Some Interesting Number Facts

Googol is the mathematical term for a 1 followed by 100 zeros.

2 and 5 are the only prime numbers that end in 2 or 5.

1 and 2 are the only numbers where they are values of the numbers of the factors they have.

25% of a human's bones are in its feet.

A "2 by 4" is really 1 1/2 by 3 1/2.

A cat has 32 muscles in each ear.

A dragonfly has a life span of 24 hours.

A dime has 118 ridges around the edge. A quarter has 119.

A fish's memory span is 3 seconds.

A flea can jump 350 times is own body length.

A human being loses an average of 40 to 100 strands of hair a day.

A humming bird flaps its wings up to 90 times in one second or over 5000 times a minute.

A jellyfish is 95 percent water, and humans around 70%

A queen bee lays about 1,500 eggs on an average day.

A snail can sleep for 3 years.

Alligators can live for more than 100 years.

An elephant can smell water 3 miles away.

An Octopus has 3 hearts!

Babies are born with 300 bones, but by adulthood we have only 206 in our bodies.

Every square inch of the human body has an average of 32 million bacteria on it.

Humans have 46 chromosomes, peas have 14 and crayfish have 200.

If you add up the numbers 1-100 consecutively (1+2+3+4+5 etc) the total is 5050.

If you take any number between 1 & 9 and multiply them by 9 the sum of the two numbers will always be 9 (ex: 7 X 9 = 63 ; 6 + 3 = 9)

If you take any number, double it, add 10, divide by 2, and subtract your original number, the answer will always be 5.

In 24 hours, an average healthy human breathes 23,000 times.

In English, "four" is the only digit that has the same number of letters as its value.

It is estimated that 10,000,000,000,000,000,000,000,000,000,000,000 snowflakes have fallen to the earth since it was formed.

It takes about 1.25 seconds for moonlight to reach the Earth.

Lightning strikes 6,000 times every minute on the entire planet

No solar eclipse can last longer than 7 minutes 58 seconds because of the speed at which the sun moves.

Of the 206 bones in the human body, 52 are in the feet.

Only one in two billion people will live to be 116 or older.

Our galaxy has approximately 250 billion stars.

Our nerves system transmits messages at up to 300 ft. per second.

Our sun and the surrounding planets orbit around the center of the Milky Way galaxy once every 250 million years.

Pluto has the longest year, lasting 247 years and 256 days in Earth time (90,472 days including 61 leap years).

The ant can lift 50 times its own weight.

The average raindrop falls at 7 miles per hour.

The earth weighs 6 sextillion, 588 quintillion tons.

The highest point of the earth, with an elevation of 29,141 feet, is the top of Mt. Everest in Tibet.

The human body has over 45 miles of nerves.

The human body has over 600 muscles, 40% of the body's weight.

The human brain is about 85% water.

The number 111,111,111 multiplied by itself will result in the number 12,345,678,987,654,321.

The number 2,520 can be divided by 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 without having a fractional leftover.

The number 37 will wholly divide (no decimals) into 111, 222, 333, 444, 555, 666, 777, 888, and 999.

The numbers on opposite sides of a die always add up to seven.

The sun is about three million miles closer to the earth on January 1st than it is on June 1st.

The sun weighs 330,000 times as much as the earth.

The sun's average period of rotation is 27 days.

The surface of the Earth is about 60% water and 10% ice.

There are 31,557,600 seconds in a year.

There are 44,523,312,694,361,020,971,556,671,544,734,879,370,359,807,003,367,569,358,848,000,000,000,000 ways to order a deck of cards.

There are 60,000 miles of blood vessels in the human body.

There are 63,360 inches in a mile.

There is zero gravity at the center of the earth.

We [humans] only use 10% of our brains.

We blink eyes 25 times each minute.

The Earth experiences 50,000 earthquakes a year.

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