21330738

21,330,738 is an even composite number composed of five prime numbers multiplied together.

What does the number 21330738 look like?

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

21330738 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 21330738:

2 × 3² × 11 × 13 × 8287

(2 × 3 × 3 × 11 × 13 × 8287)

See below for interesting mathematical facts about the number 21330738 from the Numbermatics database.

Names of 21330738

Cardinal: 21330738 can be written as Twenty-one million, three hundred thirty thousand, seven hundred thirty-eight.

Scientific notation

Scientific notation: 2.1330738 × 10⁷

Factors of 21330738

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 8316

Divisors of 21330738

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 6 9 11 13 18 22 26 33 39 66 78 99 117 143 198 234 286 429 858 1287 2574 8287 16574 24861 49722 74583 91157 107731 149166 182314 215462 273471 323193 546942 646386 820413 969579 1185041 1640826 1939158 2370082 3555123 7110246 10665369 21330738
Sum of all divisors σ(n): 54302976
Sum of proper divisors (its aliquot sum) s(n): 32972238
21330738 is an abundant number, because the sum of its proper divisors (32972238) is greater than itself. Its abundance is 11641500

Bases of 21330738

Binary: 1010001010111101100110010₂
Hexadecimal: 0x1457B32
Base-36: CP6WI

Squares and roots of 21330738

21330738 squared (21330738²) is 455000383624644
21330738 cubed (21330738³) is 9705493972996771507272
The square root of 21330738 is 4618.5211918967
The cube root of 21330738 is 277.3332623865

Scales and comparisons

How big is 21330738?

21,330,738 seconds is equal to 35 weeks, 1 day, 21 hours, 12 minutes, 18 seconds.
To count from 1 to 21,330,738 would take you about six 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 21330738 cubic inches would be around 23.1 feet tall.

Recreational maths with 21330738

21330738 backwards is 83703312
The number of decimal digits it has is: 8
The sum of 21330738's digits is 27
More coming soon!

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The information we have on file for 21330738 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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