`n_root, n_rootrem`

Synopsis#include <flint/ulong_extras.h>

ulong n_root(ulong n, ulong root)source

ulong n_rootrem(ulong * remainder, ulong n, ulong root)source

Returns $r = \lfloor n^{1/k} \rfloor$ for $k = \mathit{root}$ , or 0 if $n$ or $k$ is 0. n_rootrem also sets the remainder $n - r^k$ .

Cite this page

The FLINT team, “n_root, n_rootrem (ulong_extras.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/ulong_extras/n_root.html (generated 2026-11-02).

@misc{flint-doc-ulong-extras-n-root,
  author       = {{The FLINT team}},
  title        = {{n\_root, n\_rootrem (ulong\_extras.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/ulong_extras/n_root.html},
  note         = {Generated 2026-11-02}
}

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