Free-form entry eg: '125000km', '1.5 million inches', '$67bn', '45000000 AUD', 100years', '123456789', '1 trillion', '1.5e6', '25 million kg'

Getting to Grips with Big

Stop worrying and learn to love big numbers

Numbers Astronomical and Beyond

IsThatABigNumber.com is about extending our number sense. We make comparisons that are (mostly) down-to-earth: populations of people and animals, national budgets, river lengths and so on.

But when we leave behind everyday experience and look at the kind of numbers you find in astronomy and in combinatorics, we come across vastly bigger numbers.

One strategy to grasp these numbers is to break them down into a series of levels, to see them as stupidly big aggregations of things that are themselves stupidly big aggregations of …  Here are some good clips illustrating this:

https://www.youtube.com/watch?v=QgNDao7m41M

https://www.youtube.com/watch?v=T69cguFzZ_w

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.

http://itabn.tumblr.com/post/138631317782/this-website