It is: 4 times 81/9 = 36
81 is 3 to the power 4.
If you mean 81 then as a product of its prime factors 3*3*3*3 = 81 or in exponents 3^4 = 81
81 x 24 = 1944
81 multiplied by 38 is 3,078.
81 3x3x3x3=81
81 multiplied by 324 is 26,244.
569 multiplied by 81 is 46,089.
81 multiplied by 18 is 1,458.
81 8x9 is 72
71 multiplied by 81 is 5,751.
81