No number multiplied by itself three times gives 56. The nearest ones are 3 cubed is 27 and 4 cubed is 64.
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The cube root of -56 = -3.825862
56 2,2,2,7 perfect cubes=1,8
For a number to be a perfect square and a perfect cube, it must be a perfect sixth power. Now 36 = 729 is too small and 56 = 15625 is too large, leaving 46 = 4096 as the answer.
56
No.The cube of 3 is 27 and the cube of 4 is 64 so 44 isn't a cube number.