21742630

21,742,630 is an even composite number composed of five prime numbers multiplied together.

What does the number 21742630 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

21742630 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21742630:

2 × 5 × 7 × 13 × 23893

See below for interesting mathematical facts about the number 21742630 from the Numbermatics database.

Names of 21742630

Cardinal: 21742630 can be written as Twenty-one million, seven hundred forty-two thousand, six hundred thirty.

Scientific notation

Scientific notation: 2.174263 × 10⁷

Factors of 21742630

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 23920

Divisors of 21742630

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 23893 47786 119465 167251 238930 310609 334502 621218 836255 1553045 1672510 2174263 3106090 4348526 10871315 21742630
Sum of all divisors σ(n): 48170304
Sum of proper divisors (its aliquot sum) s(n): 26427674
21742630 is an abundant number, because the sum of its proper divisors (26427674) is greater than itself. Its abundance is 4685044

Bases of 21742630

Binary: 1010010111100010000100110₂
Hexadecimal: 0x14BC426
Base-36: CY0PY

Squares and roots of 21742630

21742630 squared (21742630²) is 472741959316900
21742630 cubed (21742630³) is 10278653506902409447000
The square root of 21742630 is 4662.8993126595
The cube root of 21742630 is 279.1069762731

Scales and comparisons

How big is 21742630?

21,742,630 seconds is equal to 35 weeks, 6 days, 15 hours, 37 minutes, 10 seconds.
To count from 1 to 21,742,630 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 21742630 cubic inches would be around 23.3 feet tall.

Recreational maths with 21742630

21742630 backwards is 03624712
The number of decimal digits it has is: 8
The sum of 21742630's digits is 25
More coming soon!

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The information we have on file for 21742630 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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