Today is the day the world celebrates the number 
. That’s because it’s March 14th, which in the US is written as 3/14, giving you the first three digits of this beloved number. But of course, they are only the first three digits of an infinite number: is irrational which means that its decimal expansion is infinite.
This is why it's rather fitting that Google employee Emma Haruka Iwao today announced a new record: using Google's cloud computing service she has calculated the first 31 trillion digits of 
. Previously only the first 22 trillion digits were known. The calculation required 170TB of data and took 25 virtual machines 121 days to complete.
It's a great present for all lovers of 
. Happy day and thank you Emma Haruka Iwao!
You can find out more about and why you would want to calculate it to so many digits in the video below.