137991

137,991 is an odd composite number composed of three prime numbers multiplied together.

What does the number 137991 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

137991 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 137991:

3 × 7 × 6571

See below for interesting mathematical facts about the number 137991 from the Numbermatics database.

Names of 137991

Cardinal: 137991 can be written as One hundred thirty-seven thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 1.37991 × 10⁵

Factors of 137991

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 6581

Divisors of 137991

Number of divisors d(n): 8
Complete list of divisors:
1 3 7 21 6571 19713 45997 137991
Sum of all divisors σ(n): 210304
Sum of proper divisors (its aliquot sum) s(n): 72313
137991 is a deficient number, because the sum of its proper divisors (72313) is less than itself. Its deficiency is 65678

Bases of 137991

Binary: 100001101100000111₂
Hexadecimal: 0x21B07
Base-36: 2YH3

Squares and roots of 137991

137991 squared (137991²) is 19041516081
137991 cubed (137991³) is 2627557845533271
The square root of 137991 is 371.4713986299
The cube root of 137991 is 51.6753690973

Scales and comparisons

How big is 137991?

137,991 seconds is equal to 1 day, 14 hours, 19 minutes, 51 seconds.
To count from 1 to 137,991 would take you about fourteen hours.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 137991 cubic inches would be around 4.3 feet tall.

Recreational maths with 137991

137991 backwards is 199731
The number of decimal digits it has is: 6
The sum of 137991's digits is 30
More coming soon!

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The information we have on file for 137991 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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