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Visualization of 1 trillion (short scale) A Rubik's cube, which has about 43 trillion (long scale) possible positions. Trillion is a number with two distinct definitions: 1,000,000,000,000, i.e. one million million, or 10 12 (ten to the twelfth power), as defined on the short scale. This is now the meaning in both American and British English.
Some names of large numbers, such as million, billion, and trillion, have real referents in human experience, and are encountered in many contexts, particularly in finance and economics. At times, the names of large numbers have been forced into common usage as a result of hyperinflation.
As of July 2024, π has been calculated to 202,112,290,000,000 (approximately 202 trillion) decimal digits. The last 100 decimal digits of the latest world record computation are: [1] 7034341087 5351110672 0525610978 1945263024 9604509887 5683914937 4658179610 2004394122 9823988073 3622511852
Large numbers, far beyond those ... The number of cells in the human body (estimated at 3.72 × 10 13), or 37.2 trillion/37.2 T [3] The number of bits on a computer ...
It was used in the world record calculations of 2.7 trillion digits of π in December 2009, [3] 10 trillion digits in October 2011, [4] [5] 22.4 trillion digits in November 2016, [6] 31.4 trillion digits in September 2018–January 2019, [7] 50 trillion digits on January 29, 2020, [8] 62.8 trillion digits on August 14, 2021, [9] 100 trillion ...
Although many properties of these digits are known — for example, they do not repeat, because π is irrational — not all of the digits are known. As of March 2024, more than 102 trillion digits [4] have been calculated. A 102 trillion-digit approximation has 102 trillion significant digits. In practical applications, far fewer digits are used.
Mathematics – Known digits of π: As of March 2019, the number of known digits of π is 31,415,926,535,897 (the integer part of π × 10 13). [42] Biology – approximately 10 14 synapses in the human brain. [43] Biology – Cells in the human body: The human body consists of roughly 10 14 cells, of which only 10 13 are human.
For example 1,000,000,000,000 rather than 1 trillion (short scale) or 1 billion (long scale). This method becomes unwieldy for very large numbers. Combinations of the unambiguous words such as ten, hundred, thousand and million. For example: one thousand million and one million million. [5]