21288996

21,288,996 is an even composite number composed of three prime numbers multiplied together.

What does the number 21288996 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 27 divisors.

21288996 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-seven divisors.

Prime factorization of 21288996:

2² × 3² × 769²

(2 × 2 × 3 × 3 × 769 × 769)

See below for interesting mathematical facts about the number 21288996 from the Numbermatics database.

Names of 21288996

Cardinal: 21288996 can be written as Twenty-one million, two hundred eighty-eight thousand, nine hundred ninety-six.

Scientific notation

Scientific notation: 2.1288996 × 10⁷

Factors of 21288996

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 774

Divisors of 21288996

Number of divisors d(n): 27
Complete list of divisors:
1 2 3 4 6 9 12 18 36 769 1538 2307 3076 4614 6921 9228 13842 27684 591361 1182722 1774083 2365444 3548166 5322249 7096332 10644498 21288996
Sum of all divisors σ(n): 53883921
Sum of proper divisors (its aliquot sum) s(n): 32594925
21288996 is an abundant number, because the sum of its proper divisors (32594925) is greater than itself. Its abundance is 11305929

Bases of 21288996

Binary: 1010001001101100000100100₂
Hexadecimal: 0x144D824
Base-36: COAP0

Squares and roots of 21288996

21288996 squared (21288996²) is 453221350688016
21288996 cubed (21288996³) is 9648627521911769871936
21288996 is a perfect square number. Its square root is 4614
The cube root of 21288996 is 277.1522402929

Scales and comparisons

How big is 21288996?

21,288,996 seconds is equal to 35 weeks, 1 day, 9 hours, 36 minutes, 36 seconds.
To count from 1 to 21,288,996 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 21288996 cubic inches would be around 23.1 feet tall.

Recreational maths with 21288996

21288996 backwards is 69988212
The number of decimal digits it has is: 8
The sum of 21288996's digits is 45
More coming soon!

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The information we have on file for 21288996 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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