One of my favorite numbers to remember to aid in estimations is this: 1 year = pi * 10^7 seconds. Its really pretty accurate.
Of course for Fermi estimation just remember 1 Gs (gigasecond) = 30 years.
10^7.5 is even more accurate.
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One of my favorite numbers to remember to aid in estimations is this: 1 year = pi * 10^7 seconds. Its really pretty accurate.
Of course for Fermi estimation just remember 1 Gs (gigasecond) = 30 years.
10^7.5 is even more accurate.