21744730

21,744,730 is an even composite number composed of five prime numbers multiplied together.

What does the number 21744730 look like?

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

21744730 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 21744730:

2 × 5 × 7² × 199 × 223

(2 × 5 × 7 × 7 × 199 × 223)

See below for interesting mathematical facts about the number 21744730 from the Numbermatics database.

Names of 21744730

Cardinal: 21744730 can be written as Twenty-one million, seven hundred forty-four thousand, seven hundred thirty.

Scientific notation

Scientific notation: 2.174473 × 10⁷

Factors of 21744730

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 436

Divisors of 21744730

Number of divisors d(n): 48
Complete list of divisors:
1 2 5 7 10 14 35 49 70 98 199 223 245 398 446 490 995 1115 1393 1561 1990 2230 2786 3122 6965 7805 9751 10927 13930 15610 19502 21854 44377 48755 54635 88754 97510 109270 221885 310639 443770 621278 1553195 2174473 3106390 4348946 10872365 21744730
Sum of all divisors σ(n): 45964800
Sum of proper divisors (its aliquot sum) s(n): 24220070
21744730 is an abundant number, because the sum of its proper divisors (24220070) is greater than itself. Its abundance is 2475340

Bases of 21744730

Binary: 1010010111100110001011010₂
Hexadecimal: 0x14BCC5A
Base-36: CY2CA

Squares and roots of 21744730

21744730 squared (21744730²) is 472833282772900
21744730 cubed (21744730³) is 10281632068910361817000
The square root of 21744730 is 4663.1244890097
The cube root of 21744730 is 279.1159617819

Scales and comparisons

How big is 21744730?

21,744,730 seconds is equal to 35 weeks, 6 days, 16 hours, 12 minutes, 10 seconds.
To count from 1 to 21,744,730 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 21744730 cubic inches would be around 23.3 feet tall.

Recreational maths with 21744730

21744730 backwards is 03744712
The number of decimal digits it has is: 8
The sum of 21744730's digits is 28
More coming soon!

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The information we have on file for 21744730 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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