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1,000,000,000 (one billion, short scale; one thousand million or milliard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001.
In scientific notation, it is written as 109.
In modern (short scale) English usage, it is usually called a billion (although in long scale usage in many other languages, a billion means 1,000,000,000,000 – a million millions). The unambiguous term is a thousand million, which has the same meaning in both scales.
In South Asian English, it is known as 100 crore or 1 arab.
The term milliard can also be used to refer to 1,000,000,000; this name very often appears in other languages.
This terminology is rarely used in English outside of archaic British English. The SI prefix giga indicates 1,000,000,000 times the base unit.
See Orders of magnitude (numbers) for larger numbers; and long and short scales.
1,000,000,000 (one billion, short scale; one thousand million or milliard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001.
In scientific notation, it is written as 109.
In modern (short scale) English usage, it is usually called a billion (although in long scale usage in many other languages, a billion means 1,000,000,000,000 – a million millions). The unambiguous term is a thousand million, which has the same meaning in both scales.
In South Asian English, it is known as 100 crore or 1 arab.
The term milliard can also be used to refer to 1,000,000,000; this name very often appears in other languages.
This terminology is rarely used in English outside of archaic British English. The SI prefix giga indicates 1,000,000,000 times the base unit.
See Orders of magnitude (numbers) for larger numbers; and long and short scales.
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