Is That A Big Number?

If Time since the invention of the transistor (76 y) was a standard unit ...

Time since first humans in Europe (30,000 y)...more would be 400 x Time since the invention of the transistor

Time since extinction of Neanderthals (30,000 y)...more would be 400 x Time since the invention of the transistor

Age of earliest sewing needle (30,000 y)...more would be 400 x Time since the invention of the transistor

Time since the earliest bread baking (30,000 y)...more would be 400 x Time since the invention of the transistor

Time since first humans in Americas (15,000 y)...more would be 200 x Time since the invention of the transistor

Time since the peak of Roman Empire (1,900 y)...more would be 25 x Time since the invention of the transistor

Time since the birth of Marco Polo (770 y)...more would be 10 x Time since the invention of the transistor

Time since the birth of Dante Alighieri (759 y)...more would be 10 x Time since the invention of the transistor

Time since the birth of Newton (381 y)...more would be 5 x Time since the invention of the transistor

Lifespan of Galapagos giant tortoise (190 y)...more would be 2.5 x Time since the invention of the transistor

Period of Halley's Comet's orbit (75.3 y)...more would be about as big as Time since the invention of the transistor

Lifespan of horse (30 y)...more would be 2/5 of Time since the invention of the transistor

Time since first iPhone launched (15 y)...more would be 1/5 of Time since the invention of the transistor

Lifespan of a cat (15 y)...more would be 1/5 of Time since the invention of the transistor

Period of Mars's orbit (1.88 y)...more would be 1/40 of Time since the invention of the transistor

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