39412719 divided by 319 
The aim is to understand the frequency of 319 in 39412719.

Let's proceed to step 1:
When dividing 3 by 319, we get 0 with a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Bring next digit (9) of the dividend behind the 3 and repeat the process: 39 / 319

Moving on to step 2:
When dividing 39 by 319, we get 0 with a remainder of 39.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 39 after subtracting 0 from 39.
Take the next digit (4) from the dividend and append it to 39, then repeat: 394 / 319

Moving on to step 3:
319 goes into 394 1 times with a remainder of 75.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 319 from 394 to get 75.
Append the next digit (1) from the dividend to 75 and continue with: 751 / 319

Moving on to step 4:
The number 319 fits into 751 2 times, leaving a remainder of 113.
The next digit of our result is 2. 
Result so far: 12.0
Subtracting 638 from 751 leaves us with 113.
Fetch the next digit (2) from the dividend, attach it to 113 and continue: 1132 / 319

Let's proceed to step 5:
319 goes into 1132 3 times with a remainder of 175.
The next digit of our result is 3. 
Result so far: 123.0
Deduct 957 from 1132 and we're left with 175.
Append the next digit (7) from the dividend to 175 and continue with: 1757 / 319

Step 6:
319 can be fit into 1757 5 times, resulting in a remainder of 162.
Record the quotient 5 as the next digit in the result. 
Result so far: 1235.0
If we take 1595 away from 1757, we end up with 162.
Grab the next digit (1) from the dividend, add it to 162, then carry on: 1621 / 319

On to step 7:
The number 319 fits into 1621 5 times, leaving a remainder of 26.
The number 5 becomes the next digit in our result. 
Result so far: 12355.0
The remainder is 26 after subtracting 1595 from 1621.
Bring next digit (9) of the dividend behind the 26 and repeat the process: 269 / 319

Going ahead to step 8:
The number 319 fits into 269 0 times, leaving a remainder of 269.
The number 0 becomes the next digit in our result. 
Result so far: 123550.0
If we subtract 0 from 269, we get 269.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2690, and continue the process.

Moving on to step 9:
2690 divided by 319 is 8 with a remainder of 138.
Record the quotient 8 as the next digit in the result. 
Result so far: 123550.8
Subtracting 2552 from 2690 leaves us with 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

Let's proceed to step 10:
319 goes into 1380 4 times with a remainder of 104.
The next digit of our result is 4. 
Result so far: 123550.84
Subtract 1276 from 1380 to get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Moving on to step 11:
319 can be fit into 1040 3 times, resulting in a remainder of 83.
Write down 3 as next digit of the result. 
Result so far: 123550.843
The remainder is 83 after subtracting 957 from 1040.
Since there are no more digits in the dividend, we add a zero to the remainder making it 830, and continue the process.

Moving on to step 12:
830 divided by 319 is 2 with a remainder of 192.
The number 2 becomes the next digit in our result. 
Result so far: 123550.8432
Subtract 638 from 830 to get 192.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

On to step 13:
319 can be fit into 1920 6 times, resulting in a remainder of 6.
Put 6 as the next digit of the answer. 
Result so far: 123550.84326
If we subtract 1914 from 1920, we 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.

On to step 14:
319 goes into 60 0 times with a remainder of 60.
The next digit of our result is 0. 
Result so far: 123550.84326
If we subtract 0 from 60, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 15:
600 divided by 319 is 1 with a remainder of 281.
Write down 1 as next digit of the result. 
Result so far: 123550.8432601
Subtract 319 from 600 to get 281.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2810, and continue the process.

Advancing to step 16:
If we divide 2810 by 319, we get 8 and a remainder of 258.
Put 8 as the next digit of the answer. 
Result so far: 123550.84326018
Deduct 2552 from 2810 and we're left with 258.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2580, and continue the process.

After the division, we end up with 123550.84326018 and a remainder of 2.58e-07.