21490568

21,490,568 is an even composite number composed of three prime numbers multiplied together.

What does the number 21490568 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

21490568 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21490568:

2³ × 11² × 149²

(2 × 2 × 2 × 11 × 11 × 149 × 149)

See below for interesting mathematical facts about the number 21490568 from the Numbermatics database.

Names of 21490568

Cardinal: 21490568 can be written as Twenty-one million, four hundred ninety thousand, five hundred sixty-eight.

Scientific notation

Scientific notation: 2.1490568 × 10⁷

Factors of 21490568

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 162

Divisors of 21490568

Number of divisors d(n): 36
Complete list of divisors:
1 2 4 8 11 22 44 88 121 149 242 298 484 596 968 1192 1639 3278 6556 13112 18029 22201 36058 44402 72116 88804 144232 177608 244211 488422 976844 1953688 2686321 5372642 10745284 21490568
Sum of all divisors σ(n): 44590245
Sum of proper divisors (its aliquot sum) s(n): 23099677
21490568 is an abundant number, because the sum of its proper divisors (23099677) is greater than itself. Its abundance is 1609109

Bases of 21490568

Binary: 1010001111110101110001000₂
Hexadecimal: 0x147EB88
Base-36: CSM88

Squares and roots of 21490568

21490568 squared (21490568²) is 461844512962624
21490568 cubed (21490568³) is 9925300911250152530432
The square root of 21490568 is 4635.7920574591
The cube root of 21490568 is 278.0242202385

Scales and comparisons

How big is 21490568?

21,490,568 seconds is equal to 35 weeks, 3 days, 17 hours, 36 minutes, 8 seconds.
To count from 1 to 21,490,568 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 21490568 cubic inches would be around 23.2 feet tall.

Recreational maths with 21490568

21490568 backwards is 86509412
The number of decimal digits it has is: 8
The sum of 21490568's digits is 35
More coming soon!

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The information we have on file for 21490568 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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