21116628

21,116,628 is an even composite number composed of four prime numbers multiplied together.

What does the number 21116628 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

21116628 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21116628:

2² × 3² × 13 × 45121

(2 × 2 × 3 × 3 × 13 × 45121)

See below for interesting mathematical facts about the number 21116628 from the Numbermatics database.

Names of 21116628

Cardinal: 21116628 can be written as Twenty-one million, one hundred sixteen thousand, six hundred twenty-eight.

Scientific notation

Scientific notation: 2.1116628 × 10⁷

Factors of 21116628

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 45139

Divisors of 21116628

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 45121 90242 135363 180484 270726 406089 541452 586573 812178 1173146 1624356 1759719 2346292 3519438 5279157 7038876 10558314 21116628
Sum of all divisors σ(n): 57485428
Sum of proper divisors (its aliquot sum) s(n): 36368800
21116628 is an abundant number, because the sum of its proper divisors (36368800) is greater than itself. Its abundance is 15252172

Bases of 21116628

Binary: 1010000100011011011010100₂
Hexadecimal: 0x14236D4
Base-36: CKLP0

Squares and roots of 21116628

21116628 squared (21116628²) is 445911978090384
21116628 cubed (21116628³) is 9416157362078789305152
The square root of 21116628 is 4595.2832339259
The cube root of 21116628 is 276.4022175923

Scales and comparisons

How big is 21116628?

21,116,628 seconds is equal to 34 weeks, 6 days, 9 hours, 43 minutes, 48 seconds.
To count from 1 to 21,116,628 would take you about two 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 21116628 cubic inches would be around 23 feet tall.

Recreational maths with 21116628

21116628 backwards is 82661112
The number of decimal digits it has is: 8
The sum of 21116628's digits is 27
More coming soon!

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The information we have on file for 21116628 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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