No, a cube is not aerodynamic. A cube has a flat face, so it will produce more drag. It will also take more energy to push forward because the flat face of the cube is trying to push the wind as you are pushing the 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...