The Size of An Atom

Consider this scaling problem:
A single hydrogen atom at ground state is 1.0581.058 Å large. This is also represented as 105.8105.8 picometers or 1.05835442134×10101.05835442134×10^{-10} meters.

It's easy to visualize the number 105.8 or even 106. Much harder to picture 1.05835442134×10101.05835442134×10^{-10} . If you blew up a hydrogen atom to the size of a 12.17 cm12.17\text{ cm} (or 0.12170.1217 m) wide grapefruit (an average grapefruit size), and a real grapefruit grew proportionally, approximately how big would the real grapefruit grow to be?

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