19783687 ÷ 407 
We're looking to find how many times 407 goes into 19783687.

Step 1:
407 can be fit into 1 0 times, resulting in a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Fetch the next digit (9) from the dividend, attach it to 1 and continue: 19 / 407

On to step 2:
407 can be fit into 19 0 times, resulting in a remainder of 19.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 19 leaves us with 19.
Append the next digit (7) from the dividend to 19 and continue with: 197 / 407

Step 3:
If we divide 197 by 407, we get 0 and a remainder of 197.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 197, we end up with 197.
Append the next digit (8) from the dividend to 197 and continue with: 1978 / 407

Going ahead to step 4:
1978 divided by 407 is 4 with a remainder of 350.
Use 4 as the next digit of our solution. 
Result so far: 4.0
The remainder is 350 after subtracting 1628 from 1978.
Take the next digit (3) from the dividend and append it to 350, then repeat: 3503 / 407

Advancing to step 5:
3503 divided by 407 is 8 with a remainder of 247.
Use 8 as the next digit of our solution. 
Result so far: 48.0
The remainder is 247 after subtracting 3256 from 3503.
Take the next digit (6) from the dividend and append it to 247, then repeat: 2476 / 407

Let's proceed to step 6:
The number 407 fits into 2476 6 times, leaving a remainder of 34.
Write down 6 as next digit of the result. 
Result so far: 486.0
The remainder is 34 after subtracting 2442 from 2476.
Include the next digit (8) from the dividend after 34, then repeat: 348 / 407

Advancing to step 7:
The number 407 fits into 348 0 times, leaving a remainder of 348.
The number 0 becomes the next digit in our result. 
Result so far: 4860.0
The remainder is 348 after subtracting 0 from 348.
Take the next digit (7) from the dividend and append it to 348, then repeat: 3487 / 407

On to step 8:
The number 407 fits into 3487 8 times, leaving a remainder of 231.
Put 8 as the next digit of the answer. 
Result so far: 48608.0
The remainder is 231 after subtracting 3256 from 3487.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

Going ahead to step 9:
407 can be fit into 2310 5 times, resulting in a remainder of 275.
The number 5 becomes the next digit in our result. 
Result so far: 48608.5
Subtracting 2035 from 2310 leaves us with 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Going ahead to step 10:
407 goes into 2750 6 times with a remainder of 308.
The next digit of our result is 6. 
Result so far: 48608.56
Subtract 2442 from 2750 to get 308.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

Step 11:
If we divide 3080 by 407, we get 7 and a remainder of 231.
Record the quotient 7 as the next digit in the result. 
Result so far: 48608.567
Subtracting 2849 from 3080 leaves us with 231.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

Advancing to step 12:
If we divide 2310 by 407, we get 5 and a remainder of 275.
Write down 5 as next digit of the result. 
Result so far: 48608.5675
If we subtract 2035 from 2310, we get 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Let's proceed to step 13:
The number 407 fits into 2750 6 times, leaving a remainder of 308.
Put 6 as the next digit of the answer. 
Result so far: 48608.56756
If we subtract 2442 from 2750, we get 308.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

On to step 14:
When dividing 3080 by 407, we get 7 with a remainder of 231.
Put 7 as the next digit of the answer. 
Result so far: 48608.567567
If we take 2849 away from 3080, we end up with 231.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

Advancing to step 15:
2310 divided by 407 is 5 with a remainder of 275.
The next digit of our result is 5. 
Result so far: 48608.5675675
Deduct 2035 from 2310 and we're left with 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Let's proceed to step 16:
If we divide 2750 by 407, we get 6 and a remainder of 308.
Use 6 as the next digit of our solution. 
Result so far: 48608.56756756
Subtracting 2442 from 2750 leaves us with 308.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

The final result is 48608.56756756 with a remainder of 3.08e-07.