138831

138,831 is an odd composite number composed of four prime numbers multiplied together.

What does the number 138831 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

138831 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 138831:

3 × 7 × 11 × 601

See below for interesting mathematical facts about the number 138831 from the Numbermatics database.

Names of 138831

Cardinal: 138831 can be written as One hundred thirty-eight thousand, eight hundred thirty-one.

Scientific notation

Scientific notation: 1.38831 × 10⁵

Factors of 138831

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 622

Divisors of 138831

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 11 21 33 77 231 601 1803 4207 6611 12621 19833 46277 138831
Sum of all divisors σ(n): 231168
Sum of proper divisors (its aliquot sum) s(n): 92337
138831 is a deficient number, because the sum of its proper divisors (92337) is less than itself. Its deficiency is 46494

Bases of 138831

Binary: 100001111001001111₂
Hexadecimal: 0x21E4F
Base-36: 2Z4F

Squares and roots of 138831

138831 squared (138831²) is 19274046561
138831 cubed (138831³) is 2675835158110191
The square root of 138831 is 372.6003220611
The cube root of 138831 is 51.7800124633

Scales and comparisons

How big is 138831?

138,831 seconds is equal to 1 day, 14 hours, 33 minutes, 51 seconds.
To count from 1 to 138,831 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 138831 cubic inches would be around 4.3 feet tall.

Recreational maths with 138831

138831 is the same when its digits are reversed! That makes it a palindromic number.
The number of decimal digits it has is: 6
The sum of 138831's digits is 24
More coming soon!

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The information we have on file for 138831 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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