Fractional part of 89^(1/3) = 1/3 + 1/8 + 1/156 + ... Generated with Perl's Math::BigFloat module. Number of digits in terms is as follows: 1, 1, 3, 6, 13, 25, 50, 101, 202, 403, ...
EXAMPLE
Cube root of 89 = 4.4647450955845376334339684810742694950679792474217...