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Last updated on July 4th, 2025

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Billion

Professor Greenline Explaining Math Concepts

In mathematics, a billion is an enormous number written as 1 followed by 9 zeros or 1,000,000,000. It is also referred to as a thousand million, since it is equal to 1000 × 1,000,000. The prefix “giga” in the term “gigameter” represents ‘billion’, and one gigameter is one billion meters. We can represent a billion in two different notations: the short scale and the long scale. In the short scale, commonly used in the United States, a billion is represented as 109, or 1,000,000,000, which is 1 followed by 9 zeros. In the long scale, used in France and Germany, a billion is represented as 1012 or 1,000,000,000,000, which is 1 followed by 12 zeros.

Billion for Indonesian Students
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Hiralee Lalitkumar Makwana

About the Author

Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.

Max, the Girl Character from BrightChamps

Fun Fact

: She loves to read number jokes and games.

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