21330990

21,330,990 is an even composite number composed of four prime numbers multiplied together.

What does the number 21330990 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21330990 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21330990:

2 × 3² × 5 × 237011

(2 × 3 × 3 × 5 × 237011)

See below for interesting mathematical facts about the number 21330990 from the Numbermatics database.

Names of 21330990

Cardinal: 21330990 can be written as Twenty-one million, three hundred thirty thousand, nine hundred ninety.

Scientific notation

Scientific notation: 2.133099 × 10⁷

Factors of 21330990

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 237021

Divisors of 21330990

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 5 6 9 10 15 18 30 45 90 237011 474022 711033 1185055 1422066 2133099 2370110 3555165 4266198 7110330 10665495 21330990
Sum of all divisors σ(n): 55460808
Sum of proper divisors (its aliquot sum) s(n): 34129818
21330990 is an abundant number, because the sum of its proper divisors (34129818) is greater than itself. Its abundance is 12798828

Bases of 21330990

Binary: 1010001010111110000101110₂
Hexadecimal: 0x1457C2E
Base-36: CP73I

Squares and roots of 21330990

21330990 squared (21330990²) is 455011134380100
21330990 cubed (21330990³) is 9705837957350569299000
The square root of 21330990 is 4618.5484732759
The cube root of 21330990 is 277.3343545149

Scales and comparisons

How big is 21330990?

21,330,990 seconds is equal to 35 weeks, 1 day, 21 hours, 16 minutes, 30 seconds.
To count from 1 to 21,330,990 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 21330990 cubic inches would be around 23.1 feet tall.

Recreational maths with 21330990

21330990 backwards is 09903312
The number of decimal digits it has is: 8
The sum of 21330990's digits is 27
More coming soon!

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The information we have on file for 21330990 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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