28888690

28,888,690 is an even composite number composed of five prime numbers multiplied together.

What does the number 28888690 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

28888690 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28888690:

2 × 5 × 23² × 43 × 127

(2 × 5 × 23 × 23 × 43 × 127)

See below for interesting mathematical facts about the number 28888690 from the Numbermatics database.

Names of 28888690

Cardinal: 28888690 can be written as Twenty-eight million, eight hundred eighty-eight thousand, six hundred ninety.

Scientific notation

Scientific notation: 2.888869 × 10⁷

Factors of 28888690

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 200

Divisors of 28888690

Number of divisors d(n): 48
Complete list of divisors:
1 2 5 10 23 43 46 86 115 127 215 230 254 430 529 635 989 1058 1270 1978 2645 2921 4945 5290 5461 5842 9890 10922 14605 22747 27305 29210 45494 54610 67183 113735 125603 134366 227470 251206 335915 628015 671830 1256030 2888869 5777738 14444345 28888690
Sum of all divisors σ(n): 56060928
Sum of proper divisors (its aliquot sum) s(n): 27172238
28888690 is a deficient number, because the sum of its proper divisors (27172238) is less than itself. Its deficiency is 1716452

Bases of 28888690

Binary: 1101110001100111001110010₂
Hexadecimal: 0x1B8CE72
Base-36: H76NM

Squares and roots of 28888690

28888690 squared (28888690²) is 834556409916100
28888690 cubed (28888690³) is 24109241413579138909000
The square root of 28888690 is 5374.8199969859
The cube root of 28888690 is 306.8380985933

Scales and comparisons

How big is 28888690?

28,888,690 seconds is equal to 47 weeks, 5 days, 8 hours, 38 minutes, 10 seconds.
To count from 1 to 28,888,690 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 28888690 cubic inches would be around 25.6 feet tall.

Recreational maths with 28888690

28888690 backwards is 09688882
The number of decimal digits it has is: 8
The sum of 28888690's digits is 49
More coming soon!

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The information we have on file for 28888690 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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