Q:
# How Many Zeros Are in One Million?

**There are six zeros in one million.** This figure does not include decimal points.

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Larry Washburn
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The number one million is also known as one thousand thousand. It is written as 1,000,000. In scientific notation, one million is written as 10 to the 6th power. The prefix 'mega' as in megabyte, megawatt and megaton, denotes one million of a specific unit. One billion, on the other hand, is a number that has meant different things in different parts of the world throughout history. It is currently one thousand millions, but in the past, it meant one million millions. If you counted for eight hours each day, it would take nearly three weeks to reach one million.

One thousand has three zeros, 10 thousand has four and 100 thousand has five. These numbers are written exponentially as 10^3, 10^4 and 10^5 respectively. One billion has nine zeros and is written as 10^9. The exponent following the 10 each time represents the number of zeros at the end of the number itself. Other larger numbers include a trillion with 12 zeros, quadrillion with 15 zeros, quintillion with 18 zeros and sextillion with 21 zeros.

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