13905489

13,905,489 is an odd composite number composed of three prime numbers multiplied together.

What does the number 13905489 look like?

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

13905489 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 13905489:

3 × 13² × 27427

(3 × 13 × 13 × 27427)

See below for interesting mathematical facts about the number 13905489 from the Numbermatics database.

Names of 13905489

Cardinal: 13905489 can be written as Thirteen million, nine hundred five thousand, four hundred eighty-nine.

Scientific notation

Scientific notation: 1.3905489 × 10⁷

Factors of 13905489

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 27443

Divisors of 13905489

Number of divisors d(n): 12
Complete list of divisors:
1 3 13 39 169 507 27427 82281 356551 1069653 4635163 13905489
Sum of all divisors σ(n): 20077296
Sum of proper divisors (its aliquot sum) s(n): 6171807
13905489 is a deficient number, because the sum of its proper divisors (6171807) is less than itself. Its deficiency is 7733682

Bases of 13905489

Binary: 110101000010111001010001₂
Hexadecimal: 0xD42E51
Base-36: 8A1JL

Squares and roots of 13905489

13905489 squared (13905489²) is 193362624329121
13905489 cubed (13905489³) is 2688801845619724445169
The square root of 13905489 is 3729.0064360363
The cube root of 13905489 is 240.4706562689

Scales and comparisons

How big is 13905489?

13,905,489 seconds is equal to 22 weeks, 6 days, 22 hours, 38 minutes, 9 seconds.
To count from 1 to 13,905,489 would take you about thirty-four weeks!

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 13905489 cubic inches would be around 20 feet tall.

Recreational maths with 13905489

13905489 backwards is 98450931
13905489 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 13905489's digits is 39
More coming soon!

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The information we have on file for 13905489 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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