13287729

13,287,729 is an odd composite number composed of four prime numbers multiplied together.

What does the number 13287729 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

13287729 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 13287729:

3 × 7 × 13 × 48673

See below for interesting mathematical facts about the number 13287729 from the Numbermatics database.

Names of 13287729

Cardinal: 13287729 can be written as Thirteen million, two hundred eighty-seven thousand, seven hundred twenty-nine.

Scientific notation

Scientific notation: 1.3287729 × 10⁷

Factors of 13287729

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 48696

Divisors of 13287729

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 13 21 39 91 273 48673 146019 340711 632749 1022133 1898247 4429243 13287729
Sum of all divisors σ(n): 21805952
Sum of proper divisors (its aliquot sum) s(n): 8518223
13287729 is a deficient number, because the sum of its proper divisors (8518223) is less than itself. Its deficiency is 4769506

Bases of 13287729

Binary: 110010101100000100110001₂
Hexadecimal: 0xCAC131
Base-36: 7WSVL

Squares and roots of 13287729

13287729 squared (13287729²) is 176563741977441
13287729 cubed (13287729³) is 2346131154622160121489
The square root of 13287729 is 3645.2337373617
The cube root of 13287729 is 236.8555619045

Scales and comparisons

How big is 13287729?

13,287,729 seconds is equal to 21 weeks, 6 days, 19 hours, 2 minutes, 9 seconds.
To count from 1 to 13,287,729 would take you about thirty-two 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 13287729 cubic inches would be around 19.7 feet tall.

Recreational maths with 13287729

13287729 backwards is 92778231
13287729 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 13287729's digits is 39
More coming soon!

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The information we have on file for 13287729 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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