Imagining large numbers
by David Radcliffe
- People: moderately sized school.
- Dollars: price of a laptop computer.
- Pounds: weight of a polar bear.
- Miles: distance from St. Paul to Dallas.
- Seconds: About 17 minutes.
- People: Population of San Jose, California. Participants in the Million Man March.
- Dollars: Cost of an expensive house or a CAT scanner.
- Pounds: Maximum take-off weight of a 747.
- Miles: Lifetime distance traveled by car (100 miles/day for 30 years).
- Seconds: About 12 days.
- People: Population of India.
- Dollars: Net worth of JK Rowling, author of the Harry Potter books.
- Pounds: The Golden GateBridge weighs about 2 billion pounds.
- Miles: Distance to Saturn.
- Seconds: About 32 years.
- People: The hypothetical populations of the world, if all land area on the globe were as densely populated as Hong Kong.
- Dollars: Approximate cost of the Iraq war.
- Pounds: World annual rice production.
- Miles: One fifth of a light year.
- Seconds: About 30,000 years. The earliest known cave paintings are about 30,000 years old.
- People: Number of ants in the world.
- Dollars: Total world purchasing power for 15 years, at current levels of production.
- Pounds: Total world coal reserves.
- Miles: About 170 light years.
- Seconds: About 30 million years.