13640991

13,640,991 is an odd composite number composed of five prime numbers multiplied together.

What does the number 13640991 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

13640991 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 13640991:

3 × 7 × 13 × 29 × 1723

See below for interesting mathematical facts about the number 13640991 from the Numbermatics database.

Names of 13640991

Cardinal: 13640991 can be written as Thirteen million, six hundred forty thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 1.3640991 × 10⁷

Factors of 13640991

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 1775

Divisors of 13640991

Number of divisors d(n): 32
Complete list of divisors:
1 3 7 13 21 29 39 87 91 203 273 377 609 1131 1723 2639 5169 7917 12061 22399 36183 49967 67197 149901 156793 349769 470379 649571 1049307 1948713 4546997 13640991
Sum of all divisors σ(n): 23170560
Sum of proper divisors (its aliquot sum) s(n): 9529569
13640991 is a deficient number, because the sum of its proper divisors (9529569) is less than itself. Its deficiency is 4111422

Bases of 13640991

Binary: 110100000010010100011111₂
Hexadecimal: 0xD0251F
Base-36: 84DGF

Squares and roots of 13640991

13640991 squared (13640991²) is 186076635462081
13640991 cubed (13640991³) is 2538269709648527762271
The square root of 13640991 is 3693.3712242341
The cube root of 13640991 is 238.9362119177

Scales and comparisons

How big is 13640991?

13,640,991 seconds is equal to 22 weeks, 3 days, 21 hours, 9 minutes, 51 seconds.
To count from 1 to 13,640,991 would take you about thirty-three 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 13640991 cubic inches would be around 19.9 feet tall.

Recreational maths with 13640991

13640991 backwards is 19904631
The number of decimal digits it has is: 8
The sum of 13640991's digits is 33
More coming soon!

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The information we have on file for 13640991 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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