21528064

21,528,064 is an even composite number composed of three prime numbers multiplied together.

What does the number 21528064 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 40 divisors.

21528064 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 21528064:

2⁹ × 19 × 2213

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 2213)

See below for interesting mathematical facts about the number 21528064 from the Numbermatics database.

Names of 21528064

Cardinal: 21528064 can be written as Twenty-one million, five hundred twenty-eight thousand and sixty-four.

Scientific notation

Scientific notation: 2.1528064 × 10⁷

Factors of 21528064

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 11
Sum of prime factors: 2234

Divisors of 21528064

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 8 16 19 32 38 64 76 128 152 256 304 512 608 1216 2213 2432 4426 4864 8852 9728 17704 35408 42047 70816 84094 141632 168188 283264 336376 566528 672752 1133056 1345504 2691008 5382016 10764032 21528064
Sum of all divisors σ(n): 45298440
Sum of proper divisors (its aliquot sum) s(n): 23770376
21528064 is an abundant number, because the sum of its proper divisors (23770376) is greater than itself. Its abundance is 2242312

Bases of 21528064

Binary: 1010010000111111000000000₂
Hexadecimal: 0x1487E00
Base-36: CTF5S

Squares and roots of 21528064

21528064 squared (21528064²) is 463457539588096
21528064 cubed (21528064³) is 9977343573535064326144
The square root of 21528064 is 4639.8344798063
The cube root of 21528064 is 278.1858219715

Scales and comparisons

How big is 21528064?

21,528,064 seconds is equal to 35 weeks, 4 days, 4 hours, 1 minute, 4 seconds.
To count from 1 to 21,528,064 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 21528064 cubic inches would be around 23.2 feet tall.

Recreational maths with 21528064

21528064 backwards is 46082512
The number of decimal digits it has is: 8
The sum of 21528064's digits is 28
More coming soon!

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The information we have on file for 21528064 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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