19390521 ÷ 48 
We're looking to find how many times 48 goes into 19390521.

Let's proceed to step 1:
When dividing 1 by 48, we get 0 with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Grab the next digit (9) from the dividend, add it to 1, then carry on: 19 / 48

Let's proceed to step 2:
If we divide 19 by 48, we get 0 and a remainder of 19.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 19 and we're left with 19.
Append the next digit (3) from the dividend to 19 and continue with: 193 / 48

Let's proceed to step 3:
48 goes into 193 4 times with a remainder of 1.
Write down 4 as next digit of the result. 
Result so far: 4.0
If we subtract 192 from 193, we get 1.
Append the next digit (9) from the dividend to 1 and continue with: 19 / 48

On to step 4:
If we divide 19 by 48, we get 0 and a remainder of 19.
Record the quotient 0 as the next digit in the result. 
Result so far: 40.0
The remainder is 19 after subtracting 0 from 19.
Grab the next digit (0) from the dividend, add it to 19, then carry on: 190 / 48

Moving on to step 5:
190 divided by 48 is 3 with a remainder of 46.
The number 3 becomes the next digit in our result. 
Result so far: 403.0
If we take 144 away from 190, we end up with 46.
Include the next digit (5) from the dividend after 46, then repeat: 465 / 48

Going ahead to step 6:
465 divided by 48 is 9 with a remainder of 33.
Put 9 as the next digit of the answer. 
Result so far: 4039.0
If we subtract 432 from 465, we get 33.
Grab the next digit (2) from the dividend, add it to 33, then carry on: 332 / 48

Going ahead to step 7:
48 can be fit into 332 6 times, resulting in a remainder of 44.
Put 6 as the next digit of the answer. 
Result so far: 40396.0
Subtracting 288 from 332 leaves us with 44.
Append the next digit (1) from the dividend to 44 and continue with: 441 / 48

Step 8:
48 goes into 441 9 times with a remainder of 9.
Use 9 as the next digit of our solution. 
Result so far: 403969.0
The remainder is 9 after subtracting 432 from 441.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Moving on to step 9:
48 goes into 90 1 times with a remainder of 42.
The number 1 becomes the next digit in our result. 
Result so far: 403969.1
Subtract 48 from 90 to get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Going ahead to step 10:
When dividing 420 by 48, we get 8 with a remainder of 36.
Put 8 as the next digit of the answer. 
Result so far: 403969.18
If we take 384 away from 420, we end up with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 11:
48 can be fit into 360 7 times, resulting in a remainder of 24.
The next digit of our result is 7. 
Result so far: 403969.187
Subtracting 336 from 360 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Advancing to step 12:
When dividing 240 by 48, we get 5 with a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 403969.1875
Subtract 240 from 240 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 13:
48 can be fit into 0 0 times, resulting in a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 403969.1875
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 14:
48 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 403969.1875
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 403969.1875 with a remaining 0.0.