21440680

21,440,680 is an even composite number composed of three prime numbers multiplied together.

What does the number 21440680 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

21440680 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21440680:

2³ × 5 × 536017

(2 × 2 × 2 × 5 × 536017)

See below for interesting mathematical facts about the number 21440680 from the Numbermatics database.

Names of 21440680

Cardinal: 21440680 can be written as Twenty-one million, four hundred forty thousand, six hundred eighty.

Scientific notation

Scientific notation: 2.144068 × 10⁷

Factors of 21440680

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 536024

Divisors of 21440680

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 536017 1072034 2144068 2680085 4288136 5360170 10720340 21440680
Sum of all divisors σ(n): 48241620
Sum of proper divisors (its aliquot sum) s(n): 26800940
21440680 is an abundant number, because the sum of its proper divisors (26800940) is greater than itself. Its abundance is 5360260

Bases of 21440680

Binary: 1010001110010100010101000₂
Hexadecimal: 0x14728A8
Base-36: CRJQG

Squares and roots of 21440680

21440680 squared (21440680²) is 459702758862400
21440680 cubed (21440680³) is 9856339747885882432000
The square root of 21440680 is 4630.4081893501
The cube root of 21440680 is 277.8089192937

Scales and comparisons

How big is 21440680?

21,440,680 seconds is equal to 35 weeks, 3 days, 3 hours, 44 minutes, 40 seconds.
To count from 1 to 21,440,680 would take you about five hours!

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 21440680 cubic inches would be around 23.2 feet tall.

Recreational maths with 21440680

21440680 backwards is 08604412
The number of decimal digits it has is: 8
The sum of 21440680's digits is 25
More coming soon!

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The information we have on file for 21440680 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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