21139001

21,139,001 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21139001 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21139001 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21139001:

13 × 19 × 23 × 61²

(13 × 19 × 23 × 61 × 61)

See below for interesting mathematical facts about the number 21139001 from the Numbermatics database.

Names of 21139001

Cardinal: 21139001 can be written as Twenty-one million, one hundred thirty-nine thousand and one.

Scientific notation

Scientific notation: 2.1139001 × 10⁷

Factors of 21139001

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 116

Divisors of 21139001

Number of divisors d(n): 24
Complete list of divisors:
1 13 19 23 61 247 299 437 793 1159 1403 3721 5681 15067 18239 26657 48373 70699 85583 346541 919087 1112579 1626077 21139001
Sum of all divisors σ(n): 25421760
Sum of proper divisors (its aliquot sum) s(n): 4282759
21139001 is a deficient number, because the sum of its proper divisors (4282759) is less than itself. Its deficiency is 16856242

Bases of 21139001

Binary: 1010000101000111000111001₂
Hexadecimal: 0x1428E39
Base-36: CL2YH

Squares and roots of 21139001

21139001 squared (21139001²) is 446857363278001
21139001 cubed (21139001³) is 9446118249191026417001
The square root of 21139001 is 4597.7169334355
The cube root of 21139001 is 276.4997988943

Scales and comparisons

How big is 21139001?

21,139,001 seconds is equal to 34 weeks, 6 days, 15 hours, 56 minutes, 41 seconds.
To count from 1 to 21,139,001 would take you about two days!

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 21139001 cubic inches would be around 23 feet tall.

Recreational maths with 21139001

21139001 backwards is 10093112
The number of decimal digits it has is: 8
The sum of 21139001's digits is 17
More coming soon!

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The information we have on file for 21139001 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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