28428393819168

Names of 28428393819168

• Cardinal: 28428393819168 can be written as Twenty-eight trillion, four hundred twenty-eight billion, three hundred ninety-three million, eight hundred nineteen thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.8428393819168 × 10¹³

Factors of 28428393819168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 4999

Divisors of 28428393819168

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 81 84 96 98 108 112 126 144 147 162 168 189 196 216 224 243 252 288 294 324 336 378 392 432 441 486 504 567 588 648 672 729 756 784 864 882 972 1008 1134 1176 1296 1323 1458 1512 1568 1701 1764 1944 2016 2268 2352 2592 2646 2916 3024 3402 3528 3888 3969 4536 4704 4987 5103 5292 5832 6048 6804 7056 7776 7938 9072 9974 10206 10584 11664 11907 13608 14112 14961 15876 18144 19948 20412 21168 23328 23814 27216 29922 31752 34909 35721 39896 40824 42336 44883 47628 54432 59844 63504 69818 71442 79792 81648 89766 95256 104727 119688 127008 134649 139636 142884 159584 163296 179532 190512 209454 239376 244363 269298 279272 285768 314181 359064 381024 403947 418908 478752 488726 538596 558544 571536 628362 718128 733089 807894 837816 942543 977452 1077192 1117088 1143072 1211841 1256724 1436256 1466178 1615788 1675632 1885086 1954904 2154384 2199267 2423682 2513448 2827629 2932356 3231576 3351264 3635523 3770172 3909808 4308768 4398534 4847364 5026896 5655258 5864712 6463152 6597801 7271046 7540344 7819616 8482887 8797068 9694728 10053792 11310516 11729424 12926304 13195602 14542092 15080688 16965774 17594136 19389456 19793403 22621032 23458848 24870169 25448661 26391204 29084184 30161376 33931548 35188272 38778912 39586806 45242064 49740338 50897322 52782408 58168368 59380209 67863096 70376544 74610507 79173612 90484128 99480676 101794644 105564816 116336736 118760418 135726192 149221014 158347224 174091183 178140627 198961352 203589288 211129632 223831521 237520836 271452384 298442028 316694448 348182366 356281254 397922704 407178576 447663042 475041672 522273549 596884056 633388896 671494563 696364732 712562508 795845408 814357152 895326084 950083344 1044547098 1193768112 1218638281 1342989126 1392729464 1425125016 1566820647 1790652168 1900166688 2014483689 2089094196 2387536224 2437276562 2685978252 2785458928 2850250032 3133641294 3581304336 3655914843 4028967378 4178188392 4700461941 4874553124 5371956504 5570917856 5700500064 6043451067 6267282588 7162608672 7311829686 8057934756 8356376784 9400923882 9749106248 10743913008 10967744529 12086902134 12534565176 14101385823 14623659372 16115869512 16712753568 18130353201 18801847764 19498212496 21487826016 21935489058 24173804268 25069130352 28202771646 29247318744 32231739024 32903233587 36260706402 37603695528 38996424992 42304157469 43870978116 48347608536 50138260704 56405543292 58494637488 64463478048 65806467174 72521412804 75207391056 84608314938 87741956232 96695217072 98709700761 112811086584 116989274976 126912472407 131612934348 145042825608 150414782112 169216629876 175483912464 193390434144 197419401522 225622173168 253824944814 263225868696 290085651216 296129102283 338433259752 350967824928 394838803044 451244346336 507649889628 526451737392 580171302432 592258204566 676866519504 789677606088 888387306849 1015299779256 1052903474784 1184516409132 1353733039008 1579355212176 1776774613698 2030599558512 2369032818264 3158710424352 3553549227396 4061199117024 4738065636528 7107098454792 9476131273056 14214196909584 28428393819168
• Sum of all divisors σ(n): 97634070844191
• Sum of proper divisors (its aliquot sum) s(n): 69205677025023
• 28428393819168 is an abundant number, because the sum of its proper divisors (69205677025023) is greater than itself. Its abundance is 40777283205855

Bases of 28428393819168

• Binary: 110011101101100000000010100001010110000100000₂
• Hexadecimal: 0x19DB0050AC20
• Base-36: A2RTNOI00

Squares and roots of 28428393819168

• 28428393819168 squared (28428393819168²) is 808173575137709345084212224
• 28428393819168 cubed (28428393819168³) is 22975076668259761580233691993219991109632
• The square root of 28428393819168 is 5331828.3748792965
• The cube root of 28428393819168 is 30519.9703733965

Scales and comparisons

• 28,428,393,819,168 seconds is equal to 903,934 years, 51 weeks, 2 days, 20 hours, 52 minutes, 48 seconds.
• To count from 1 to 28,428,393,819,168 would take you about two million, two hundred fifty-nine thousand, eight hundred thirty-seven 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 28428393819168 cubic inches would be around 2543.3 feet tall.

Recreational maths with 28428393819168

• 28428393819168 backwards is 86191839382482
• 28428393819168 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28428393819168's digits is 72
• More coming soon!