28728678888
28,728,678,888 is an even composite number composed of six prime numbers multiplied together.
28728678888 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 28728678888:
23 × 35 × 7 × 13 × 251 × 647
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 13 × 251 × 647)See below for interesting mathematical facts about the number 28728678888 from the Numbermatics database.
Names of 28728678888
- Cardinal: 28728678888 can be written as Twenty-eight billion, seven hundred twenty-eight million, six hundred seventy-eight thousand, eight hundred eighty-eight.
Scientific notation
- Scientific notation: 2.8728678888 × 1010
Factors of 28728678888
Divisors of 28728678888
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 52 54 56 63 72 78 81 84 91 104 108 117 126 156 162 168 182 189 216 234 243 251 252 273 312 324 351 364 378 468 486 502 504 546 567 647 648 702 728 753 756 819 936 972 1004 1053 1092 1134 1294 1404 1506 1512 1638 1701 1757 1941 1944 2008 2106 2184 2259 2268 2457 2588 2808 3012 3159 3263 3276 3402 3514 3882 4212 4518 4529 4536 4914 5176 5271 5823 6024 6318 6526 6552 6777 6804 7028 7371 7764 8411 8424 9036 9058 9789 9828 10542 11646 12636 13052 13554 13587 13608 14056 14742 15528 15813 16822 17469 18072 18116 19578 19656 20331 21084 22113 22841 23292 25233 25272 26104 27108 27174 29367 29484 31626 33644 34938 36232 39156 40662 40761 42168 44226 45682 46584 47439 50466 52407 54216 54348 58734 58877 58968 60993 63252 67288 68523 69876 75699 78312 81324 81522 88101 88452 91364 94878 100932 104814 108696 117468 117754 121986 122283 126504 137046 139752 142317 151398 157221 162397 162648 163044 176202 176631 176904 182728 189756 201864 205569 209628 227097 234936 235508 243972 244566 264303 274092 284634 302796 314442 324794 326088 352404 353262 366849 379512 411138 419256 426951 454194 471016 487191 487944 489132 528606 529893 548184 569268 605592 616707 628884 649588 681291 704808 706524 733698 792909 822276 853902 908388 974382 978264 1057212 1059786 1100547 1136779 1138536 1233414 1257768 1299176 1362582 1413048 1461573 1467396 1585818 1589679 1644552 1707804 1816776 1850121 1948764 2043873 2111161 2114424 2119572 2201094 2273558 2466828 2725164 2923146 2934792 3171636 3179358 3410337 3415608 3700242 3897528 4087746 4222322 4239144 4384719 4402188 4547116 4769037 4933656 5450328 5550363 5846292 6333483 6343272 6358716 6820674 7400484 8175492 8444644 8769438 8804376 9094232 9538074 10231011 11100726 11692584 12666966 12717432 13154157 13641348 14307111 14778127 14800968 16350984 16889288 17538876 19000449 19076148 20462022 22201452 25333932 26308314 27282696 28614222 29556254 30693033 35077752 38000898 38152296 39462471 40924044 44334381 44402904 50667864 52616628 57001347 57228444 59112508 61386066 76001796 78924942 81848088 88668762 92079099 105233256 114002694 114456888 118225016 122772132 133003143 152003592 157849884 171004041 177337524 184158198 228005388 245544264 266006286 276237297 315699768 342008082 354675048 368316396 399009429 456010776 513012123 532012572 552474594 684016164 736632792 798018858 1026024246 1064025144 1104949188 1197028287 1368032328 1596037716 2052048492 2209898376 2394056574 3192075432 3591084861 4104096984 4788113148 7182169722 9576226296 14364339444 28728678888
- Sum of all divisors σ(n): 99858769920
- Sum of proper divisors (its aliquot sum) s(n): 71130091032
- 28728678888 is an abundant number, because the sum of its proper divisors (71130091032) is greater than itself. Its abundance is 42401412144
Bases of 28728678888
- Binary: 110101100000101110011011001111010002
- Hexadecimal: 0x6B05CD9E8
- Base-36: D74BAI0
Squares and roots of 28728678888
- 28728678888 squared (287286788882) is 825336990649816916544
- 28728678888 cubed (287286788883) is 23710841378766848651382870723072
-
The
square root of 28728678888 is 169495.3653879657 -
The
cube root of 28728678888 is 3062.7053583419
Scales and comparisons
How big is 28728678888?- 28,728,678,888 seconds is equal to 913 years, 25 weeks, 20 hours, 34 minutes, 48 seconds.
-
To count from 1 to 28,728,678,888 would take you about one thousand, eight hundred twenty-six years!
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 28728678888 cubic inches would be around 255.2 feet tall.
Recreational maths with 28728678888
- 28728678888 backwards is 88887682782
- 28728678888 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28728678888's digits is 72
- More coming soon!
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The information we have on file for 28728678888 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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