21179140

21,179,140 is an even composite number composed of four prime numbers multiplied together.

What does the number 21179140 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21179140 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21179140:

2² × 5 × 47 × 22531

(2 × 2 × 5 × 47 × 22531)

See below for interesting mathematical facts about the number 21179140 from the Numbermatics database.

Names of 21179140

Cardinal: 21179140 can be written as Twenty-one million, one hundred seventy-nine thousand, one hundred forty.

Scientific notation

Scientific notation: 2.117914 × 10⁷

Factors of 21179140

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 22585

Divisors of 21179140

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 20 47 94 188 235 470 940 22531 45062 90124 112655 225310 450620 1058957 2117914 4235828 5294785 10589570 21179140
Sum of all divisors σ(n): 45424512
Sum of proper divisors (its aliquot sum) s(n): 24245372
21179140 is an abundant number, because the sum of its proper divisors (24245372) is greater than itself. Its abundance is 3066232

Bases of 21179140

Binary: 1010000110010101100000100₂
Hexadecimal: 0x1432B04
Base-36: CLXXG

Squares and roots of 21179140

21179140 squared (21179140²) is 448555971139600
21179140 cubed (21179140³) is 9500029710601547944000
The square root of 21179140 is 4602.0799645377
The cube root of 21179140 is 276.6746953365

Scales and comparisons

How big is 21179140?

21,179,140 seconds is equal to 35 weeks, 3 hours, 5 minutes, 40 seconds.
To count from 1 to 21,179,140 would take you about three 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 21179140 cubic inches would be around 23.1 feet tall.

Recreational maths with 21179140

21179140 backwards is 04197112
The number of decimal digits it has is: 8
The sum of 21179140's digits is 25
More coming soon!

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The information we have on file for 21179140 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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