20912742

20,912,742 is an even composite number composed of four prime numbers multiplied together.

What does the number 20912742 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

20912742 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 20912742:

2 × 3⁴ × 167 × 773

(2 × 3 × 3 × 3 × 3 × 167 × 773)

See below for interesting mathematical facts about the number 20912742 from the Numbermatics database.

Names of 20912742

Cardinal: 20912742 can be written as Twenty million, nine hundred twelve thousand, seven hundred forty-two.

Scientific notation

Scientific notation: 2.0912742 × 10⁷

Factors of 20912742

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 945

Divisors of 20912742

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 6 9 18 27 54 81 162 167 334 501 773 1002 1503 1546 2319 3006 4509 4638 6957 9018 13527 13914 20871 27054 41742 62613 125226 129091 258182 387273 774546 1161819 2323638 3485457 6970914 10456371 20912742
Sum of all divisors σ(n): 47201616
Sum of proper divisors (its aliquot sum) s(n): 26288874
20912742 is an abundant number, because the sum of its proper divisors (26288874) is greater than itself. Its abundance is 5376132

Bases of 20912742

Binary: 1001111110001101001100110₂
Hexadecimal: 0x13F1A66
Base-36: CG8DI

Squares and roots of 20912742

20912742 squared (20912742²) is 437342777958564
20912742 cubed (20912742³) is 9146036681010735622488
The square root of 20912742 is 4573.0451561295
The cube root of 20912742 is 275.5097630165

Scales and comparisons

How big is 20912742?

20,912,742 seconds is equal to 34 weeks, 4 days, 1 hour, 5 minutes, 42 seconds.
To count from 1 to 20,912,742 would take you about fifty-one 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 20912742 cubic inches would be around 23 feet tall.

Recreational maths with 20912742

20912742 backwards is 24721902
20912742 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 20912742's digits is 27
More coming soon!

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The information we have on file for 20912742 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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