28389984
28,389,984 is an even composite number composed of five prime numbers multiplied together.
28389984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 28389984:
25 × 3 × 7 × 83 × 509
(2 × 2 × 2 × 2 × 2 × 3 × 7 × 83 × 509)See below for interesting mathematical facts about the number 28389984 from the Numbermatics database.
Names of 28389984
- Cardinal: 28389984 can be written as Twenty-eight million, three hundred eighty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.8389984 × 107
Factors of 28389984
Divisors of 28389984
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 83 84 96 112 166 168 224 249 332 336 498 509 581 664 672 996 1018 1162 1328 1527 1743 1992 2036 2324 2656 3054 3486 3563 3984 4072 4648 6108 6972 7126 7968 8144 9296 10689 12216 13944 14252 16288 18592 21378 24432 27888 28504 42247 42756 48864 55776 57008 84494 85512 114016 126741 168988 171024 253482 295729 337976 342048 506964 591458 675952 887187 1013928 1182916 1351904 1774374 2027856 2365832 3548748 4055712 4731664 7097496 9463328 14194992 28389984
- Sum of all divisors σ(n): 86365440
- Sum of proper divisors (its aliquot sum) s(n): 57975456
- 28389984 is an abundant number, because the sum of its proper divisors (57975456) is greater than itself. Its abundance is 29585472
Bases of 28389984
- Binary: 11011000100110010011000002
- Hexadecimal: 0x1B13260
- Base-36: GWHUO
Squares and roots of 28389984
- 28389984 squared (283899842) is 805991191520256
- 28389984 cubed (283899843) is 22882077031401003515904
-
The
square root of 28389984 is 5328.2252204651 -
The
cube root of 28389984 is 305.0621892357
Scales and comparisons
How big is 28389984?- 28,389,984 seconds is equal to 46 weeks, 6 days, 14 hours, 6 minutes, 24 seconds.
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To count from 1 to 28,389,984 would take you about eighteen 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 28389984 cubic inches would be around 25.4 feet tall.
Recreational maths with 28389984
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The information we have on file for 28389984 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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