We look at the division of 500391 by 16 
We're looking to find how many times 16 goes into 500391.

Going ahead to step 1:
If we divide 5 by 16, we get 0 and a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Fetch the next digit (0) from the dividend, attach it to 5 and continue: 50 / 16

On to step 2:
16 goes into 50 3 times with a remainder of 2.
Use 3 as the next digit of our solution. 
Result so far: 3.0
If we subtract 48 from 50, we get 2.
Append the next digit (0) from the dividend to 2 and continue with: 20 / 16

Step 3:
16 can be fit into 20 1 times, resulting in a remainder of 4.
Use 1 as the next digit of our solution. 
Result so far: 31.0
If we subtract 16 from 20, we get 4.
Grab the next digit (3) from the dividend, add it to 4, then carry on: 43 / 16

Step 4:
43 divided by 16 is 2 with a remainder of 11.
Record the quotient 2 as the next digit in the result. 
Result so far: 312.0
Subtract 32 from 43 to get 11.
Append the next digit (9) from the dividend to 11 and continue with: 119 / 16

Step 5:
If we divide 119 by 16, we get 7 and a remainder of 7.
Put 7 as the next digit of the answer. 
Result so far: 3127.0
Subtracting 112 from 119 leaves us with 7.
Take the next digit (1) from the dividend and append it to 7, then repeat: 71 / 16

Step 6:
If we divide 71 by 16, we get 4 and a remainder of 7.
Use 4 as the next digit of our solution. 
Result so far: 31274.0
Deduct 64 from 71 and we're left with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Advancing to step 7:
When dividing 70 by 16, we get 4 with a remainder of 6.
Use 4 as the next digit of our solution. 
Result so far: 31274.4
Subtract 64 from 70 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.

Advancing to step 8:
When dividing 60 by 16, we get 3 with a remainder of 12.
Put 3 as the next digit of the answer. 
Result so far: 31274.43
Deduct 48 from 60 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 9:
When dividing 120 by 16, we get 7 with a remainder of 8.
Use 7 as the next digit of our solution. 
Result so far: 31274.437
The remainder is 8 after subtracting 112 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Advancing to step 10:
The number 16 fits into 80 5 times, leaving a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 31274.4375
If we take 80 away from 80, we end up 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.

Advancing to step 11:
16 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 31274.4375
If we take 0 away from 0, we end up 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.

Step 12:
0 divided by 16 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 31274.4375
If we take 0 away from 0, we end up 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.

The final result is 31274.4375 with a remainder of 0.0.