21429312

21,429,312 is an even composite number composed of three prime numbers multiplied together.

What does the number 21429312 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

21429312 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 21429312:

2⁶ × 3 × 111611

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 111611)

See below for interesting mathematical facts about the number 21429312 from the Numbermatics database.

Names of 21429312

Cardinal: 21429312 can be written as Twenty-one million, four hundred twenty-nine thousand, three hundred twelve.

Scientific notation

Scientific notation: 2.1429312 × 10⁷

Factors of 21429312

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 111616

Divisors of 21429312

Number of divisors d(n): 28
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 96 192 111611 223222 334833 446444 669666 892888 1339332 1785776 2678664 3571552 5357328 7143104 10714656 21429312
Sum of all divisors σ(n): 56698896
Sum of proper divisors (its aliquot sum) s(n): 35269584
21429312 is an abundant number, because the sum of its proper divisors (35269584) is greater than itself. Its abundance is 13840272

Bases of 21429312

Binary: 1010001101111110001000000₂
Hexadecimal: 0x146FC40
Base-36: CRAYO

Squares and roots of 21429312

21429312 squared (21429312²) is 459215412793344
21429312 cubed (21429312³) is 9840670355957360099328
The square root of 21429312 is 4629.1804890283
The cube root of 21429312 is 277.7598118633

Scales and comparisons

How big is 21429312?

21,429,312 seconds is equal to 35 weeks, 3 days, 35 minutes, 12 seconds.
To count from 1 to 21,429,312 would take you about fifty-two minutes!

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 21429312 cubic inches would be around 23.1 feet tall.

Recreational maths with 21429312

21429312 backwards is 21392412
21429312 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21429312's digits is 24
More coming soon!

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The information we have on file for 21429312 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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