what is the smallest positive integer x , such that 2160 x is a perfect cube ?
"take out the factors of 2160 that will come 6 ^ 3 * 10 . for perfect cube you need every no . raise to the power 3 . for 2160 to be a perfect cube , you need two 2 and two 5 that means 100 a is the answer ."
add(const_3, const_4)