21942284

21,942,284 is an even composite number composed of four prime numbers multiplied together.

What does the number 21942284 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

21942284 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21942284:

2² × 7 × 13² × 4637

(2 × 2 × 7 × 13 × 13 × 4637)

See below for interesting mathematical facts about the number 21942284 from the Numbermatics database.

Names of 21942284

Cardinal: 21942284 can be written as Twenty-one million, nine hundred forty-two thousand, two hundred eighty-four.

Scientific notation

Scientific notation: 2.1942284 × 10⁷

Factors of 21942284

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 4659

Divisors of 21942284

Number of divisors d(n): 36
Complete list of divisors:
1 2 4 7 13 14 26 28 52 91 169 182 338 364 676 1183 2366 4637 4732 9274 18548 32459 60281 64918 120562 129836 241124 421967 783653 843934 1567306 1687868 3134612 5485571 10971142 21942284
Sum of all divisors σ(n): 47530224
Sum of proper divisors (its aliquot sum) s(n): 25587940
21942284 is an abundant number, because the sum of its proper divisors (25587940) is greater than itself. Its abundance is 3645656

Bases of 21942284

Binary: 1010011101101000000001100₂
Hexadecimal: 0x14ED00C
Base-36: D2ARW

Squares and roots of 21942284

21942284 squared (21942284²) is 481463827136656
21942284 cubed (21942284³) is 10564416030759412762304
The square root of 21942284 is 4684.2591730177
The cube root of 21942284 is 279.9586843801

Scales and comparisons

How big is 21942284?

21,942,284 seconds is equal to 36 weeks, 1 day, 23 hours, 4 minutes, 44 seconds.
To count from 1 to 21,942,284 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 21942284 cubic inches would be around 23.3 feet tall.

Recreational maths with 21942284

21942284 backwards is 48224912
The number of decimal digits it has is: 8
The sum of 21942284's digits is 32
More coming soon!

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The information we have on file for 21942284 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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