21927942

21,927,942 is an even composite number composed of three prime numbers multiplied together.

What does the number 21927942 look like?

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

21927942 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 21927942:

2 × 3³ × 406073

(2 × 3 × 3 × 3 × 406073)

See below for interesting mathematical facts about the number 21927942 from the Numbermatics database.

Names of 21927942

Cardinal: 21927942 can be written as Twenty-one million, nine hundred twenty-seven thousand, nine hundred forty-two.

Scientific notation

Scientific notation: 2.1927942 × 10⁷

Factors of 21927942

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 406078

Divisors of 21927942

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 6 9 18 27 54 406073 812146 1218219 2436438 3654657 7309314 10963971 21927942
Sum of all divisors σ(n): 48728880
Sum of proper divisors (its aliquot sum) s(n): 26800938
21927942 is an abundant number, because the sum of its proper divisors (26800938) is greater than itself. Its abundance is 4872996

Bases of 21927942

Binary: 1010011101001100000000110₂
Hexadecimal: 0x14E9806
Base-36: D1ZPI

Squares and roots of 21927942

21927942 squared (21927942²) is 480834640355364
21927942 cubed (21927942³) is 10543714105303281180888
The square root of 21927942 is 4682.7280510403
The cube root of 21927942 is 279.8976751955

Scales and comparisons

How big is 21927942?

21,927,942 seconds is equal to 36 weeks, 1 day, 19 hours, 5 minutes, 42 seconds.
To count from 1 to 21,927,942 would take you about two weeks!

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 21927942 cubic inches would be around 23.3 feet tall.

Recreational maths with 21927942

21927942 backwards is 24972912
The number of decimal digits it has is: 8
The sum of 21927942's digits is 36
More coming soon!

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The information we have on file for 21927942 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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