405407 divided by 19 
Let's see how many times 19 fits into 405407.

Advancing to step 1:
When dividing 4 by 19, we get 0 with a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 19

Let's proceed to step 2:
When dividing 40 by 19, we get 2 with a remainder of 2.
Write down 2 as next digit of the result. 
Result so far: 2.0
If we take 38 away from 40, we end up with 2.
Include the next digit (5) from the dividend after 2, then repeat: 25 / 19

On to step 3:
If we divide 25 by 19, we get 1 and a remainder of 6.
Put 1 as the next digit of the answer. 
Result so far: 21.0
The remainder is 6 after subtracting 19 from 25.
Include the next digit (4) from the dividend after 6, then repeat: 64 / 19

Step 4:
When dividing 64 by 19, we get 3 with a remainder of 7.
The number 3 becomes the next digit in our result. 
Result so far: 213.0
Subtract 57 from 64 to get 7.
Include the next digit (0) from the dividend after 7, then repeat: 70 / 19

On to step 5:
When dividing 70 by 19, we get 3 with a remainder of 13.
The next digit of our result is 3. 
Result so far: 2133.0
The remainder is 13 after subtracting 57 from 70.
Append the next digit (7) from the dividend to 13 and continue with: 137 / 19

On to step 6:
If we divide 137 by 19, we get 7 and a remainder of 4.
Use 7 as the next digit of our solution. 
Result so far: 21337.0
Subtract 133 from 137 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 7:
40 divided by 19 is 2 with a remainder of 2.
Put 2 as the next digit of the answer. 
Result so far: 21337.2
If we subtract 38 from 40, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 8:
When dividing 20 by 19, we get 1 with a remainder of 1.
The number 1 becomes the next digit in our result. 
Result so far: 21337.21
Subtract 19 from 20 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

On to step 9:
The number 19 fits into 10 0 times, leaving a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 21337.21
Deduct 0 from 10 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 10:
19 can be fit into 100 5 times, resulting in a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 21337.2105
If we take 95 away from 100, we end up 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.

Going ahead to step 11:
The number 19 fits into 50 2 times, leaving a remainder of 12.
The next digit of our result is 2. 
Result so far: 21337.21052
The remainder is 12 after subtracting 38 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 12:
19 goes into 120 6 times with a remainder of 6.
The number 6 becomes the next digit in our result. 
Result so far: 21337.210526
Subtract 114 from 120 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 13:
When dividing 60 by 19, we get 3 with a remainder of 3.
Use 3 as the next digit of our solution. 
Result so far: 21337.2105263
Subtracting 57 from 60 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

On to step 14:
If we divide 30 by 19, we get 1 and a remainder of 11.
The number 1 becomes the next digit in our result. 
Result so far: 21337.21052631
Subtracting 19 from 30 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Our division results in 21337.21052631 with a remaining 1.1e-08.