31406493 ÷ 609 
The aim is to understand the frequency of 609 in 31406493.

Step 1:
3 divided by 609 is 0 with a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Grab the next digit (1) from the dividend, add it to 3, then carry on: 31 / 609

Moving on to step 2:
31 divided by 609 is 0 with a remainder of 31.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 31, we get 31.
Take the next digit (4) from the dividend and append it to 31, then repeat: 314 / 609

Step 3:
When dividing 314 by 609, we get 0 with a remainder of 314.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 314 leaves us with 314.
Append the next digit (0) from the dividend to 314 and continue with: 3140 / 609

Let's proceed to step 4:
609 goes into 3140 5 times with a remainder of 95.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
Subtract 3045 from 3140 to get 95.
Include the next digit (6) from the dividend after 95, then repeat: 956 / 609

On to step 5:
956 divided by 609 is 1 with a remainder of 347.
The next digit of our result is 1. 
Result so far: 51.0
If we subtract 609 from 956, we get 347.
Append the next digit (4) from the dividend to 347 and continue with: 3474 / 609

Let's proceed to step 6:
3474 divided by 609 is 5 with a remainder of 429.
The next digit of our result is 5. 
Result so far: 515.0
Subtracting 3045 from 3474 leaves us with 429.
Fetch the next digit (9) from the dividend, attach it to 429 and continue: 4299 / 609

On to step 7:
If we divide 4299 by 609, we get 7 and a remainder of 36.
Use 7 as the next digit of our solution. 
Result so far: 5157.0
The remainder is 36 after subtracting 4263 from 4299.
Append the next digit (3) from the dividend to 36 and continue with: 363 / 609

Going ahead to step 8:
609 can be fit into 363 0 times, resulting in a remainder of 363.
Put 0 as the next digit of the answer. 
Result so far: 51570.0
If we subtract 0 from 363, we get 363.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3630, and continue the process.

Moving on to step 9:
If we divide 3630 by 609, we get 5 and a remainder of 585.
Put 5 as the next digit of the answer. 
Result so far: 51570.5
If we take 3045 away from 3630, we end up with 585.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5850, and continue the process.

Step 10:
609 can be fit into 5850 9 times, resulting in a remainder of 369.
Put 9 as the next digit of the answer. 
Result so far: 51570.59
If we take 5481 away from 5850, we end up with 369.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3690, and continue the process.

On to step 11:
When dividing 3690 by 609, we get 6 with a remainder of 36.
Write down 6 as next digit of the result. 
Result so far: 51570.596
Deduct 3654 from 3690 and we're left with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Moving on to step 12:
609 can be fit into 360 0 times, resulting in a remainder of 360.
Put 0 as the next digit of the answer. 
Result so far: 51570.596
The remainder is 360 after subtracting 0 from 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Advancing to step 13:
If we divide 3600 by 609, we get 5 and a remainder of 555.
Record the quotient 5 as the next digit in the result. 
Result so far: 51570.59605
The remainder is 555 after subtracting 3045 from 3600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5550, and continue the process.

Let's proceed to step 14:
If we divide 5550 by 609, we get 9 and a remainder of 69.
Record the quotient 9 as the next digit in the result. 
Result so far: 51570.596059
The remainder is 69 after subtracting 5481 from 5550.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Step 15:
If we divide 690 by 609, we get 1 and a remainder of 81.
Write down 1 as next digit of the result. 
Result so far: 51570.5960591
If we take 609 away from 690, we end up with 81.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

Advancing to step 16:
810 divided by 609 is 1 with a remainder of 201.
The next digit of our result is 1. 
Result so far: 51570.59605911
If we subtract 609 from 810, we get 201.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2010, and continue the process.

After the division, we end up with 51570.59605911 and a remainder of 2.01e-07.