21897342

21,897,342 is an even composite number composed of four prime numbers multiplied together.

What does the number 21897342 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

21897342 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21897342:

2 × 3² × 67² × 271

(2 × 3 × 3 × 67 × 67 × 271)

See below for interesting mathematical facts about the number 21897342 from the Numbermatics database.

Names of 21897342

Cardinal: 21897342 can be written as Twenty-one million, eight hundred ninety-seven thousand, three hundred forty-two.

Scientific notation

Scientific notation: 2.1897342 × 10⁷

Factors of 21897342

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 343

Divisors of 21897342

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 6 9 18 67 134 201 271 402 542 603 813 1206 1626 2439 4489 4878 8978 13467 18157 26934 36314 40401 54471 80802 108942 163413 326826 1216519 2433038 3649557 7299114 10948671 21897342
Sum of all divisors σ(n): 48340656
Sum of proper divisors (its aliquot sum) s(n): 26443314
21897342 is an abundant number, because the sum of its proper divisors (26443314) is greater than itself. Its abundance is 4545972

Bases of 21897342

Binary: 1010011100010000001111110₂
Hexadecimal: 0x14E207E
Base-36: D1C3I

Squares and roots of 21897342

21897342 squared (21897342²) is 479493586664964
21897342 cubed (21897342³) is 10499635054009356125688
The square root of 21897342 is 4679.4595841827
The cube root of 21897342 is 279.7674174025

Scales and comparisons

How big is 21897342?

21,897,342 seconds is equal to 36 weeks, 1 day, 10 hours, 35 minutes, 42 seconds.
To count from 1 to 21,897,342 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 21897342 cubic inches would be around 23.3 feet tall.

Recreational maths with 21897342

21897342 backwards is 24379812
The number of decimal digits it has is: 8
The sum of 21897342's digits is 36
More coming soon!

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The information we have on file for 21897342 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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