28666816

28,666,816 is an even composite number composed of three prime numbers multiplied together.

What does the number 28666816 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

28666816 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 28666816:

2⁶ × 31 × 14449

(2 × 2 × 2 × 2 × 2 × 2 × 31 × 14449)

See below for interesting mathematical facts about the number 28666816 from the Numbermatics database.

Names of 28666816

Cardinal: 28666816 can be written as Twenty-eight million, six hundred sixty-six thousand, eight hundred sixteen.

Scientific notation

Scientific notation: 2.8666816 × 10⁷

Factors of 28666816

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 14482

Divisors of 28666816

Number of divisors d(n): 28
Complete list of divisors:
1 2 4 8 16 31 32 62 64 124 248 496 992 1984 14449 28898 57796 115592 231184 447919 462368 895838 924736 1791676 3583352 7166704 14333408 28666816
Sum of all divisors σ(n): 58724800
Sum of proper divisors (its aliquot sum) s(n): 30057984
28666816 is an abundant number, because the sum of its proper divisors (30057984) is greater than itself. Its abundance is 1391168

Bases of 28666816

Binary: 1101101010110101111000000₂
Hexadecimal: 0x1B56BC0
Base-36: H2FGG

Squares and roots of 28666816

28666816 squared (28666816²) is 821786339577856
28666816 cubed (28666816³) is 23557997787991915626496
The square root of 28666816 is 5354.1400803491
The cube root of 28666816 is 306.0505420097

Scales and comparisons

How big is 28666816?

28,666,816 seconds is equal to 47 weeks, 2 days, 19 hours, 16 seconds.
To count from 1 to 28,666,816 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 28666816 cubic inches would be around 25.5 feet tall.

Recreational maths with 28666816

28666816 backwards is 61866682
The number of decimal digits it has is: 8
The sum of 28666816's digits is 43
More coming soon!

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The information we have on file for 28666816 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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