21189312

21,189,312 is an even composite number composed of three prime numbers multiplied together.

What does the number 21189312 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 42 divisors.

21189312 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-two divisors.

Prime factorization of 21189312:

2⁶ × 3² × 36787

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 36787)

See below for interesting mathematical facts about the number 21189312 from the Numbermatics database.

Names of 21189312

Cardinal: 21189312 can be written as Twenty-one million, one hundred eighty-nine thousand, three hundred twelve.

Scientific notation

Scientific notation: 2.1189312 × 10⁷

Factors of 21189312

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 36792

Divisors of 21189312

Number of divisors d(n): 42
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 36787 73574 110361 147148 220722 294296 331083 441444 588592 662166 882888 1177184 1324332 1765776 2354368 2648664 3531552 5297328 7063104 10594656 21189312
Sum of all divisors σ(n): 60736988
Sum of proper divisors (its aliquot sum) s(n): 39547676
21189312 is an abundant number, because the sum of its proper divisors (39547676) is greater than itself. Its abundance is 18358364

Bases of 21189312

Binary: 1010000110101001011000000₂
Hexadecimal: 0x14352C0
Base-36: CM5S0

Squares and roots of 21189312

21189312 squared (21189312²) is 448986943033344
21189312 cubed (21189312³) is 9513724419859752419328
The square root of 21189312 is 4603.1849843343
The cube root of 21189312 is 276.7189823811

Scales and comparisons

How big is 21189312?

21,189,312 seconds is equal to 35 weeks, 5 hours, 55 minutes, 12 seconds.
To count from 1 to 21,189,312 would take you about three 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 21189312 cubic inches would be around 23.1 feet tall.

Recreational maths with 21189312

21189312 backwards is 21398112
The number of decimal digits it has is: 8
The sum of 21189312's digits is 27
More coming soon!

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The information we have on file for 21189312 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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