21349128

21,349,128 is an even composite number composed of four prime numbers multiplied together.

What does the number 21349128 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21349128 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21349128:

2³ × 3 × 223 × 3989

(2 × 2 × 2 × 3 × 223 × 3989)

See below for interesting mathematical facts about the number 21349128 from the Numbermatics database.

Names of 21349128

Cardinal: 21349128 can be written as Twenty-one million, three hundred forty-nine thousand, one hundred twenty-eight.

Scientific notation

Scientific notation: 2.1349128 × 10⁷

Factors of 21349128

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 4217

Divisors of 21349128

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 6 8 12 24 223 446 669 892 1338 1784 2676 3989 5352 7978 11967 15956 23934 31912 47868 95736 889547 1779094 2668641 3558188 5337282 7116376 10674564 21349128
Sum of all divisors σ(n): 53625600
Sum of proper divisors (its aliquot sum) s(n): 32276472
21349128 is an abundant number, because the sum of its proper divisors (32276472) is greater than itself. Its abundance is 10927344

Bases of 21349128

Binary: 1010001011100001100001000₂
Hexadecimal: 0x145C308
Base-36: CPL3C

Squares and roots of 21349128

21349128 squared (21349128²) is 455785266360384
21349128 cubed (21349128³) is 9730617992041932145152
The square root of 21349128 is 4620.5116599787
The cube root of 21349128 is 277.4129391691

Scales and comparisons

How big is 21349128?

21,349,128 seconds is equal to 35 weeks, 2 days, 2 hours, 18 minutes, 48 seconds.
To count from 1 to 21,349,128 would take you about six 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 21349128 cubic inches would be around 23.1 feet tall.

Recreational maths with 21349128

21349128 backwards is 82194312
The number of decimal digits it has is: 8
The sum of 21349128's digits is 30
More coming soon!

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The information we have on file for 21349128 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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