We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
119
1
avatar

How many positive integers less than 555 are either a perfect cube or a perfect square?

 Jan 3, 2019

Best Answer 

 #1
avatar
+1

Take the square root of 555:

Sqrt(555) = 23 - perfect squares under 555

Cube root(555) = 555^1/3 =8 - perfect cubes under 555.

Note: 1 and 64 are shared as both perfect squares and perfect cubes.

 Jan 3, 2019
 #1
avatar
+1
Best Answer

Take the square root of 555:

Sqrt(555) = 23 - perfect squares under 555

Cube root(555) = 555^1/3 =8 - perfect cubes under 555.

Note: 1 and 64 are shared as both perfect squares and perfect cubes.

Guest Jan 3, 2019

12 Online Users

avatar
avatar
avatar