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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.
Traditional British usage assigned new names for each power of one million (the long scale): 1,000,000 = 1 million; 1,000,000 2 = 1 billion; 1,000,000 3 = 1 trillion; and so on. It was adapted from French usage, and is similar to the system that was documented or invented by Chuquet.
For identical names, the long scale grows by multiples of one million (10 6), whereas the short scale grows by multiples of one thousand (10 3). For example, the short scale billion is one thousand million (10 9), whereas in the long scale, billion is one million million (10 12). The long scale system includes additional names for interleaved ...
For example, a billion is represented as 13 characters (1,000,000,000) in decimal format, but is only 3 characters (10 9) when expressed in exponential format. A trillion is 17 characters in decimal, but only 4 (10 12) in exponential. Values that vary dramatically can be represented and compared graphically via logarithmic scale.
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.
One billion years may be called an eon in astronomy or geology. Previously in British English (but not in American English), the word "billion" referred exclusively to a million millions (1,000,000,000,000). However, this is not common anymore, and the word has been used to mean one thousand million (1,000,000,000) for several decades. [5]
According to a 2016 Oxfam report, the wealth of the poorest 95% dropped by 38% between 2010 and 2015, due to an increase in the global population by 400 million. [18] In the same period, the wealth of the richest 62 people between the World's Billionaires increased by $500bn (£350bn) to $1.76tn.
(1 000 000 000; 1000 3; short scale: one billion; long scale: one thousand million, or one milliard) ISO: giga-(G) Transportation – Cars: As of 2018, there are approximately 1.4 billion cars in the world, corresponding to around 18% of the human population. [23]