69
The number is -81.
The number 9 times another number makes 81.
81 = 3 x 27
It is a square number because 9 times 9 equals 81
nine is goes in to the number 81
81 8+1=9 9*9=81
The number that multiplied by 32 would equal 81 is 2.53125.
2 x 40.5 = 81
The number is three.
81
81 is 72 more than 9 81 is 9 times 9
3 times 3 times 3 times 3