Time since building of the Great Pyramid of Giza / Cheops / Khufu

Time since building of the Great Pyramid of Giza / Cheops / Khufu (4,580 y)

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Neat Ratios ...

Time since building of the Great Pyramid of Giza / Cheops / Khufu (4,580 y)

  • is 1/5000 of Time since the end of the Paleogene geologic period (23 million y)...more
  • is 2/5 of Time since the earliest farming (11,500 y)...more
  • is 2 x Time since the birth of Archimedes (2,300 y)...more
  • is 2 x Time since the birth of Eratosthenes (2,296 y)...more
  • is 2 x Time since start of building of the Great Pyramid of Cholula (2,250 y)...more
  • is 2.5 x Time since the birth of Diophantus (1,811 y)...more
  • is 2.5 x Time since the building of Great Wall of China (1,800 y)...more
  • is 5 x Time since building of Angkor Wat (902 y)...more
  • is 10 x Time since the birth of Shakespeare (457 y)...more
  • is 10 x Time since the birth of Galileo (457 y)...more
  • is 40 x Time since the publication of Einstein's theory of Special Relativity (116 y)...more
  • is 40 x Time since the birth of computer scientist Grace Hopper (115 y)...more
  • is 40 x Time since first Model T Ford launched (113 y)...more
  • is 100 x Time since Concorde Supersonic Airliner entered service (45 y)...more
  • is 500 x Time since first Tesla Model S launched (9 y)...more
  • is 1000 x Period of Ceres's orbit (4.6 y)...more

If this was a standard unit ...

Is That A Big Number? - The Book

Yes, there's now a book based on these numbers. Oxford University Press: July 2018.

Click here to learn more about it.

Click here for Podcast: Andrew Elliott interviewed for New Books Network.

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