21972489

21,972,489 is an odd composite number composed of five prime numbers multiplied together.

What does the number 21972489 look like?

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

21972489 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 21972489:

3 × 7 × 11 × 73 × 1303

See below for interesting mathematical facts about the number 21972489 from the Numbermatics database.

Names of 21972489

Cardinal: 21972489 can be written as Twenty-one million, nine hundred seventy-two thousand, four hundred eighty-nine.

Scientific notation

Scientific notation: 2.1972489 × 10⁷

Factors of 21972489

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 1397

Divisors of 21972489

Number of divisors d(n): 32
Complete list of divisors:
1 3 7 11 21 33 73 77 219 231 511 803 1303 1533 2409 3909 5621 9121 14333 16863 27363 42999 95119 100331 285357 300993 665833 1046309 1997499 3138927 7324163 21972489
Sum of all divisors σ(n): 37054464
Sum of proper divisors (its aliquot sum) s(n): 15081975
21972489 is a deficient number, because the sum of its proper divisors (15081975) is less than itself. Its deficiency is 6890514

Bases of 21972489

Binary: 1010011110100011000001001₂
Hexadecimal: 0x14F4609
Base-36: D2Y2X

Squares and roots of 21972489

21972489 squared (21972489²) is 482790272855121
21972489 cubed (21972489³) is 10608103959616144766169
The square root of 21972489 is 4687.4821599661
The cube root of 21972489 is 280.0870860067

Scales and comparisons

How big is 21972489?

21,972,489 seconds is equal to 36 weeks, 2 days, 7 hours, 28 minutes, 9 seconds.
To count from 1 to 21,972,489 would take you about 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 21972489 cubic inches would be around 23.3 feet tall.

Recreational maths with 21972489

21972489 backwards is 98427912
The number of decimal digits it has is: 8
The sum of 21972489's digits is 42
More coming soon!

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The information we have on file for 21972489 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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