28788656

28,788,656 is an even composite number composed of three prime numbers multiplied together.

What does the number 28788656 look like?

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

28788656 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 28788656:

2⁴ × 13 × 138407

(2 × 2 × 2 × 2 × 13 × 138407)

See below for interesting mathematical facts about the number 28788656 from the Numbermatics database.

Names of 28788656

Cardinal: 28788656 can be written as Twenty-eight million, seven hundred eighty-eight thousand, six hundred fifty-six.

Scientific notation

Scientific notation: 2.8788656 × 10⁷

Factors of 28788656

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 138422

Divisors of 28788656

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 13 16 26 52 104 208 138407 276814 553628 1107256 1799291 2214512 3598582 7197164 14394328 28788656
Sum of all divisors σ(n): 60069072
Sum of proper divisors (its aliquot sum) s(n): 31280416
28788656 is an abundant number, because the sum of its proper divisors (31280416) is greater than itself. Its abundance is 2491760

Bases of 28788656

Binary: 1101101110100011110110000₂
Hexadecimal: 0x1B747B0
Base-36: H51GW

Squares and roots of 28788656

28788656 squared (28788656²) is 828786714286336
28788656 cubed (28788656³) is 23859655614959612604416
The square root of 28788656 is 5365.5061271049
The cube root of 28788656 is 306.4835222361

Scales and comparisons

How big is 28788656?

28,788,656 seconds is equal to 47 weeks, 4 days, 4 hours, 50 minutes, 56 seconds.
To count from 1 to 28,788,656 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 28788656 cubic inches would be around 25.5 feet tall.

Recreational maths with 28788656

28788656 backwards is 65688782
The number of decimal digits it has is: 8
The sum of 28788656's digits is 50
More coming soon!

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The information we have on file for 28788656 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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