A072097 - OEIS

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

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

REFERENCES

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

EXAMPLE

57.2957795130823208767981548...

CROSSREFS

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