28138799

28,138,799 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28138799 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

28138799 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 28138799:

13 × 73 × 149 × 199

See below for interesting mathematical facts about the number 28138799 from the Numbermatics database.

Names of 28138799

Cardinal: 28138799 can be written as Twenty-eight million, one hundred thirty-eight thousand, seven hundred ninety-nine.

Scientific notation

Scientific notation: 2.8138799 × 10⁷

Factors of 28138799

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 434

Divisors of 28138799

Number of divisors d(n): 16
Complete list of divisors:
1 13 73 149 199 949 1937 2587 10877 14527 29651 141401 188851 385463 2164523 28138799
Sum of all divisors σ(n): 31080000
Sum of proper divisors (its aliquot sum) s(n): 2941201
28138799 is a deficient number, because the sum of its proper divisors (2941201) is less than itself. Its deficiency is 25197598

Bases of 28138799

Binary: 1101011010101110100101111₂
Hexadecimal: 0x1AD5D2F
Base-36: GR41B

Squares and roots of 28138799

28138799 squared (28138799²) is 791792009162401
28138799 cubed (28138799³) is 22280076195626960096399
The square root of 28138799 is 5304.6016815591
The cube root of 28138799 is 304.1598269391

Scales and comparisons

How big is 28138799?

28,138,799 seconds is equal to 46 weeks, 3 days, 16 hours, 19 minutes, 59 seconds.
To count from 1 to 28,138,799 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 28138799 cubic inches would be around 25.3 feet tall.

Recreational maths with 28138799

28138799 backwards is 99783182
The number of decimal digits it has is: 8
The sum of 28138799's digits is 47
More coming soon!

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The information we have on file for 28138799 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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