231391

231,391 is an odd composite number composed of three prime numbers multiplied together.

What does the number 231391 look like?

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

231391 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 231391:

29 × 79 × 101

See below for interesting mathematical facts about the number 231391 from the Numbermatics database.

Names of 231391

Cardinal: 231391 can be written as Two hundred thirty-one thousand, three hundred ninety-one.

Scientific notation

Scientific notation: 2.31391 × 10⁵

Factors of 231391

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 209

Divisors of 231391

Number of divisors d(n): 8
Complete list of divisors:
1 29 79 101 2291 2929 7979 231391
Sum of all divisors σ(n): 244800
Sum of proper divisors (its aliquot sum) s(n): 13409
231391 is a deficient number, because the sum of its proper divisors (13409) is less than itself. Its deficiency is 217982

Bases of 231391

Binary: 111000011111011111₂
Hexadecimal: 0x387DF
Base-36: 4YJJ

Squares and roots of 231391

231391 squared (231391²) is 53541794881
231391 cubed (231391³) is 12389089459309471
The square root of 231391 is 481.0311840203
The cube root of 231391 is 61.3925238557

Scales and comparisons

How big is 231391?

231,391 seconds is equal to 2 days, 16 hours, 16 minutes, 31 seconds.
To count from 1 to 231,391 would take you about two days.

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 231391 cubic inches would be around 5.1 feet tall.

Recreational maths with 231391

231391 backwards is 193132
The number of decimal digits it has is: 6
The sum of 231391's digits is 19
More coming soon!

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The information we have on file for 231391 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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