Constants and numbers What are these numbers? # Author: Charles Clément 4 3.14159265 ; Pi | Archimedes 1.61803 ; Golden ratio 6.022 10^23 ; Avogadro 6.674 10^-11 ; Gravitational | Newton 2.71828 ; e | Napier 299,792,458 ; Speed of light | Lightspeed 10^100 ; Googol 6 28 496 ; Perfect Number | Perfect 6371 km ; Earth radius 4 8 15 16 23 42 ; Lost 88-108 ; FM broadcast band | FM band 0 1 1 2 3 5 8 ... ; Fibonacci numbers | Fibonacci