- published: 21 Mar 2016
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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.
A billion traditionally equated to one million, million, (1,000,000,000,000) though the short scale (American English) billion of merely one thousand million (1,000,000,000) has been adopted in finance and increasingly in other fields. The unambiguous term thousand million 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 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.
The facts below give a sense of how large 1,000,000,000 (109) is in the context of time according to current scientific evidence:
Brawl Edward Valentine Giamatti (/dʒiəˈmɑːti/; born June 6, 1967) is an American actor. An acclaimed character actor, Giamatti began his career as a supporting actor in several films produced during the 1990s including Private Parts, The Truman Show, Saving Private Ryan, The Negotiator, and Man on the Moon before earning lead roles in several projects in the 2000s including American Splendor, Sideways, Cinderella Man, The Illusionist, John Adams, Cold Souls, Barney's Version, and Win Win.
Giamatti, the youngest of three children, was born in New Haven, Connecticut. His father, Angelo Bartlett Giamatti, was a Yale University professor who later became president of the university and commissioner of Major League Baseball. His mother, Toni Marilyn (née Smith), was a homemaker and English teacher who taught at Hopkins School and had also previously acted. Giamatti is of Italian, Irish, and English descent. Giamatti's paternal grandmother was from a family with deep roots in New England, and his paternal grandfather was the son of Italian immigrants from Telese. His brother, Marcus, is also an actor, and his sister, Elena, is a jewelry designer. Giamatti was educated at The Foote School and graduated from Choate Rosemary Hall in 1985. He attended Yale University, where he was elected to the Skull and Bones secret society. Giamatti was active in the undergraduate theater scene, working alongside actors Ron Livingston and Edward Norton, who were also Yale students. He graduated from Yale in 1989 with a bachelor's degree in English. He went on to earn a Master of Fine Arts degree from the Yale School of Drama where he studied with Earle R. Gister. He performed in numerous theatrical productions (including Broadway) before appearing in some small television and film roles in the early 1990s.