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  • is any real number.


  • This function shows the Fourth root of a given number.
  • The fourth root of a number is the number that would have to be multiplied by itself 4 times to get the original number.
  • For example, the fourth root of 81 is 3 as 3 x 3 x 3 x 3 is 81.
  • Generally Second root is called Square root and Third root is called Cube root.
  • These roots are easy to calculate by hand but even for perfect fourth root numbers, fourth root can be difficult to calculate by hand.
  • So we can use this function to calculate the fourth root of the number with in a second.


  1. FOURTHROOT(16) = 2
  2. FOURTHROOT(234256) =22
  3. FOURTHROOT(7612) = 9.340598291584374
  4. FOURTHROOT(-625) = 0-ⅈ5
  5. √√64 = 2.8284271247461903

Related Videos

Fourth Root

See Also