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Another way to write that number is 10 octillion, and “Fundamentals” is filled with facts like these — the kind of question adults think they can answer until their children ask.

And he reminds us that we have more atoms in our body — 10 octillion — than the number of stars in the visible cosmos.

It's estimated that there are 3 octillion Prochlorococcus living in the world's oceans.

The xkcd cartoon password “correct horse battery staple” would theoretically take 15 octillion years to crack, but it has already been pwned twice in that form … and 111 times without the spaces.

She explained that the magnetic field would instantly pull the proton in each of the octillions of hydrogen atoms in my body into alignment.