503888 ÷ 16 
We're looking to find how many times 16 goes into 503888.

Let's proceed to step 1:
If we divide 5 by 16, we get 0 and a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Append the next digit (0) from the dividend to 5 and continue with: 50 / 16

Step 2:
When dividing 50 by 16, we get 3 with a remainder of 2.
The next digit of our result is 3. 
Result so far: 3.0
Subtract 48 from 50 to get 2.
Take the next digit (3) from the dividend and append it to 2, then repeat: 23 / 16

Step 3:
The number 16 fits into 23 1 times, leaving a remainder of 7.
Record the quotient 1 as the next digit in the result. 
Result so far: 31.0
The remainder is 7 after subtracting 16 from 23.
Include the next digit (8) from the dividend after 7, then repeat: 78 / 16

On to step 4:
78 divided by 16 is 4 with a remainder of 14.
Record the quotient 4 as the next digit in the result. 
Result so far: 314.0
If we take 64 away from 78, we end up with 14.
Grab the next digit (8) from the dividend, add it to 14, then carry on: 148 / 16

Let's proceed to step 5:
16 can be fit into 148 9 times, resulting in a remainder of 4.
Use 9 as the next digit of our solution. 
Result so far: 3149.0
The remainder is 4 after subtracting 144 from 148.
Fetch the next digit (8) from the dividend, attach it to 4 and continue: 48 / 16

Step 6:
The number 16 fits into 48 3 times, leaving a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 31493.0
The remainder is 0 after subtracting 48 from 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 7:
When dividing 0 by 16, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 31493.0
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.

Let's proceed to step 8:
0 divided by 16 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 31493.0
Subtract 0 from 0 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.

The final result is 31493.0 with a remainder of 0.0.