21319470

21,319,470 is an even composite number composed of four prime numbers multiplied together.

What does the number 21319470 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21319470 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21319470:

2 × 3³ × 5 × 281²

(2 × 3 × 3 × 3 × 5 × 281 × 281)

See below for interesting mathematical facts about the number 21319470 from the Numbermatics database.

Names of 21319470

Cardinal: 21319470 can be written as Twenty-one million, three hundred nineteen thousand, four hundred seventy.

Scientific notation

Scientific notation: 2.131947 × 10⁷

Factors of 21319470

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 291

Divisors of 21319470

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 281 562 843 1405 1686 2529 2810 4215 5058 7587 8430 12645 15174 25290 37935 75870 78961 157922 236883 394805 473766 710649 789610 1184415 1421298 2131947 2368830 3553245 4263894 7106490 10659735 21319470
Sum of all divisors σ(n): 57054960
Sum of proper divisors (its aliquot sum) s(n): 35735490
21319470 is an abundant number, because the sum of its proper divisors (35735490) is greater than itself. Its abundance is 14416020

Bases of 21319470

Binary: 1010001010100111100101110₂
Hexadecimal: 0x1454F2E
Base-36: COY7I

Squares and roots of 21319470

21319470 squared (21319470²) is 454519801080900
21319470 cubed (21319470³) is 9690121263550215123000
The square root of 21319470 is 4617.3011597685
The cube root of 21319470 is 277.2844198567

Scales and comparisons

How big is 21319470?

21,319,470 seconds is equal to 35 weeks, 1 day, 18 hours, 4 minutes, 30 seconds.
To count from 1 to 21,319,470 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 21319470 cubic inches would be around 23.1 feet tall.

Recreational maths with 21319470

21319470 backwards is 07491312
21319470 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21319470's digits is 27
More coming soon!

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The information we have on file for 21319470 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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