28727404730640

Names of 28727404730640

• Cardinal: 28727404730640 can be written as Twenty-eight trillion, seven hundred twenty-seven billion, four hundred four million, seven hundred thirty thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.872740473064 × 10¹³

Factors of 28727404730640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2608

Divisors of 28727404730640

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 33 35 36 40 42 44 45 48 55 56 60 63 66 70 72 77 80 84 88 90 99 105 110 112 120 126 132 140 144 154 165 168 176 180 198 210 220 231 240 252 264 280 308 315 330 336 360 385 396 420 440 462 495 499 504 528 560 616 630 660 693 720 770 792 840 880 924 990 998 1008 1155 1232 1260 1320 1386 1497 1540 1584 1680 1848 1980 1996 2081 2310 2495 2520 2640 2772 2994 3080 3465 3493 3696 3960 3992 4162 4491 4620 4990 5040 5489 5544 5988 6160 6243 6930 6986 7485 7920 7984 8324 8982 9240 9980 10405 10479 10978 11088 11976 12486 13860 13972 14567 14970 16467 16648 17465 17964 18480 18729 19960 20810 20958 21956 22455 22891 23952 24972 27445 27720 27944 29134 29940 31215 31437 32934 33296 34930 35928 37458 38423 39920 41620 41916 43701 43912 44910 45782 49401 49944 52395 54890 55440 55888 58268 59880 62430 62874 65868 68673 69860 71856 72835 74916 76846 82335 83240 83832 87402 87824 89820 91564 93645 98802 99888 104790 109780 114455 115269 116536 119760 124860 125748 131103 131736 137346 139720 145670 149832 153692 157185 160237 164670 166480 167664 174804 179640 183128 187290 192115 197604 206019 209580 218505 219560 228910 230538 233072 247005 249001 249720 251496 262206 263472 274692 279440 291340 299664 307384 314370 320474 329340 343365 345807 349608 359280 366256 374580 384230 395208 412038 419160 437010 439120 457820 461076 480711 494010 498002 499440 502992 524412 549384 576345 582680 614768 628740 640948 655515 658680 686730 691614 699216 747003 749160 768460 790416 801185 824076 838320 874020 915640 922152 961422 988020 996004 1030095 1038419 1048824 1098768 1152690 1165360 1245005 1257480 1281896 1311030 1317360 1373460 1383228 1442133 1494006 1498320 1536920 1602370 1648152 1729035 1743007 1748040 1831280 1844304 1922844 1976040 1992008 2060190 2076838 2097648 2241009 2305380 2403555 2490010 2514960 2563792 2622060 2739011 2746920 2766456 2884266 2988012 3073840 3115257 3204740 3296304 3458070 3486014 3496080 3735015 3845688 3952080 3984016 4120380 4153676 4482018 4610760 4807110 4980020 5192095 5229021 5244120 5478022 5493840 5532912 5768532 5976024 6230514 6409480 6916140 6972028 7210665 7268933 7470030 7691376 8217033 8240760 8307352 8715035 8964036 9221520 9345771 9614220 9960040 10384190 10458042 10488240 10956044 11205045 11422609 11537064 11952048 12461028 12818960 13695055 13832280 13944056 14421330 14537866 14940060 15576285 15687063 16434066 16481520 16614704 17430070 17928072 18691542 19173077 19228440 19920080 20768380 20916084 21806799 21912088 22410090 22845218 23074128 24651099 24922056 26145105 27390110 27664560 27888112 28842660 29075732 29880120 31152570 31374126 32868132 34267827 34860140 35856144 36344665 37383084 38346154 38456880 41085165 41536760 41832168 43613598 43824176 44820180 45690436 46728855 49302198 49844112 52290210 54780220 57113045 57519231 57685320 58151464 59760240 62305140 62748252 65420397 65736264 68535654 69720280 72689330 74766168 76692308 78435315 79958263 82170330 83073520 83664336 87227196 89640360 91380872 93457710 95865385 98604396 102803481 104580420 109033995 109560440 114226090 115038462 115370640 116302928 123255495 124610280 125496504 130840794 131472528 137071308 139440560 145378660 149532336 153384616 156870630 159916526 164340660 171339135 172557693 174454392 179280720 182761744 186915420 191730770 197208792 205606962 209160840 218067990 219120880 228452180 230076924 239874789 246510990 249220560 250993008 261681588 274142616 287596155 290757320 306769232 313741260 319833052 327101985 328681320 342678270 345115386 348908784 373830840 383461540 394417584 399791315 411213924 418321680 436135980 456904360 460153848 479749578 493021980 514017405 518171081 523363176 548285232 575192310 581514640 627482520 639666104 654203970 657362640 685356540 690230772 719624367 747661680 766923080 799582630 822427848 862788465 872271960 913808720 920307696 959499156 986043960 1028034810 1036342162 1046726352 1150384620 1199373945 1254965040 1279332208 1308407940 1370713080 1380461544 1439248734 1533846160 1554513243 1599165260 1644855696 1725576930 1744543920 1918998312 1972087920 2056069620 2072684324 2300769240 2398747890 2590855405 2616815880 2741426160 2760923088 2878497468 3109026486 3198330520 3451153860 3598121835 3627197567 3837996624 4112139240 4145368648 4601538480 4663539729 4797495780 5181710810 5233631760 5699881891 5756994936 6218052972 6396661040 6902307720 7196243670 7254395134 7772566215 8224278480 8290737296 9327079458 9594991560 10363421620 10881592701 11399763782 11513989872 12436105944 13804615440 14392487340 14508790268 15545132430 17099645673 18135987835 18654158916 19189983120 20726843240 21763185402 22799527564 23317698645 24872211888 28499409455 28784974680 29017580536 31090264860 32644778103 34199291346 36271975670 37308317832 39899173237 41453686480 43526370804 45599055128 46635397290 51298937019 54407963505 56998818910 57569949360 58035161072 62180529720 65289556206 68398582692 72543951340 74616635664 79798346474 85498228365 87052741608 91198110256 93270794580 102597874038 108815927010 113997637820 119697519711 124361059440 130579112412 136797165384 145087902680 159596692948 163223890515 170996456730 174105483216 186541589160 199495866185 205195748076 217631854020 227995275640 239395039422 256494685095 261158224824 273594330768 290175805360 319193385896 326447781030 341992913460 359092559133 373083178320 398991732370 410391496152 435263708040 455990551280 478790078844 512989370190 522316449648 598487598555 638386771792 652895562060 683985826920 718185118266 797983464740 820782992304 870527416080 957580157688 1025978740380 1196975197110 1305791124120 1367971653840 1436370236532 1595966929480 1795462795665 1915160315376 2051957480760 2393950394220 2611582248240 2872740473064 3191933858960 3590925591330 4103914961520 4787900788440 5745480946128 7181851182660 9575801576880 14363702365320 28727404730640
• Sum of all divisors σ(n): 120581462042496
• Sum of proper divisors (its aliquot sum) s(n): 91854057311856
• 28727404730640 is an abundant number, because the sum of its proper divisors (91854057311856) is greater than itself. Its abundance is 63126652581216

Bases of 28727404730640

• Binary: 110100010000010011110110000010001100100010000₂
• Hexadecimal: 0x1A209EC11910
• Base-36: A6L6R21W0

Squares and roots of 28727404730640

• 28727404730640 squared (28727404730640²) is 825263782557997450954809600
• 28727404730640 cubed (28727404730640³) is 23707686691082476292724258687900486144000
• The square root of 28727404730640 is 5359795.2134983665
• The cube root of 28727404730640 is 30626.6007924087

Scales and comparisons

• 28,727,404,730,640 seconds is equal to 913,442 years, 31 weeks, 5 days, 7 hours, 24 minutes.
• To count from 1 to 28,727,404,730,640 would take you about two million, two hundred eighty-three thousand, six hundred 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 28727404730640 cubic inches would be around 2552.2 feet tall.

Recreational maths with 28727404730640

• 28727404730640 backwards is 04603740472782
• The number of decimal digits it has is: 14
• The sum of 28727404730640's digits is 54
• More coming soon!