Quintillion
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Main article: Names of large numbers
A quintillion is a number written as either:
- a 1 followed by 18 zeros (10 to the 18th power, as used in the short scale system of numeration), or
- a 1 followed by 30 zeros (10 to the 30th power, as used in the French system of numeration.
In the "short scale", this number is equal to 1,000 quadrillion, or a billion billion.
- In the book Fast Food Nation, author Eric Schlosser claims a Geographic Information System named "Quintillion" is used by McDonald's to analyze data to help predict a new location for one of its restaurants. According to Schlosser, Quintillion uses data such as satellite photos, income, new housing plans, and road layouts to predict future incomes and population patterns.
- The world's insect population is about ten quintillion (10^19).
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