28378251

28,378,251 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28378251 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

28378251 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28378251:

3² × 11³ × 23 × 103

(3 × 3 × 11 × 11 × 11 × 23 × 103)

See below for interesting mathematical facts about the number 28378251 from the Numbermatics database.

Names of 28378251

Cardinal: 28378251 can be written as Twenty-eight million, three hundred seventy-eight thousand, two hundred fifty-one.

Scientific notation

Scientific notation: 2.8378251 × 10⁷

Factors of 28378251

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 140

Divisors of 28378251

Number of divisors d(n): 48
Complete list of divisors:
1 3 9 11 23 33 69 99 103 121 207 253 309 363 759 927 1089 1133 1331 2277 2369 2783 3399 3993 7107 8349 10197 11979 12463 21321 25047 26059 30613 37389 78177 91839 112167 137093 234531 275517 286649 411279 859947 1233837 2579841 3153139 9459417 28378251
Sum of all divisors σ(n): 47503872
Sum of proper divisors (its aliquot sum) s(n): 19125621
28378251 is a deficient number, because the sum of its proper divisors (19125621) is less than itself. Its deficiency is 9252630

Bases of 28378251

Binary: 1101100010000010010001011₂
Hexadecimal: 0x1B1048B
Base-36: GW8SR

Squares and roots of 28378251

28378251 squared (28378251²) is 805325129819001
28378251 cubed (28378251³) is 22853718670611194947251
The square root of 28378251 is 5327.1240834057
The cube root of 28378251 is 305.0201581231

Scales and comparisons

How big is 28378251?

28,378,251 seconds is equal to 46 weeks, 6 days, 10 hours, 50 minutes, 51 seconds.
To count from 1 to 28,378,251 would take you about eighteen 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 28378251 cubic inches would be around 25.4 feet tall.

Recreational maths with 28378251

28378251 backwards is 15287382
The number of decimal digits it has is: 8
The sum of 28378251's digits is 36
More coming soon!

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The information we have on file for 28378251 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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