What is 4 to the power of 15 ?

Solution: 4¹⁵ = 1,073,741,824

simplify this: All that is needed is to multiply it out:

4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 = 1,073,741,824