hundredmillion
One hundred million, written as 100,000,000, is the natural number that follows 99,999,999 and precedes 100,000,001. In the decimal system it is represented as a one followed by eight zeros. It is equal to 10^8, making it a central example of a round, easily described large count. The square root of 100,000,000 is 10,000, and it can be expressed as 100^4. In binary and other bases it has a more complex representation, but its decimal form is the most commonly used in everyday arithmetic.
In naming conventions, the number is spoken as “one hundred million.” In English it is typically written
Applications and examples: 100 million serves as a common benchmark in demography, economics, and data analysis.
Note on scale: in the short scale used in English-speaking countries, 100 million equals 0.1 billion. In