If Time since the end of the Pleistocene geologic epoch (11,700 y) was a standard unit ...

Time since the end of the Paleogene geologic period (23 million y)...more would be 2000 x Time since the end of the Pleistocene geologic epoch

Time since the earliest farming (11,500 y)...more would be about as big as Time since the end of the Pleistocene geologic epoch

Time since the birth of Euclid (2,382 y)...more would be 1/5 of Time since the end of the Pleistocene geologic epoch

Time since the birth of Alexander the Great (2,377 y)...more would be 1/5 of Time since the end of the Pleistocene geologic epoch

Time since the birth of Archimedes (2,300 y)...more would be 1/5 of Time since the end of the Pleistocene geologic epoch

Time since the birth of Eratosthenes (2,297 y)...more would be 1/5 of Time since the end of the Pleistocene geologic epoch

Time since invention of the printing press (582 y)...more would be 1/20 of Time since the end of the Pleistocene geologic epoch

Time since the publication of Einstein's theory of Special Relativity (117 y)...more would be 1/100 of Time since the end of the Pleistocene geologic epoch

Time since the birth of computer scientist Grace Hopper (116 y)...more would be 1/100 of Time since the end of the Pleistocene geologic epoch

Time since Concorde Supersonic Airliner entered service (46 y)...more would be 1/250 of Time since the end of the Pleistocene geologic epoch

Period of Saturn's orbit (29.5 y)...more would be 1/400 of Time since the end of the Pleistocene geologic epoch

Period of Jupiter's orbit (11.86 y)...more would be 1/1000 of Time since the end of the Pleistocene geologic epoch

Period of Ceres's orbit (4.6 y)...more would be 1/2500 of Time since the end of the Pleistocene geologic epoch

Is That A Big Number? - The Book

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