28219438

28,219,438 is an even composite number composed of four prime numbers multiplied together.

What does the number 28219438 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

28219438 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 28219438:

2 × 13 × 43² × 587

(2 × 13 × 43 × 43 × 587)

See below for interesting mathematical facts about the number 28219438 from the Numbermatics database.

Names of 28219438

Cardinal: 28219438 can be written as Twenty-eight million, two hundred nineteen thousand, four hundred thirty-eight.

Scientific notation

Scientific notation: 2.8219438 × 10⁷

Factors of 28219438

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 645

Divisors of 28219438

Number of divisors d(n): 24
Complete list of divisors:
1 2 13 26 43 86 559 587 1118 1174 1849 3698 7631 15262 24037 25241 48074 50482 328133 656266 1085363 2170726 14109719 28219438
Sum of all divisors σ(n): 46749528
Sum of proper divisors (its aliquot sum) s(n): 18530090
28219438 is a deficient number, because the sum of its proper divisors (18530090) is less than itself. Its deficiency is 9689348

Bases of 28219438

Binary: 1101011101001100000101110₂
Hexadecimal: 0x1AE982E
Base-36: GSU9A

Squares and roots of 28219438

28219438 squared (28219438²) is 796336681035844
28219438 cubed (28219438³) is 22472173597616775535672
The square root of 28219438 is 5312.1970972471
The cube root of 28219438 is 304.4500993597

Scales and comparisons

How big is 28219438?

28,219,438 seconds is equal to 46 weeks, 4 days, 14 hours, 43 minutes, 58 seconds.
To count from 1 to 28,219,438 would take you about seventeen 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 28219438 cubic inches would be around 25.4 feet tall.

Recreational maths with 28219438

28219438 backwards is 83491282
The number of decimal digits it has is: 8
The sum of 28219438's digits is 37
More coming soon!

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The information we have on file for 28219438 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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