5x5x5 gives us 125 7x7x7 gives us 343 343/125 is 2.744
1000 cubes in a thousand cube
the faces of the cubes you see on a 3x3x3 is 54 but if you take it apart there are 20 pieces/cubes and 1 core/center with 6 middle pieces/cubes attached to it. There are 8 corner pieces/cubes and 12...
28
There are 20 'cubies'. There are 12 edge pieces and 8 corner pieces.