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The Number 49. Mathematical Properties Of 49 And Movies With The Number 49 In Their Title.

Updated on January 3, 2013

Math facts of the number 49

The number 49 is the 25th odd number.

The number 49 has three divisors, 1, 7 and 49. 7 is the only prime divisor of 49.

49 can be written as a product of prime factors as 7 × 7.

The number 49 is also a square number since 7 × 7 = 49 and also the fourth prime square number.

If you work out 49 squared you get 2401 and the sum of these digits gives 7 (which is the square root of 49)

49% as a fraction is 49/100 or 0.49 as a decimal.

In the binary number system 49 can be written as 110001.

In the hexadecimal number system 49 can be written as 31.

In Roman Numerals the number 49 is denoted by the letter XLIX.

Other conversions involving the number 49:

49 inches is equivalent to 124cm

A weight of 49 pounds is equivalent to 22.2 kilograms.

In 49 minutes there are 2940 seconds.

If a car is travelling at 49 miles per hour then this is equivalent to 78.9 kilometers per hour.

Other facts about the number 49:

49 is the atomic number of Indium.

On the Hebrew calendar 49 is the amount of days of the counting of Omer.

The 49th state of the United States of America is Alaska.

Bob Dylan produced the song called “Days of 49”

Two movies with the number 49 in their title are Ladder 49 and 49 Up. Ladder 49 was produced in 2004 and is about the heroics of a firefighter. 49 Up was produced in 2005 which is a documentary following the lives of real people and how their lives have changed during the last seven years.

The name of a 49 sided regular polygon is tetracontakaienneagon.

Feel free to add more facts about the number 49.

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