228 = 268,435,456
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2^28 = 268,435,456
If you have a negative number to an even power, you can ignore the neagtive sign. So you are left with 28 which is 256
256 = 28
256 = 28
The mathematical answer for 2 to the 28th power is 268,435,456. This is calculated by multiplying 2 by itself 28 times. In mathematical notation, it is written as 2^28. This number is significant in computer science as it represents the total number of different values that can be represented with 28 bits.