WHAT IS A TRILLION DOLLARS
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How Big Are Millions, Billions, and Trillions?
How Can We Think About Really Large Numbers?
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Updated on September 26, 2024
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Key Takeaways
- A million is a 1 with six zeros and can be seen as a thousand thousands.
- A billion is a 1 with nine zeros and is equivalent to a thousand millions.
- A trillion is a 1 with twelve zeros and equals a thousand billions or a million millions.
The Piraha tribe is a group living in the jungles of South America. They are well known because they do not have a way to count past two. According to Daniel L. Everett, a linguist and professor who spent decades living among and studying the tribe, the Piraha have no number words to distinguish between these two numbers.1 Anything more than two is a “big” number, so learning how to conceptualize a billion may prove to be difficult for them.
Most people are similar to the Piraha tribe. We may be able to count past two, but there comes a point where we lose our grasp of numbers. When the numbers get big enough, intuition is gone and all we can say is that a number is “really big.” In English, the words “million” and “billion” differ by only one letter, yet that letter means that one of the words signifies something that is a thousand times larger than the other.
Do we really know how big these numbers are? The trick to thinking about large numbers is to relate them to something meaningful. How big is a trillion? Unless we’ve thought of some concrete ways to picture this number in relation to a billion, all that we can say is, “A billion is big and a trillion is even bigger.”
How to Conceptualize a Million
First, consider a million:
- One million is a thousand thousands.2
- One million is a 1 with six zeros after it, denoted by 1,000,000.
- One million seconds is about 11 and a half days.
- One million pennies stacked on top of each other would make a tower nearly a mile high.3
- If you earn $45,000 a year, it would take 22 years to amass a fortune of 1 million dollars.
- One million ants would weigh a little over 6 pounds.
- One million dollars divided evenly among the U.S. population would mean everyone in the United States would receive about one-third of one cent.
How to Conceptualize a Billion
Next up is one billion:
- One billion is a thousand millions.
- One billion is a 1 with nine zeros after it, denoted by 1,000,000,000.
- One billion seconds is about 32 years.4
- One billion pennies stacked on top of each other would make a tower almost 870 miles high.3
- If you earn $45,000 a year, it would take 22,000 years to amass a fortune of one billion dollars.
- One billion ants would weigh over 3 tons—a little less than the weight of an elephant.
- One billion dollars divided equally among the U.S. population would mean that everyone in the United States would receive about $3.33.3
How to Conceptualize a Trillion
After that is a trillion:
- One trillion is a thousand billions, or equivalently a million millions.
- It is a 1 with 12 zeros after it, denoted by 1,000,000,000,000.
- One trillion seconds is 32,000 years.5
- One trillion pennies stacked on top of each other would make a tower about 870,000 miles high—the same distance obtained by going to the moon, back to Earth, then to the moon again.3
- One trillion ants would weigh over 3,000 tons.
- One trillion dollars divided evenly among the U.S. population would mean that everyone in the United States would receive a little over $3,000.3
What’s Next?
Numbers higher than a trillion are not talked about as frequently, but there are names for these numbers. More important than the names is knowing how to think about large numbers. To be a well-informed member of society, we really should be able to know how to conceptualize a billion, trillion, and million.
It helps to make this identification personal. Have fun coming up with your own concrete ways to talk about the magnitude of these numbers.
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