A072097 Decimal expansion of 180/Pi.

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

Offset: 2

Author

Rick L. Shepherd, Jun 15 2002

Keywords

• cons
• nonn

Comments

1 radian = 180/Pi degrees (57 degrees 17' 44.806247096355156..."). For the reciprocal conversion factor, see A019685.

With offset 1, decimal expansion of 18/Pi, the radius of a sphere (or ball) whose volume equals the surface area of the circumscribed cube. - Omar E. Pol, Dec 25 2013

Examples

			57.2957795130823208767981548...
		

References

• David Wells, The Penguin Dictionary of Curious and Interesting Numbers. Penguin Books, NY, 1986, Revised edition 1987. See p. 127.

Links

• Index entries for transcendental numbers.

Crossrefs

Related conversion factors: A019685 (1 degree = Pi/180 radians), A217572 (radians to arcseconds), A337493 (radians to arcminutes).

Programs

Mathematica

RealDigits[N[180/Pi,6! ]] (* Vladimir Joseph Stephan Orlovsky, Dec 02 2009 *)

PARI

180/Pi \\ Michel Marcus, Jan 14 2015