50939409 ÷ 810 
We're looking to find how many times 810 goes into 50939409.

Let's proceed to step 1:
810 goes into 5 0 times with a remainder of 5.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Fetch the next digit (0) from the dividend, attach it to 5 and continue: 50 / 810

On to step 2:
810 can be fit into 50 0 times, resulting in a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 50 to get 50.
Fetch the next digit (9) from the dividend, attach it to 50 and continue: 509 / 810

Let's proceed to step 3:
810 can be fit into 509 0 times, resulting in a remainder of 509.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 509, we get 509.
Include the next digit (3) from the dividend after 509, then repeat: 5093 / 810

Advancing to step 4:
If we divide 5093 by 810, we get 6 and a remainder of 233.
The next digit of our result is 6. 
Result so far: 6.0
If we subtract 4860 from 5093, we get 233.
Bring next digit (9) of the dividend behind the 233 and repeat the process: 2339 / 810

Advancing to step 5:
The number 810 fits into 2339 2 times, leaving a remainder of 719.
Record the quotient 2 as the next digit in the result. 
Result so far: 62.0
The remainder is 719 after subtracting 1620 from 2339.
Grab the next digit (4) from the dividend, add it to 719, then carry on: 7194 / 810

Moving on to step 6:
When dividing 7194 by 810, we get 8 with a remainder of 714.
Write down 8 as next digit of the result. 
Result so far: 628.0
If we take 6480 away from 7194, we end up with 714.
Append the next digit (0) from the dividend to 714 and continue with: 7140 / 810

Advancing to step 7:
If we divide 7140 by 810, we get 8 and a remainder of 660.
Record the quotient 8 as the next digit in the result. 
Result so far: 6288.0
Deduct 6480 from 7140 and we're left with 660.
Include the next digit (9) from the dividend after 660, then repeat: 6609 / 810

Going ahead to step 8:
810 can be fit into 6609 8 times, resulting in a remainder of 129.
The number 8 becomes the next digit in our result. 
Result so far: 62888.0
The remainder is 129 after subtracting 6480 from 6609.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1290, and continue the process.

On to step 9:
When dividing 1290 by 810, we get 1 with a remainder of 480.
Use 1 as the next digit of our solution. 
Result so far: 62888.1
Subtracting 810 from 1290 leaves us with 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

Let's proceed to step 10:
When dividing 4800 by 810, we get 5 with a remainder of 750.
Use 5 as the next digit of our solution. 
Result so far: 62888.15
If we subtract 4050 from 4800, we get 750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7500, and continue the process.

Step 11:
The number 810 fits into 7500 9 times, leaving a remainder of 210.
Record the quotient 9 as the next digit in the result. 
Result so far: 62888.159
Subtract 7290 from 7500 to get 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2100, and continue the process.

Let's proceed to step 12:
810 can be fit into 2100 2 times, resulting in a remainder of 480.
Write down 2 as next digit of the result. 
Result so far: 62888.1592
The remainder is 480 after subtracting 1620 from 2100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

Let's proceed to step 13:
810 goes into 4800 5 times with a remainder of 750.
Put 5 as the next digit of the answer. 
Result so far: 62888.15925
If we take 4050 away from 4800, we end up with 750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7500, and continue the process.

Going ahead to step 14:
810 can be fit into 7500 9 times, resulting in a remainder of 210.
Write down 9 as next digit of the result. 
Result so far: 62888.159259
If we subtract 7290 from 7500, we get 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2100, and continue the process.

Let's proceed to step 15:
When dividing 2100 by 810, we get 2 with a remainder of 480.
Write down 2 as next digit of the result. 
Result so far: 62888.1592592
If we subtract 1620 from 2100, we get 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

Advancing to step 16:
810 goes into 4800 5 times with a remainder of 750.
Use 5 as the next digit of our solution. 
Result so far: 62888.15925925
If we take 4050 away from 4800, we end up with 750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7500, and continue the process.

The final outcome is 62888.15925925, with a leftover of 7.5e-07.