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Big Numbers

It’s hard, sometimes, to get an instinctive idea of how big a “big number” really is. I’ve just heard a brilliant description of a billion (American style: 109) that really gives you a gut feeling for how big the number is:

If you owed someone a billion dollars, and paid it back at the rate of $1 per second – how long would it take to pay off the debt (and don’t even think about the interest accruing) ?

The answer is 34 years.

The way I read it, that turns a big number into a number that’s small enough to comprehend but big to feel enormous.