139087

139,087 is an odd composite number composed of two prime numbers multiplied together.

What does the number 139087 look like?

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

139087 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 139087:

13² × 823

(13 × 13 × 823)

See below for interesting mathematical facts about the number 139087 from the Numbermatics database.

Names of 139087

Cardinal: 139087 can be written as One hundred thirty-nine thousand and eighty-seven.

Scientific notation

Scientific notation: 1.39087 × 10⁵

Factors of 139087

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 836

Divisors of 139087

Number of divisors d(n): 6
Complete list of divisors:
1 13 169 823 10699 139087
Sum of all divisors σ(n): 150792
Sum of proper divisors (its aliquot sum) s(n): 11705
139087 is a deficient number, because the sum of its proper divisors (11705) is less than itself. Its deficiency is 127382

Bases of 139087

Binary: 100001111101001111₂
Hexadecimal: 0x21F4F
Base-36: 2ZBJ

Squares and roots of 139087

139087 squared (139087²) is 19345193569
139087 cubed (139087³) is 2690664937931503
The square root of 139087 is 372.9436954823
The cube root of 139087 is 51.8118198257

Scales and comparisons

How big is 139087?

139,087 seconds is equal to 1 day, 14 hours, 38 minutes, 7 seconds.
To count from 1 to 139,087 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 139087 cubic inches would be around 4.3 feet tall.

Recreational maths with 139087

139087 backwards is 780931
The number of decimal digits it has is: 6
The sum of 139087's digits is 28
More coming soon!

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The information we have on file for 139087 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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