21264016

21,264,016 is an even composite number composed of four prime numbers multiplied together.

What does the number 21264016 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

21264016 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 21264016:

2⁴ × 31 × 43 × 997

(2 × 2 × 2 × 2 × 31 × 43 × 997)

See below for interesting mathematical facts about the number 21264016 from the Numbermatics database.

Names of 21264016

Cardinal: 21264016 can be written as Twenty-one million, two hundred sixty-four thousand and sixteen.

Scientific notation

Scientific notation: 2.1264016 × 10⁷

Factors of 21264016

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 1073

Divisors of 21264016

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 8 16 31 43 62 86 124 172 248 344 496 688 997 1333 1994 2666 3988 5332 7976 10664 15952 21328 30907 42871 61814 85742 123628 171484 247256 342968 494512 685936 1329001 2658002 5316004 10632008 21264016
Sum of all divisors σ(n): 43560704
Sum of proper divisors (its aliquot sum) s(n): 22296688
21264016 is an abundant number, because the sum of its proper divisors (22296688) is greater than itself. Its abundance is 1032672

Bases of 21264016

Binary: 1010001000111011010010000₂
Hexadecimal: 0x1447690
Base-36: CNRF4

Squares and roots of 21264016

21264016 squared (21264016²) is 452158376448256
21264016 cubed (21264016³) is 9614702951329738756096
The square root of 21264016 is 4611.2922266975
The cube root of 21264016 is 277.0437965913

Scales and comparisons

How big is 21264016?

21,264,016 seconds is equal to 35 weeks, 1 day, 2 hours, 40 minutes, 16 seconds.
To count from 1 to 21,264,016 would take you about five 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 21264016 cubic inches would be around 23.1 feet tall.

Recreational maths with 21264016

21264016 backwards is 61046212
The number of decimal digits it has is: 8
The sum of 21264016's digits is 22
More coming soon!

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The information we have on file for 21264016 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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