cube root

Inverse of cubing

A cube root is the number that, when multiplied by itself three times, produces a given number.

The cube root of 8 is 2, because 2 × 2 × 2 = 8.

Every number has exactly one real cube root, including negative numbers: The cube root of −27 is −3.

algebra

radical sign

Symbol denoting root extraction

  • radicandNumber under root symbol
  • indexAlphabetical guide to contents
  • surdUnutterable in ratios

irrational number · real number · exponentiation · power · factor · simplify · expression · equation · polynomial · coefficient

calculation

extraction

Act of removing

bisection · convergence · estimate · precision · decimal · digit · solve · simplify · rationalize · calculator

geometry

volume

Amount of space filled

tesseract · spatial · dimension · scaling · proportion

Categories
Opposites
mathematical operation

cube rootcubing

Raising to third power

third power · cube · exponentiation · cubed

root degree

cube rootsquare root

Number times itself equals original

nth root

Family

root, cube, cubes, cubicle, cubic, cubed, cuboid, cubing, hypercube

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Used worldwide · Timeless · Abstract · Rated G