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The interesting fact is that the volume of the sphere is of the volume of a smallest cylinder containing this sphere.
Archimedes, the great mathematician, physicist and engineer of the Ancient Greece, was the first who discovered it about 2200 years ago.
The last of the volume of this smallest cylinder is the volume of the cone inscribed to this cylinder.
Archimedes was so proud with this discovery, that these three solid bodies were placed on his grave in memory to his discovery.
The person who read it once in his life, will never forget it.
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On Archimedes, read this Wikipedia article
https://en.wikipedia.org/wiki/Archimedes
Also, Archimedes gave an approximation of the value of , showing that it is greater than and less than .
The day of we celebrate today, March, 14 (3.14) !