By what least number must 21600 be multiplied to make it

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By what least number must 21600 be multiplied to make it a perfect cube ?

1. 6
2. 10
3. 30
4. 60

Correct Option: B

21600 = 6 x 6 x 6 x 10 x 10
To, make the given number a perfect cube, it must be multiplied by 10.