28723968
28,723,968 is an even composite number composed of five prime numbers multiplied together.
28723968 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 28723968:
28 × 32 × 7 × 13 × 137
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 13 × 137)See below for interesting mathematical facts about the number 28723968 from the Numbermatics database.
Names of 28723968
- Cardinal: 28723968 can be written as Twenty-eight million, seven hundred twenty-three thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 2.8723968 × 107
Factors of 28723968
Divisors of 28723968
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 64 72 78 84 91 96 104 112 117 126 128 137 144 156 168 182 192 208 224 234 252 256 273 274 288 312 336 364 384 411 416 448 468 504 546 548 576 624 672 728 768 819 822 832 896 936 959 1008 1092 1096 1152 1233 1248 1344 1456 1638 1644 1664 1781 1792 1872 1918 2016 2184 2192 2304 2466 2496 2688 2877 2912 3276 3288 3328 3562 3744 3836 4032 4368 4384 4932 4992 5343 5376 5754 5824 6552 6576 7124 7488 7672 8064 8631 8736 8768 9864 9984 10686 11508 11648 12467 13104 13152 14248 14976 15344 16029 16128 17262 17472 17536 19728 21372 23016 23296 24934 26208 26304 28496 29952 30688 32058 34524 34944 35072 37401 39456 42744 46032 49868 52416 52608 56992 61376 64116 69048 69888 74802 78912 85488 92064 99736 104832 105216 112203 113984 122752 128232 138096 149604 157824 170976 184128 199472 209664 224406 227968 245504 256464 276192 299208 315648 341952 368256 398944 448812 455936 512928 552384 598416 683904 736512 797888 897624 1025856 1104768 1196832 1367808 1595776 1795248 2051712 2209536 2393664 3191552 3590496 4103424 4787328 7180992 9574656 14361984 28723968
- Sum of all divisors σ(n): 102674208
- Sum of proper divisors (its aliquot sum) s(n): 73950240
- 28723968 is an abundant number, because the sum of its proper divisors (73950240) is greater than itself. Its abundance is 45226272
Bases of 28723968
- Binary: 11011011001001011000000002
- Hexadecimal: 0x1B64B00
- Base-36: H3NK0
Squares and roots of 28723968
- 28723968 squared (287239682) is 825066337665024
- 28723968 cubed (287239683) is 23699179080967344095232
-
The
square root of 28723968 is 5359.4746011153 -
The
cube root of 28723968 is 306.2537943165
Scales and comparisons
How big is 28723968?- 28,723,968 seconds is equal to 47 weeks, 3 days, 10 hours, 52 minutes, 48 seconds.
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To count from 1 to 28,723,968 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 28723968 cubic inches would be around 25.5 feet tall.
Recreational maths with 28723968
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The information we have on file for 28723968 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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