The number 1 becomes the next digit in our result. 
Result so far: 2901.0
If we take 677 away from 1340, we end up with 663.
Include the next digit (8) from the dividend after 663, then repeat: 6638 / 677

Step 8:
If we divide 6638 by 677, we get 9 and a remainder of 545.
The number 9 becomes the next digit in our result. 
Result so far: 29019.0
Subtracting 6093 from 6638 leaves us with 545.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5450, and continue the process.

Advancing to step 9:
If we divide 5450 by 677, we get 8 and a remainder of 34.
The number 8 becomes the next digit in our result. 
Result so far: 29019.8
Deduct 5416 from 5450 and we're left with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Moving on to step 10:
677 goes into 340 0 times with a remainder of 340.
Put 0 as the next digit of the answer. 
Result so far: 29019.8
The remainder is 340 after subtracting 0 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

On to step 11:
When dividing 3400 by 677, we get 5 with a remainder of 15.
Write down 5 as next digit of the result. 
Result so far: 29019.805
Subtracting 3385 from 3400 leaves us with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

On to step 12:
677 can be fit into 150 0 times, resulting in a remainder of 150.
The next digit of our result is 0. 
Result so far: 29019.805
If we take 0 away from 150, we end up with 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Let's proceed to step 13:
If we divide 1500 by 677, we get 2 and a remainder of 146.
Write down 2 as next digit of the result. 
Result so far: 29019.80502
If we take 1354 away from 1500, we end up with 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1460, and continue the process.

Going ahead to step 14:
677 can be fit into 1460 2 times, resulting in a remainder of 106.
The number 2 becomes the next digit in our result. 
Result so far: 29019.805022
Subtract 1354 from 1460 to get 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

The final outcome is 29019.805022, with a leftover of 1.06e-05.