138992

138,992 is an even composite number composed of four prime numbers multiplied together.

What does the number 138992 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

138992 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 138992:

2⁴ × 7 × 17 × 73

(2 × 2 × 2 × 2 × 7 × 17 × 73)

See below for interesting mathematical facts about the number 138992 from the Numbermatics database.

Names of 138992

Cardinal: 138992 can be written as One hundred thirty-eight thousand, nine hundred ninety-two.

Scientific notation

Scientific notation: 1.38992 × 10⁵

Factors of 138992

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 99

Divisors of 138992

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 7 8 14 16 17 28 34 56 68 73 112 119 136 146 238 272 292 476 511 584 952 1022 1168 1241 1904 2044 2482 4088 4964 8176 8687 9928 17374 19856 34748 69496 138992
Sum of all divisors σ(n): 330336
Sum of proper divisors (its aliquot sum) s(n): 191344
138992 is an abundant number, because the sum of its proper divisors (191344) is greater than itself. Its abundance is 52352

Bases of 138992

Binary: 100001111011110000₂
Hexadecimal: 0x21EF0
Base-36: 2Z8W

Squares and roots of 138992

138992 squared (138992²) is 19318776064
138992 cubed (138992³) is 2685155322687488
The square root of 138992 is 372.8163086561
The cube root of 138992 is 51.8000208703

Scales and comparisons

How big is 138992?

138,992 seconds is equal to 1 day, 14 hours, 36 minutes, 32 seconds.
To count from 1 to 138,992 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 138992 cubic inches would be around 4.3 feet tall.

Recreational maths with 138992

138992 backwards is 299831
The number of decimal digits it has is: 6
The sum of 138992's digits is 32
More coming soon!

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The information we have on file for 138992 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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