13019721

13,019,721 is an odd composite number composed of five prime numbers multiplied together.

What does the number 13019721 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

13019721 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 13019721:

3 × 11² × 13 × 31 × 89

(3 × 11 × 11 × 13 × 31 × 89)

See below for interesting mathematical facts about the number 13019721 from the Numbermatics database.

Names of 13019721

Cardinal: 13019721 can be written as Thirteen million, nineteen thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 1.3019721 × 10⁷

Factors of 13019721

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 147

Divisors of 13019721

Number of divisors d(n): 48
Complete list of divisors:
1 3 11 13 31 33 39 89 93 121 143 267 341 363 403 429 979 1023 1157 1209 1573 2759 2937 3471 3751 4433 4719 8277 10769 11253 12727 13299 30349 32307 35867 38181 48763 91047 107601 139997 146289 333839 394537 419991 1001517 1183611 4339907 13019721
Sum of all divisors σ(n): 21450240
Sum of proper divisors (its aliquot sum) s(n): 8430519
13019721 is a deficient number, because the sum of its proper divisors (8430519) is less than itself. Its deficiency is 4589202

Bases of 13019721

Binary: 110001101010101001001001₂
Hexadecimal: 0xC6AA49
Base-36: 7R22X

Squares and roots of 13019721

13019721 squared (13019721²) is 169513134917841
13019721 cubed (13019721³) is 2207013722465647742361
The square root of 13019721 is 3608.2850497155
The cube root of 13019721 is 235.2523078567

Scales and comparisons

How big is 13019721?

13,019,721 seconds is equal to 21 weeks, 3 days, 16 hours, 35 minutes, 21 seconds.
To count from 1 to 13,019,721 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 13019721 cubic inches would be around 19.6 feet tall.

Recreational maths with 13019721

13019721 backwards is 12791031
The number of decimal digits it has is: 8
The sum of 13019721's digits is 24
More coming soon!

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The information we have on file for 13019721 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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