21528364

21,528,364 is an even composite number composed of five prime numbers multiplied together.

What does the number 21528364 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21528364 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21528364:

2² × 11 × 13 × 61 × 617

(2 × 2 × 11 × 13 × 61 × 617)

See below for interesting mathematical facts about the number 21528364 from the Numbermatics database.

Names of 21528364

Cardinal: 21528364 can be written as Twenty-one million, five hundred twenty-eight thousand, three hundred sixty-four.

Scientific notation

Scientific notation: 2.1528364 × 10⁷

Factors of 21528364

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 704

Divisors of 21528364

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 11 13 22 26 44 52 61 122 143 244 286 572 617 671 793 1234 1342 1586 2468 2684 3172 6787 8021 8723 13574 16042 17446 27148 32084 34892 37637 75274 88231 150548 176462 352924 414007 489281 828014 978562 1656028 1957124 5382091 10764182 21528364
Sum of all divisors σ(n): 45059616
Sum of proper divisors (its aliquot sum) s(n): 23531252
21528364 is an abundant number, because the sum of its proper divisors (23531252) is greater than itself. Its abundance is 2002888

Bases of 21528364

Binary: 1010010000111111100101100₂
Hexadecimal: 0x1487F2C
Base-36: CTFE4

Squares and roots of 21528364

21528364 squared (21528364²) is 463470456516496
21528364 cubed (21528364³) is 9977760691133297892544
The square root of 21528364 is 4639.8668084331
The cube root of 21528364 is 278.1871141663

Scales and comparisons

How big is 21528364?

21,528,364 seconds is equal to 35 weeks, 4 days, 4 hours, 6 minutes, 4 seconds.
To count from 1 to 21,528,364 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 21528364 cubic inches would be around 23.2 feet tall.

Recreational maths with 21528364

21528364 backwards is 46382512
The number of decimal digits it has is: 8
The sum of 21528364's digits is 31
More coming soon!

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The information we have on file for 21528364 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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