139640

139,640 is an even composite number composed of three prime numbers multiplied together.

What does the number 139640 look like?

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

139640 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 139640:

2³ × 5 × 3491

(2 × 2 × 2 × 5 × 3491)

See below for interesting mathematical facts about the number 139640 from the Numbermatics database.

Names of 139640

Cardinal: 139640 can be written as One hundred thirty-nine thousand, six hundred forty.

Scientific notation

Scientific notation: 1.3964 × 10⁵

Factors of 139640

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 3498

Divisors of 139640

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 3491 6982 13964 17455 27928 34910 69820 139640
Sum of all divisors σ(n): 314280
Sum of proper divisors (its aliquot sum) s(n): 174640
139640 is an abundant number, because the sum of its proper divisors (174640) is greater than itself. Its abundance is 35000

Bases of 139640

Binary: 100010000101111000₂
Hexadecimal: 0x22178
Base-36: 2ZQW

Squares and roots of 139640

139640 squared (139640²) is 19499329600
139640 cubed (139640³) is 2722886385344000
The square root of 139640 is 373.6843587843
The cube root of 139640 is 51.8803957227

Scales and comparisons

How big is 139640?

139,640 seconds is equal to 1 day, 14 hours, 47 minutes, 20 seconds.
To count from 1 to 139,640 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 139640 cubic inches would be around 4.3 feet tall.

Recreational maths with 139640

139640 backwards is 046931
The number of decimal digits it has is: 6
The sum of 139640's digits is 23
More coming soon!

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The information we have on file for 139640 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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