21348530

21,348,530 is an even composite number composed of four prime numbers multiplied together.

What does the number 21348530 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21348530 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21348530:

2 × 5 × 7 × 304979

See below for interesting mathematical facts about the number 21348530 from the Numbermatics database.

Names of 21348530

Cardinal: 21348530 can be written as Twenty-one million, three hundred forty-eight thousand, five hundred thirty.

Scientific notation

Scientific notation: 2.134853 × 10⁷

Factors of 21348530

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 304993

Divisors of 21348530

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 7 10 14 35 70 304979 609958 1524895 2134853 3049790 4269706 10674265 21348530
Sum of all divisors σ(n): 43917120
Sum of proper divisors (its aliquot sum) s(n): 22568590
21348530 is an abundant number, because the sum of its proper divisors (22568590) is greater than itself. Its abundance is 1220060

Bases of 21348530

Binary: 1010001011100000010110010₂
Hexadecimal: 0x145C0B2
Base-36: CPKMQ

Squares and roots of 21348530

21348530 squared (21348530²) is 455759733160900
21348530 cubed (21348530³) is 9729800336177468477000
The square root of 21348530 is 4620.4469480777
The cube root of 21348530 is 277.4103489853

Scales and comparisons

How big is 21348530?

21,348,530 seconds is equal to 35 weeks, 2 days, 2 hours, 8 minutes, 50 seconds.
To count from 1 to 21,348,530 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 21348530 cubic inches would be around 23.1 feet tall.

Recreational maths with 21348530

21348530 backwards is 03584312
The number of decimal digits it has is: 8
The sum of 21348530's digits is 26
More coming soon!

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The information we have on file for 21348530 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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