A092039 Decimal expansion of cube root of Pi.

1, 4, 6, 4, 5, 9, 1, 8, 8, 7, 5, 6, 1, 5, 2, 3, 2, 6, 3, 0, 2, 0, 1, 4, 2, 5, 2, 7, 2, 6, 3, 7, 9, 0, 3, 9, 1, 7, 3, 8, 5, 9, 6, 8, 5, 5, 6, 2, 7, 9, 3, 7, 1, 7, 4, 3, 5, 7, 2, 5, 5, 9, 3, 7, 1, 3, 8, 3, 9, 3, 6, 4, 9, 7, 9, 8, 2, 8, 6, 2, 6, 6, 1, 4, 5, 6, 8, 2, 0, 6, 7, 8, 2, 0, 3, 5, 3, 8, 2, 0

Offset: 1

Author

Mohammad K. Azarian, Mar 27 2004

Keywords

• nonn
• cons

Comments

This is the diameter of a sphere with volume = (Pi^2)/6 = zeta(2) = A013661. - Eric Desbiaux, Jan 21 2009

Edge of a cube with volume Pi. - Omar E. Pol, Aug 09 2012

Examples

			1.4645918875615232630...
		

Links

• G. C. Greubel, Table of n, a(n) for n = 1..5000
• Index entries for transcendental numbers

Crossrefs

Cf. A000796 (Pi), A091925 (Pi^3), A093204 (Pi^(-1/3)), A002161 (sqrt(Pi)), A197111 (cont.frac.).

Programs

Maple

evalf(root[3](Pi)) ;

Mathematica

RealDigits[N[Pi^(1/3),200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 27 2012 *)

PARI

sqrtn(Pi,3) \\ Charles R Greathouse IV, Apr 14 2014

Formula

1/A093204. - M. F. Hasler, Oct 07 2014