138951

138,951 is an odd composite number composed of two prime numbers multiplied together.

What does the number 138951 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

138951 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 138951:

3² × 15439

(3 × 3 × 15439)

See below for interesting mathematical facts about the number 138951 from the Numbermatics database.

Names of 138951

Cardinal: 138951 can be written as One hundred thirty-eight thousand, nine hundred fifty-one.

Scientific notation

Scientific notation: 1.38951 × 10⁵

Factors of 138951

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 15442

Divisors of 138951

Number of divisors d(n): 6
Complete list of divisors:
1 3 9 15439 46317 138951
Sum of all divisors σ(n): 200720
Sum of proper divisors (its aliquot sum) s(n): 61769
138951 is a deficient number, because the sum of its proper divisors (61769) is less than itself. Its deficiency is 77182

Bases of 138951

Binary: 100001111011000111₂
Hexadecimal: 0x21EC7
Base-36: 2Z7R

Squares and roots of 138951

138951 squared (138951²) is 19307380401
138951 cubed (138951³) is 2682779814099351
The square root of 138951 is 372.7613177357
The cube root of 138951 is 51.7949270287

Scales and comparisons

How big is 138951?

138,951 seconds is equal to 1 day, 14 hours, 35 minutes, 51 seconds.
To count from 1 to 138,951 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 138951 cubic inches would be around 4.3 feet tall.

Recreational maths with 138951

138951 backwards is 159831
The number of decimal digits it has is: 6
The sum of 138951's digits is 27
More coming soon!

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The information we have on file for 138951 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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