131721

131,721 is an odd composite number composed of three prime numbers multiplied together.

What does the number 131721 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

131721 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 131721:

3 × 23² × 83

(3 × 23 × 23 × 83)

See below for interesting mathematical facts about the number 131721 from the Numbermatics database.

Names of 131721

Cardinal: 131721 can be written as One hundred thirty-one thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 1.31721 × 10⁵

Factors of 131721

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 109

Divisors of 131721

Number of divisors d(n): 12
Complete list of divisors:
1 3 23 69 83 249 529 1587 1909 5727 43907 131721
Sum of all divisors σ(n): 185808
Sum of proper divisors (its aliquot sum) s(n): 54087
131721 is a deficient number, because the sum of its proper divisors (54087) is less than itself. Its deficiency is 77634

Bases of 131721

Binary: 100000001010001001₂
Hexadecimal: 0x20289
Base-36: 2TMX

Squares and roots of 131721

131721 squared (131721²) is 17350421841
131721 cubed (131721³) is 2285414915318361
The square root of 131721 is 362.9338782753
The cube root of 131721 is 50.8805354509

Scales and comparisons

How big is 131721?

131,721 seconds is equal to 1 day, 12 hours, 35 minutes, 21 seconds.
To count from 1 to 131,721 would take you about twelve 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 131721 cubic inches would be around 4.2 feet tall.

Recreational maths with 131721

131721 backwards is 127131
The number of decimal digits it has is: 6
The sum of 131721's digits is 15
More coming soon!

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The information we have on file for 131721 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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