28695216

28,695,216 is an even composite number composed of four prime numbers multiplied together.

What does the number 28695216 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

28695216 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 28695216:

2⁴ × 3 × 11 × 54347

(2 × 2 × 2 × 2 × 3 × 11 × 54347)

See below for interesting mathematical facts about the number 28695216 from the Numbermatics database.

Names of 28695216

Cardinal: 28695216 can be written as Twenty-eight million, six hundred ninety-five thousand, two hundred sixteen.

Scientific notation

Scientific notation: 2.8695216 × 10⁷

Factors of 28695216

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 54363

Divisors of 28695216

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 54347 108694 163041 217388 326082 434776 597817 652164 869552 1195634 1304328 1793451 2391268 2608656 3586902 4782536 7173804 9565072 14347608 28695216
Sum of all divisors σ(n): 80869824
Sum of proper divisors (its aliquot sum) s(n): 52174608
28695216 is an abundant number, because the sum of its proper divisors (52174608) is greater than itself. Its abundance is 23479392

Bases of 28695216

Binary: 1101101011101101010110000₂
Hexadecimal: 0x1B5DAB0
Base-36: H31DC

Squares and roots of 28695216

28695216 squared (28695216²) is 823415421286656
28695216 cubed (28695216³) is 23628083371551591837696
The square root of 28695216 is 5356.7915770545
The cube root of 28695216 is 306.1515759793

Scales and comparisons

How big is 28695216?

28,695,216 seconds is equal to 47 weeks, 3 days, 2 hours, 53 minutes, 36 seconds.
To count from 1 to 28,695,216 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 28695216 cubic inches would be around 25.5 feet tall.

Recreational maths with 28695216

28695216 backwards is 61259682
The number of decimal digits it has is: 8
The sum of 28695216's digits is 39
More coming soon!

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The information we have on file for 28695216 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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