21988830

21,988,830 is an even composite number composed of five prime numbers multiplied together.

What does the number 21988830 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

21988830 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21988830:

2 × 3 × 5 × 421 × 1741

See below for interesting mathematical facts about the number 21988830 from the Numbermatics database.

Names of 21988830

Cardinal: 21988830 can be written as Twenty-one million, nine hundred eighty-eight thousand, eight hundred thirty.

Scientific notation

Scientific notation: 2.198883 × 10⁷

Factors of 21988830

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 2172

Divisors of 21988830

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 10 15 30 421 842 1263 1741 2105 2526 3482 4210 5223 6315 8705 10446 12630 17410 26115 52230 732961 1465922 2198883 3664805 4397766 7329610 10994415 21988830
Sum of all divisors σ(n): 52928928
Sum of proper divisors (its aliquot sum) s(n): 30940098
21988830 is an abundant number, because the sum of its proper divisors (30940098) is greater than itself. Its abundance is 8951268

Bases of 21988830

Binary: 1010011111000010111011110₂
Hexadecimal: 0x14F85DE
Base-36: D3AOU

Squares and roots of 21988830

21988830 squared (21988830²) is 483508644768900
21988830 cubed (21988830³) is 10631789393353731387000
The square root of 21988830 is 4689.2248826431
The cube root of 21988830 is 280.1565026445

Scales and comparisons

How big is 21988830?

21,988,830 seconds is equal to 36 weeks, 2 days, 12 hours, 30 seconds.
To count from 1 to 21,988,830 would take you about two weeks!

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 21988830 cubic inches would be around 23.3 feet tall.

Recreational maths with 21988830

21988830 backwards is 03888912
The number of decimal digits it has is: 8
The sum of 21988830's digits is 39
More coming soon!

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The information we have on file for 21988830 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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