21680328

21,680,328 is an even composite number composed of three prime numbers multiplied together.

What does the number 21680328 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

21680328 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21680328:

2³ × 3 × 903347

(2 × 2 × 2 × 3 × 903347)

See below for interesting mathematical facts about the number 21680328 from the Numbermatics database.

Names of 21680328

Cardinal: 21680328 can be written as Twenty-one million, six hundred eighty thousand, three hundred twenty-eight.

Scientific notation

Scientific notation: 2.1680328 × 10⁷

Factors of 21680328

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 903352

Divisors of 21680328

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 4 6 8 12 24 903347 1806694 2710041 3613388 5420082 7226776 10840164 21680328
Sum of all divisors σ(n): 54200880
Sum of proper divisors (its aliquot sum) s(n): 32520552
21680328 is an abundant number, because the sum of its proper divisors (32520552) is greater than itself. Its abundance is 10840224

Bases of 21680328

Binary: 1010010101101000011001000₂
Hexadecimal: 0x14AD0C8
Base-36: CWONC

Squares and roots of 21680328

21680328 squared (21680328²) is 470036622187584
21680328 cubed (21680328³) is 10190548141038898647552
The square root of 21680328 is 4656.2139126119
The cube root of 21680328 is 278.8401340029

Scales and comparisons

How big is 21680328?

21,680,328 seconds is equal to 35 weeks, 5 days, 22 hours, 18 minutes, 48 seconds.
To count from 1 to 21,680,328 would take you about five 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 21680328 cubic inches would be around 23.2 feet tall.

Recreational maths with 21680328

21680328 backwards is 82308612
The number of decimal digits it has is: 8
The sum of 21680328's digits is 30
More coming soon!

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The information we have on file for 21680328 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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