We look at the division of 649507 by 19 
The aim is to understand the frequency of 19 in 649507.

Step 1:
When dividing 6 by 19, we get 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Take the next digit (4) from the dividend and append it to 6, then repeat: 64 / 19

On to step 2:
64 divided by 19 is 3 with a remainder of 7.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Deduct 57 from 64 and we're left with 7.
Include the next digit (9) from the dividend after 7, then repeat: 79 / 19

Let's proceed to step 3:
If we divide 79 by 19, we get 4 and a remainder of 3.
The next digit of our result is 4. 
Result so far: 34.0
If we take 76 away from 79, we end up with 3.
Include the next digit (5) from the dividend after 3, then repeat: 35 / 19

Advancing to step 4:
The number 19 fits into 35 1 times, leaving a remainder of 16.
Use 1 as the next digit of our solution. 
Result so far: 341.0
Subtracting 19 from 35 leaves us with 16.
Bring next digit (0) of the dividend behind the 16 and repeat the process: 160 / 19

Moving on to step 5:
If we divide 160 by 19, we get 8 and a remainder of 8.
The next digit of our result is 8. 
Result so far: 3418.0
The remainder is 8 after subtracting 152 from 160.
Include the next digit (7) from the dividend after 8, then repeat: 87 / 19

Moving on to step 6:
When dividing 87 by 19, we get 4 with a remainder of 11.
Use 4 as the next digit of our solution. 
Result so far: 34184.0
Subtracting 76 from 87 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Let's proceed to step 7:
19 can be fit into 110 5 times, resulting in a remainder of 15.
Write down 5 as next digit of the result. 
Result so far: 34184.5
Deduct 95 from 110 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 8:
19 goes into 150 7 times with a remainder of 17.
Record the quotient 7 as the next digit in the result. 
Result so far: 34184.57
Subtract 133 from 150 to get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Advancing to step 9:
19 goes into 170 8 times with a remainder of 18.
The next digit of our result is 8. 
Result so far: 34184.578
If we subtract 152 from 170, we get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Step 10:
180 divided by 19 is 9 with a remainder of 9.
Put 9 as the next digit of the answer. 
Result so far: 34184.5789
Subtracting 171 from 180 leaves us with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 11:
The number 19 fits into 90 4 times, leaving a remainder of 14.
Record the quotient 4 as the next digit in the result. 
Result so far: 34184.57894
If we take 76 away from 90, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 12:
If we divide 140 by 19, we get 7 and a remainder of 7.
Put 7 as the next digit of the answer. 
Result so far: 34184.578947
Subtracting 133 from 140 leaves us 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 13:
70 divided by 19 is 3 with a remainder of 13.
Use 3 as the next digit of our solution. 
Result so far: 34184.5789473
Subtracting 57 from 70 leaves us with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

On to step 14:
19 can be fit into 130 6 times, resulting in a remainder of 16.
Record the quotient 6 as the next digit in the result. 
Result so far: 34184.57894736
The remainder is 16 after subtracting 114 from 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

The final result is 34184.57894736 with a remainder of 1.6e-08.