28013447

28,013,447 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28013447 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

28013447 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 28013447:

7² × 11 × 51973

(7 × 7 × 11 × 51973)

See below for interesting mathematical facts about the number 28013447 from the Numbermatics database.

Names of 28013447

Cardinal: 28013447 can be written as Twenty-eight million, thirteen thousand, four hundred forty-seven.

Scientific notation

Scientific notation: 2.8013447 × 10⁷

Factors of 28013447

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 51991

Divisors of 28013447

Number of divisors d(n): 12
Complete list of divisors:
1 7 11 49 77 539 51973 363811 571703 2546677 4001921 28013447
Sum of all divisors σ(n): 35550216
Sum of proper divisors (its aliquot sum) s(n): 7536769
28013447 is a deficient number, because the sum of its proper divisors (7536769) is less than itself. Its deficiency is 20476678

Bases of 28013447

Binary: 1101010110111001110000111₂
Hexadecimal: 0x1AB7387
Base-36: GOFBB

Squares and roots of 28013447

28013447 squared (28013447²) is 784753212821809
28013447 cubed (28013447³) is 21983642535463466865623
The square root of 28013447 is 5292.7730916789
The cube root of 28013447 is 303.7075001363

Scales and comparisons

How big is 28013447?

28,013,447 seconds is equal to 46 weeks, 2 days, 5 hours, 30 minutes, 47 seconds.
To count from 1 to 28,013,447 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 28013447 cubic inches would be around 25.3 feet tall.

Recreational maths with 28013447

28013447 backwards is 74431082
The number of decimal digits it has is: 8
The sum of 28013447's digits is 29
More coming soon!

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The information we have on file for 28013447 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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