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Billion is a word for a large number, and it has two distinct definitions: 1,000,000,000 , i.e. one thousand million , or 10 9 (ten to the ninth power ), as defined on the short scale . This is now the most common sense of the word in all varieties of English; it has long been established in American English and has since become common in ...
US, Canada and modern British (short scale) Traditional British Traditional European (Peletier long scale) SI Symbol SI Prefix 1 1 10 6: Million Million Million M Mega-2 1 10 9: Billion Thousand million Milliard G Giga-3 2 10 12: Trillion Billion Billion T Tera-4 2 10 15: Quadrillion Thousand billion Billiard P Peta-5 3 10 18: Quintillion Trillion
The "billion" in bya is the 10 9 "billion" of the short scale of the U.S., [1] not the long-scale 10 12 "billion" of some European usage. Billion by this convention (10 9 ) is often called a "thousand million" in the UK and a "milliard" in some other countries. [ 2 ]
Each of these words translates to the American English or post-1974 British English word billion (10 9 in the short scale). The term billion originally meant 10 12 when introduced. [7] In long scale countries, milliard was defined to its current value of 10 9, leaving billion at its original 10 12 value and so on for the larger numbers. [7]
Knowing the meaning of these terms will keep anyone with a phone, social media, or even just web access from being constantly confused in the digital world! The post 35 Text Abbreviations You ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 January 2025. See also: Orders of magnitude (numbers) and Long and short scales Natural number 1000000000 List of numbers Integers ← 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 Cardinal One billion (short scale) One thousand million, or one milliard (long scale) Ordinal One billionth (short ...
Many people have no direct experience of manipulating numbers this large, and many non-American readers may interpret billion as 10 12 (even if they are young enough to have been taught otherwise at school); moreover, usage of the "long" billion is standard in some non-English-speaking countries. For these reasons, defining the word may be ...
The observable universe spans an incredible 93 billion light years (approximately 8.8 × 10^26 meters) and hosts around 5 × 10^22 stars, organized into roughly 125 billion galaxies (as observed by the Hubble Space Telescope). As a rough estimate, there are about 10^80 atoms within the observable universe.