21244940

21,244,940 is an even composite number composed of five prime numbers multiplied together.

What does the number 21244940 look like?

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

21244940 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 21244940:

2² × 5 × 47 × 97 × 233

(2 × 2 × 5 × 47 × 97 × 233)

See below for interesting mathematical facts about the number 21244940 from the Numbermatics database.

Names of 21244940

Cardinal: 21244940 can be written as Twenty-one million, two hundred forty-four thousand, nine hundred forty.

Scientific notation

Scientific notation: 2.124494 × 10⁷

Factors of 21244940

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 384

Divisors of 21244940

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 10 20 47 94 97 188 194 233 235 388 466 470 485 932 940 970 1165 1940 2330 4559 4660 9118 10951 18236 21902 22601 22795 43804 45202 45590 54755 90404 91180 109510 113005 219020 226010 452020 1062247 2124494 4248988 5311235 10622470 21244940
Sum of all divisors σ(n): 46230912
Sum of proper divisors (its aliquot sum) s(n): 24985972
21244940 is an abundant number, because the sum of its proper divisors (24985972) is greater than itself. Its abundance is 3741032

Bases of 21244940

Binary: 1010001000010110000001100₂
Hexadecimal: 0x1442C0C
Base-36: CNCP8

Squares and roots of 21244940

21244940 squared (21244940²) is 451347475603600
21244940 cubed (21244940³) is 9588850038349945784000
The square root of 21244940 is 4609.2233619125
The cube root of 21244940 is 276.9609262527

Scales and comparisons

How big is 21244940?

21,244,940 seconds is equal to 35 weeks, 21 hours, 22 minutes, 20 seconds.
To count from 1 to 21,244,940 would take you about four 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 21244940 cubic inches would be around 23.1 feet tall.

Recreational maths with 21244940

21244940 backwards is 04944212
The number of decimal digits it has is: 8
The sum of 21244940's digits is 26
More coming soon!

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The information we have on file for 21244940 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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