28788984
28,788,984 is an even composite number composed of four prime numbers multiplied together.
28788984 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28788984:
23 × 32 × 7 × 2392
(2 × 2 × 2 × 3 × 3 × 7 × 239 × 239)See below for interesting mathematical facts about the number 28788984 from the Numbermatics database.
Names of 28788984
- Cardinal: 28788984 can be written as Twenty-eight million, seven hundred eighty-eight thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.8788984 × 107
Factors of 28788984
Divisors of 28788984
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 239 252 478 504 717 956 1434 1673 1912 2151 2868 3346 4302 5019 5736 6692 8604 10038 13384 15057 17208 20076 30114 40152 57121 60228 114242 120456 171363 228484 342726 399847 456968 514089 685452 799694 1028178 1199541 1370904 1599388 2056356 2399082 3198776 3598623 4112712 4798164 7197246 9596328 14394492 28788984
- Sum of all divisors σ(n): 89483160
- Sum of proper divisors (its aliquot sum) s(n): 60694176
- 28788984 is an abundant number, because the sum of its proper divisors (60694176) is greater than itself. Its abundance is 31905192
Bases of 28788984
- Binary: 11011011101001000111110002
- Hexadecimal: 0x1B748F8
- Base-36: H51Q0
Squares and roots of 28788984
- 28788984 squared (287889842) is 828805599752256
- 28788984 cubed (287889843) is 23860471150378101947904
-
The
square root of 28788984 is 5365.5366926339 -
The
cube root of 28788984 is 306.4846861925
Scales and comparisons
How big is 28788984?- 28,788,984 seconds is equal to 47 weeks, 4 days, 4 hours, 56 minutes, 24 seconds.
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To count from 1 to 28,788,984 would take you about nineteen 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 28788984 cubic inches would be around 25.5 feet tall.
Recreational maths with 28788984
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The information we have on file for 28788984 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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