Problem of the Week
How Many Integers....-------2/19/07-------
How many integers from 1 to 1,000,000,000,000,000,000,000,000,000,000 inclusive are not perfect squares, perfect cubes, or perfect fifth powers?
(500 Mathematical Challenges)
How many integers from 1 to 1,000,000,000,000,000,000,000,000,000,000 inclusive are not perfect squares, perfect cubes, or perfect fifth powers?