Iwao's calculation took 121 days to finish and needed 25 virtual machines.
Today is 14 March, also known as Pi Day (due to being written as 3/14 in the United States).More news: Britain's Brexit drama faces parliament judgement day
Running the calculation on the cloud gives the mathematically curious a major upgrade in convenience, Google said.
How has Google used Pi Day to break a Guinness World Record?
Even with Google's infrastructure on her side, determining trillions of digits was no simple task. She told CNN that it was her childhood dream to create such a record. Pi is used in engineering, physics, supercomputing and space exploration - because its value can be used in calculations for waves, circles and cylinders.
Iwao said in the announcement that's she's been fascinated with pi since she was 12- and never imagined breaking the Guinness World Record. It's almost nine trillion digits more than the previous world record set by Peter Trueb in November 2016.More news: Teddy Bridgewater set to meet with Dolphins
This is the first time the pi record has been broken using a commercial cloud service, Google Cloud Platform, rather than supercomputers and custom-built PCs, noted Yee in his own blog post.
In mathematics pi is the ratio of a circle's radius to its circumference, has far more digits that continue infinitely without repetition.
The pizza: For a lot of people, Pi Day is all about the related sales on pizza, and Thrillist has a list of the deals at chains and restaurants around the US. When I was a kid, I downloaded a program to calculate pi on my computer, ' Emma said. "At the time, the world record holders were Yasumasa Kanada and Daisuke Takahashi, who are Japanese, so it was really relatable for me growing up in Japan".More news: US prosecutors probing Facebook's data deals, New York Times says