139728

139,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 139728 look like?

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

139728 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 139728:

2⁴ × 3 × 41 × 71

(2 × 2 × 2 × 2 × 3 × 41 × 71)

See below for interesting mathematical facts about the number 139728 from the Numbermatics database.

Names of 139728

Cardinal: 139728 can be written as One hundred thirty-nine thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.39728 × 10⁵

Factors of 139728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 117

Divisors of 139728

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 6 8 12 16 24 41 48 71 82 123 142 164 213 246 284 328 426 492 568 656 852 984 1136 1704 1968 2911 3408 5822 8733 11644 17466 23288 34932 46576 69864 139728
Sum of all divisors σ(n): 374976
Sum of proper divisors (its aliquot sum) s(n): 235248
139728 is an abundant number, because the sum of its proper divisors (235248) is greater than itself. Its abundance is 95520

Bases of 139728

Binary: 100010000111010000₂
Hexadecimal: 0x221D0
Base-36: 2ZTC

Squares and roots of 139728

139728 squared (139728²) is 19523913984
139728 cubed (139728³) is 2728037453156352
The square root of 139728 is 373.8020866715
The cube root of 139728 is 51.8912916363

Scales and comparisons

How big is 139728?

139,728 seconds is equal to 1 day, 14 hours, 48 minutes, 48 seconds.
To count from 1 to 139,728 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 139728 cubic inches would be around 4.3 feet tall.

Recreational maths with 139728

139728 backwards is 827931
The number of decimal digits it has is: 6
The sum of 139728's digits is 30
More coming soon!

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The information we have on file for 139728 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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