13128849

13,128,849 is an odd composite number composed of three prime numbers multiplied together.

What does the number 13128849 look like?

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

13128849 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 13128849:

3² × 491 × 2971

(3 × 3 × 491 × 2971)

See below for interesting mathematical facts about the number 13128849 from the Numbermatics database.

Names of 13128849

Cardinal: 13128849 can be written as Thirteen million, one hundred twenty-eight thousand, eight hundred forty-nine.

Scientific notation

Scientific notation: 1.3128849 × 10⁷

Factors of 13128849

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 3465

Divisors of 13128849

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 491 1473 2971 4419 8913 26739 1458761 4376283 13128849
Sum of all divisors σ(n): 19008912
Sum of proper divisors (its aliquot sum) s(n): 5880063
13128849 is a deficient number, because the sum of its proper divisors (5880063) is less than itself. Its deficiency is 7248786

Bases of 13128849

Binary: 110010000101010010010001₂
Hexadecimal: 0xC85491
Base-36: 7TEA9

Squares and roots of 13128849

13128849 squared (13128849²) is 172366676064801
13128849 cubed (13128849³) is 2262976062686686544049
The square root of 13128849 is 3623.3753600751
The cube root of 13128849 is 235.9077550531

Scales and comparisons

How big is 13128849?

13,128,849 seconds is equal to 21 weeks, 4 days, 22 hours, 54 minutes, 9 seconds.
To count from 1 to 13,128,849 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 13128849 cubic inches would be around 19.7 feet tall.

Recreational maths with 13128849

13128849 backwards is 94882131
The number of decimal digits it has is: 8
The sum of 13128849's digits is 36
More coming soon!

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The information we have on file for 13128849 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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