28667920

28,667,920 is an even composite number composed of three prime numbers multiplied together.

What does the number 28667920 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

28667920 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 28667920:

2⁴ × 5 × 358349

(2 × 2 × 2 × 2 × 5 × 358349)

See below for interesting mathematical facts about the number 28667920 from the Numbermatics database.

Names of 28667920

Cardinal: 28667920 can be written as Twenty-eight million, six hundred sixty-seven thousand, nine hundred twenty.

Scientific notation

Scientific notation: 2.866792 × 10⁷

Factors of 28667920

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 358356

Divisors of 28667920

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 5 8 10 16 20 40 80 358349 716698 1433396 1791745 2866792 3583490 5733584 7166980 14333960 28667920
Sum of all divisors σ(n): 66653100
Sum of proper divisors (its aliquot sum) s(n): 37985180
28667920 is an abundant number, because the sum of its proper divisors (37985180) is greater than itself. Its abundance is 9317260

Bases of 28667920

Binary: 1101101010111000000010000₂
Hexadecimal: 0x1B57010
Base-36: H2GB4

Squares and roots of 28667920

28667920 squared (28667920²) is 821849637126400
28667920 cubed (28667920³) is 23560719649168665088000
The square root of 28667920 is 5354.2431771447
The cube root of 28667920 is 306.0544707735

Scales and comparisons

How big is 28667920?

28,667,920 seconds is equal to 47 weeks, 2 days, 19 hours, 18 minutes, 40 seconds.
To count from 1 to 28,667,920 would take you about nineteen weeks!

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 28667920 cubic inches would be around 25.5 feet tall.

Recreational maths with 28667920

28667920 backwards is 02976682
28667920 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28667920's digits is 40
More coming soon!

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The information we have on file for 28667920 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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