Fractional part of 19^(1/3) = 1/2 + 1/6 + 1/577 + ... Generated with Perl's Math::BigFloat module. Number of digits in terms is as follows: 1, 1, 3, 6, 13, 25, 50, 100, 200, 399, ...
EXAMPLE
Cube root of 19 = 2.6684016487219448673396273719708303350958785691831...