139491

139,491 is an odd composite number composed of three prime numbers multiplied together.

What does the number 139491 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

139491 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 139491:

3² × 11 × 1409

(3 × 3 × 11 × 1409)

See below for interesting mathematical facts about the number 139491 from the Numbermatics database.

Names of 139491

Cardinal: 139491 can be written as One hundred thirty-nine thousand, four hundred ninety-one.

Scientific notation

Scientific notation: 1.39491 × 10⁵

Factors of 139491

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1423

Divisors of 139491

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 11 33 99 1409 4227 12681 15499 46497 139491
Sum of all divisors σ(n): 219960
Sum of proper divisors (its aliquot sum) s(n): 80469
139491 is a deficient number, because the sum of its proper divisors (80469) is less than itself. Its deficiency is 59022

Bases of 139491

Binary: 100010000011100011₂
Hexadecimal: 0x220E3
Base-36: 2ZMR

Squares and roots of 139491

139491 squared (139491²) is 19457739081
139491 cubed (139491³) is 2714179482147771
The square root of 139491 is 373.4849394553
The cube root of 139491 is 51.8619365179

Scales and comparisons

How big is 139491?

139,491 seconds is equal to 1 day, 14 hours, 44 minutes, 51 seconds.
To count from 1 to 139,491 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 139491 cubic inches would be around 4.3 feet tall.

Recreational maths with 139491

139491 backwards is 194931
The number of decimal digits it has is: 6
The sum of 139491's digits is 27
More coming soon!

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The information we have on file for 139491 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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