13909385

13,909,385 is an odd composite number composed of three prime numbers multiplied together.

What does the number 13909385 look like?

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

13909385 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 13909385:

5 × 7² × 56773

(5 × 7 × 7 × 56773)

See below for interesting mathematical facts about the number 13909385 from the Numbermatics database.

Names of 13909385

Cardinal: 13909385 can be written as Thirteen million, nine hundred nine thousand, three hundred eighty-five.

Scientific notation

Scientific notation: 1.3909385 × 10⁷

Factors of 13909385

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 56785

Divisors of 13909385

Number of divisors d(n): 12
Complete list of divisors:
1 5 7 35 49 245 56773 283865 397411 1987055 2781877 13909385
Sum of all divisors σ(n): 19416708
Sum of proper divisors (its aliquot sum) s(n): 5507323
13909385 is a deficient number, because the sum of its proper divisors (5507323) is less than itself. Its deficiency is 8402062

Bases of 13909385

Binary: 110101000011110110001001₂
Hexadecimal: 0xD43D89
Base-36: 8A4JT

Squares and roots of 13909385

13909385 squared (13909385²) is 193470991078225
13909385 cubed (13909385³) is 2691062501238596641625
The square root of 13909385 is 3729.5287906113
The cube root of 13909385 is 240.4931122981

Scales and comparisons

How big is 13909385?

13,909,385 seconds is equal to 22 weeks, 6 days, 23 hours, 43 minutes, 5 seconds.
To count from 1 to 13,909,385 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 13909385 cubic inches would be around 20 feet tall.

Recreational maths with 13909385

13909385 backwards is 58390931
The number of decimal digits it has is: 8
The sum of 13909385's digits is 38
More coming soon!

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The information we have on file for 13909385 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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