21307480

21,307,480 is an even composite number composed of three prime numbers multiplied together.

What does the number 21307480 look like?

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

21307480 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 21307480:

2³ × 5 × 532687

(2 × 2 × 2 × 5 × 532687)

See below for interesting mathematical facts about the number 21307480 from the Numbermatics database.

Names of 21307480

Cardinal: 21307480 can be written as Twenty-one million, three hundred seven thousand, four hundred eighty.

Scientific notation

Scientific notation: 2.130748 × 10⁷

Factors of 21307480

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 532694

Divisors of 21307480

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 532687 1065374 2130748 2663435 4261496 5326870 10653740 21307480
Sum of all divisors σ(n): 47941920
Sum of proper divisors (its aliquot sum) s(n): 26634440
21307480 is an abundant number, because the sum of its proper divisors (26634440) is greater than itself. Its abundance is 5326960

Bases of 21307480

Binary: 1010001010010000001011000₂
Hexadecimal: 0x1452058
Base-36: COOYG

Squares and roots of 21307480

21307480 squared (21307480²) is 454008703950400
21307480 cubed (21307480³) is 9673781379249068992000
The square root of 21307480 is 4616.0025996527
The cube root of 21307480 is 277.2324288261

Scales and comparisons

How big is 21307480?

21,307,480 seconds is equal to 35 weeks, 1 day, 14 hours, 44 minutes, 40 seconds.
To count from 1 to 21,307,480 would take you about five 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 21307480 cubic inches would be around 23.1 feet tall.

Recreational maths with 21307480

21307480 backwards is 08470312
The number of decimal digits it has is: 8
The sum of 21307480's digits is 25
More coming soon!

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The information we have on file for 21307480 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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