28198989
28,198,989 is an odd composite number composed of five prime numbers multiplied together.
28198989 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28198989:
33 × 7 × 13 × 23 × 499
(3 × 3 × 3 × 7 × 13 × 23 × 499)See below for interesting mathematical facts about the number 28198989 from the Numbermatics database.
Names of 28198989
- Cardinal: 28198989 can be written as Twenty-eight million, one hundred ninety-eight thousand, nine hundred eighty-nine.
Scientific notation
- Scientific notation: 2.8198989 × 107
Factors of 28198989
Divisors of 28198989
- Number of divisors d(n): 64
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Complete list of divisors:
1 3 7 9 13 21 23 27 39 63 69 91 117 161 189 207 273 299 351 483 499 621 819 897 1449 1497 2093 2457 2691 3493 4347 4491 6279 6487 8073 10479 11477 13473 18837 19461 31437 34431 45409 56511 58383 80339 94311 103293 136227 149201 175149 241017 309879 408681 447603 723051 1044407 1226043 1342809 2169153 3133221 4028427 9399663 28198989
- Sum of all divisors σ(n): 53760000
- Sum of proper divisors (its aliquot sum) s(n): 25561011
- 28198989 is a deficient number, because the sum of its proper divisors (25561011) is less than itself. Its deficiency is 2637978
Bases of 28198989
- Binary: 11010111001001000010011012
- Hexadecimal: 0x1AE484D
- Base-36: GSEH9
Squares and roots of 28198989
- 28198989 squared (281989892) is 795182980622121
- 28198989 cubed (281989893) is 22423356123550403235669
-
The
square root of 28198989 is 5310.2720269305 -
The
cube root of 28198989 is 304.3765424437
Scales and comparisons
How big is 28198989?- 28,198,989 seconds is equal to 46 weeks, 4 days, 9 hours, 3 minutes, 9 seconds.
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To count from 1 to 28,198,989 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 28198989 cubic inches would be around 25.4 feet tall.
Recreational maths with 28198989
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The information we have on file for 28198989 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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