DOUBLE cbrt(DOUBLE x) Returns the cube root of x.
mysql> select cbrt(8); +-----------+ | cbrt(8.0) | +-----------+ | 2 | +-----------+ mysql> select cbrt(2.0); +--------------------+ | cbrt(2.0) | +--------------------+ | 1.2599210498948734 | +--------------------+ mysql> select cbrt(-1000.0); +---------------+ | cbrt(-1000.0) | +---------------+ | -10 | +---------------+
CBRT