

Let the length of side of cubical tank is a
Given, volume of a cubical tank is 2197000
=> a*a*a = 2197000
=> a3 = 2197000
=> a = √(2197000)
=> a = √(2197 * 1000)
=> a = √(13 * 13 * 13 * 10 * 10 * 10)
=> a = 13 * 10
=> a = 130
So, the length of side of cubical tank is 130 unit.
