138968

138,968 is an even composite number composed of three prime numbers multiplied together.

What does the number 138968 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

138968 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 138968:

2³ × 29 × 599

(2 × 2 × 2 × 29 × 599)

See below for interesting mathematical facts about the number 138968 from the Numbermatics database.

Names of 138968

Cardinal: 138968 can be written as One hundred thirty-eight thousand, nine hundred sixty-eight.

Scientific notation

Scientific notation: 1.38968 × 10⁵

Factors of 138968

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 630

Divisors of 138968

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 8 29 58 116 232 599 1198 2396 4792 17371 34742 69484 138968
Sum of all divisors σ(n): 270000
Sum of proper divisors (its aliquot sum) s(n): 131032
138968 is a deficient number, because the sum of its proper divisors (131032) is less than itself. Its deficiency is 7936

Bases of 138968

Binary: 100001111011011000₂
Hexadecimal: 0x21ED8
Base-36: 2Z88

Squares and roots of 138968

138968 squared (138968²) is 19312105024
138968 cubed (138968³) is 2683764610975232
The square root of 138968 is 372.7841198333
The cube root of 138968 is 51.7970392309

Scales and comparisons

How big is 138968?

138,968 seconds is equal to 1 day, 14 hours, 36 minutes, 8 seconds.
To count from 1 to 138,968 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 138968 cubic inches would be around 4.3 feet tall.

Recreational maths with 138968

138968 backwards is 869831
The number of decimal digits it has is: 6
The sum of 138968's digits is 35
More coming soon!

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The information we have on file for 138968 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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