In 2011, Laughlin calculated a value for planet Earth at $5 quadrillion dollars to show a message of how precious the planet earth is and to not destroy it.[5]
https://en.wikipedia.org/wiki/Gregory_P._Laughlin
| 106 = | million | |
| 109 = | billion | |
| 1012 = | trillion | |
| 1015 = | quadrillion |
