In the first 2011 positive integers, how many are neither square nor cubic

In the first 2011 positive integers, how many are neither square nor cubic

Before 2011, there are 44 squares, from 1 square to 44 square, before 2011 there are 12 cubes, from 1 cube to 12 cube, among which there are both square and cubic numbers, including 1 square = 1 cube, 8 square is 4 cube, 27 square is 9 cube, so there are 44 + 12 - cubes before 2011