43898291 divided by 28 
We want to figure out the number of times 43898291 can be divided by 28.

Moving on to step 1:
The number 28 fits into 4 0 times, leaving a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Fetch the next digit (3) from the dividend, attach it to 4 and continue: 43 / 28

Advancing to step 2:
43 divided by 28 is 1 with a remainder of 15.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 28 from 43 and we're left with 15.
Take the next digit (8) from the dividend and append it to 15, then repeat: 158 / 28

Going ahead to step 3:
The number 28 fits into 158 5 times, leaving a remainder of 18.
Use 5 as the next digit of our solution. 
Result so far: 15.0
If we subtract 140 from 158, we get 18.
Fetch the next digit (9) from the dividend, attach it to 18 and continue: 189 / 28

Let's proceed to step 4:
28 goes into 189 6 times with a remainder of 21.
The next digit of our result is 6. 
Result so far: 156.0
Subtract 168 from 189 to get 21.
Fetch the next digit (8) from the dividend, attach it to 21 and continue: 218 / 28

Step 5:
If we divide 218 by 28, we get 7 and a remainder of 22.
The number 7 becomes the next digit in our result. 
Result so far: 1567.0
Deduct 196 from 218 and we're left with 22.
Append the next digit (2) from the dividend to 22 and continue with: 222 / 28

On to step 6:
28 can be fit into 222 7 times, resulting in a remainder of 26.
Record the quotient 7 as the next digit in the result. 
Result so far: 15677.0
Subtract 196 from 222 to get 26.
Take the next digit (9) from the dividend and append it to 26, then repeat: 269 / 28

Advancing to step 7:
When dividing 269 by 28, we get 9 with a remainder of 17.
Write down 9 as next digit of the result. 
Result so far: 156779.0
Subtracting 252 from 269 leaves us with 17.
Include the next digit (1) from the dividend after 17, then repeat: 171 / 28

On to step 8:
If we divide 171 by 28, we get 6 and a remainder of 3.
Record the quotient 6 as the next digit in the result. 
Result so far: 1567796.0
If we take 168 away from 171, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Going ahead to step 9:
28 goes into 30 1 times with a remainder of 2.
The next digit of our result is 1. 
Result so far: 1567796.1
Subtracting 28 from 30 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Going ahead to step 10:
When dividing 20 by 28, we get 0 with a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 1567796.1
If we subtract 0 from 20, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 11:
28 goes into 200 7 times with a remainder of 4.
The number 7 becomes the next digit in our result. 
Result so far: 1567796.107
If we subtract 196 from 200, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 12:
The number 28 fits into 40 1 times, leaving a remainder of 12.
Put 1 as the next digit of the answer. 
Result so far: 1567796.1071
If we take 28 away from 40, we end up 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.

Step 13:
If we divide 120 by 28, we get 4 and a remainder of 8.
Write down 4 as next digit of the result. 
Result so far: 1567796.10714
Subtracting 112 from 120 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 14:
When dividing 80 by 28, we get 2 with a remainder of 24.
Record the quotient 2 as the next digit in the result. 
Result so far: 1567796.107142
If we subtract 56 from 80, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Going ahead to step 15:
If we divide 240 by 28, we get 8 and a remainder of 16.
Record the quotient 8 as the next digit in the result. 
Result so far: 1567796.1071428
If we subtract 224 from 240, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 16:
If we divide 160 by 28, we get 5 and a remainder of 20.
Record the quotient 5 as the next digit in the result. 
Result so far: 1567796.10714285
The remainder is 20 after subtracting 140 from 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The final result is 1567796.10714285 with a remainder of 2e-08.