21279020

21,279,020 is an even composite number composed of five prime numbers multiplied together.

What does the number 21279020 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21279020 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21279020:

2² × 5 × 7 × 31 × 4903

(2 × 2 × 5 × 7 × 31 × 4903)

See below for interesting mathematical facts about the number 21279020 from the Numbermatics database.

Names of 21279020

Cardinal: 21279020 can be written as Twenty-one million, two hundred seventy-nine thousand and twenty.

Scientific notation

Scientific notation: 2.127902 × 10⁷

Factors of 21279020

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 4948

Divisors of 21279020

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340 4903 9806 19612 24515 34321 49030 68642 98060 137284 151993 171605 303986 343210 607972 686420 759965 1063951 1519930 2127902 3039860 4255804 5319755 10639510 21279020
Sum of all divisors σ(n): 52727808
Sum of proper divisors (its aliquot sum) s(n): 31448788
21279020 is an abundant number, because the sum of its proper divisors (31448788) is greater than itself. Its abundance is 10169768

Bases of 21279020

Binary: 1010001001011000100101100₂
Hexadecimal: 0x144B12C
Base-36: CO2ZW

Squares and roots of 21279020

21279020 squared (21279020²) is 452796692160400
21279020 cubed (21279020³) is 9635069868414994808000
The square root of 21279020 is 4612.9188156741
The cube root of 21279020 is 277.1089424513

Scales and comparisons

How big is 21279020?

21,279,020 seconds is equal to 35 weeks, 1 day, 6 hours, 50 minutes, 20 seconds.
To count from 1 to 21,279,020 would take you about five 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 21279020 cubic inches would be around 23.1 feet tall.

Recreational maths with 21279020

21279020 backwards is 02097212
The number of decimal digits it has is: 8
The sum of 21279020's digits is 23
More coming soon!

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The information we have on file for 21279020 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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