28438715187792

Names of 28438715187792

• Cardinal: 28438715187792 can be written as Twenty-eight trillion, four hundred thirty-eight billion, seven hundred fifteen million, one hundred eighty-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.8438715187792 × 10¹³

Factors of 28438715187792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 201495

Divisors of 28438715187792

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 19 21 24 26 27 28 36 38 39 42 48 49 52 54 56 57 63 72 76 78 81 84 91 98 104 108 112 114 117 126 133 144 147 152 156 162 168 171 182 189 196 208 216 228 234 243 247 252 266 273 294 304 312 324 336 342 351 364 378 392 399 432 441 456 468 486 494 504 513 532 546 567 588 624 637 648 684 702 728 729 741 756 784 798 819 882 912 931 936 972 988 1008 1026 1053 1064 1092 1134 1176 1197 1274 1296 1323 1368 1404 1456 1458 1482 1512 1539 1596 1638 1701 1729 1764 1862 1872 1911 1944 1976 2052 2106 2128 2184 2223 2268 2352 2394 2457 2548 2646 2736 2793 2808 2916 2964 3024 3078 3159 3192 3276 3402 3458 3528 3591 3724 3822 3888 3952 3969 4104 4212 4368 4446 4536 4617 4788 4914 5096 5103 5187 5292 5586 5616 5733 5832 5928 6156 6318 6384 6552 6669 6804 6916 7056 7182 7371 7448 7644 7938 8208 8379 8424 8892 9072 9234 9477 9576 9828 10192 10206 10374 10584 10773 11172 11466 11664 11856 11907 12103 12312 12636 13104 13338 13608 13832 13851 14364 14742 14896 15288 15561 15876 16758 16848 17199 17784 18468 18954 19152 19656 20007 20412 20748 21168 21546 22113 22344 22932 23814 24206 24624 25137 25272 26676 27216 27664 27702 28728 29484 30576 31122 31752 32319 33516 34398 35568 35721 36309 36936 37908 39312 40014 40824 41496 43092 44226 44688 45864 46683 47628 48412 50274 50544 51597 53352 55404 57456 58968 60021 62244 63504 64638 66339 67032 68796 71442 72618 73872 75411 75816 80028 81648 82992 86184 88452 91728 93366 95256 96824 96957 100548 103194 106704 108927 110808 117936 120042 124488 129276 132678 134064 137592 140049 142884 145236 150822 151632 154791 160056 172368 176904 180063 186732 190512 193648 193914 201096 201451 206388 217854 221616 226233 240084 248976 258552 265356 275184 280098 285768 290472 301644 309582 320112 326781 353808 360126 373464 387828 402192 402902 412776 420147 435708 452466 464373 480168 517104 530712 560196 571536 580944 603288 604353 619164 653562 678699 720252 746928 775656 805804 825552 840294 871416 904932 928746 960336 980343 1061424 1120392 1206576 1208706 1238328 1260441 1307124 1357398 1410157 1440504 1551312 1611608 1680588 1742832 1809864 1813059 1857492 1960686 2240784 2417412 2476656 2520882 2614248 2618863 2714796 2820314 2881008 2941029 3223216 3361176 3619728 3626118 3714984 3827569 3921372 4230471 4834824 5041764 5228496 5237726 5429592 5439177 5640628 5882058 6722352 7252236 7429968 7655138 7842744 7856589 8460942 8823087 9669648 9871099 10083528 10475452 10859184 10878354 11281256 11482707 11764116 12691413 14504472 15310276 15685488 15713178 16317531 16921884 17646174 18332041 19742198 20167056 20950904 21756708 22562512 22965414 23528232 23569767 25382826 26792983 29008944 29613297 30620552 31426356 32635062 33843768 34448121 35292348 36664082 38074239 39484396 41901808 43513416 45930828 47056464 47139534 48952593 49758397 50765652 53585966 54996123 59226594 61241104 62852712 65270124 67687536 68896242 70584696 70709301 73328164 76148478 78968792 80378949 87026832 88839891 91861656 94279068 97905186 99516794 101531304 103344363 107171932 109992246 114222717 118453188 125705424 128324287 130540248 137792484 141169392 141418602 146656328 146857779 149275191 152296956 157937584 160757898 164988369 177679782 183723312 187550881 188558136 195810372 199033588 203062608 206688726 212127903 214343864 219984492 228445434 236906376 241136847 256648574 261080496 266519673 275584968 282837204 293312656 293715558 298550382 304593912 310033089 321515796 329976738 342668151 348308779 355359564 375101762 377116272 384972861 391620744 398067176 413377452 424255806 428687728 439968984 447825573 456890868 473812752 482273694 494965107 513297148 533039346 551169936 562652643 565674408 587431116 597100764 609187824 620066178 636383709 643031592 659953476 685336302 696617558 710719128 723410541 750203524 769945722 783241488 796134352 799559019 826754904 848511612 879937968 895651146 913781736 930099267 964547388 989930214 1026594296 1028004453 1044926337 1066078692 1125305286 1131348816 1154918583 1174862232 1194201528 1240132356 1272767418 1286063184 1319906952 1343476719 1370672604 1393235116 1421438256 1446821082 1484895321 1500407048 1539891444 1599118038 1653509808 1687957929 1697023224 1791302292 1827563472 1860198534 1909151127 1929094776 1979860428 2053188592 2056008906 2089852674 2132157384 2170231623 2250610572 2309837166 2349724464 2388403056 2398677057 2438161453 2480264712 2545534836 2639813904 2686953438 2741345208 2786470232 2790297801 2893642164 2969790642 3000814096 3079782888 3134779011 3198236076 3375915858 3394046448 3464755749 3582604584 3720397068 3818302254 3858189552 3959720856 4030430157 4112017812 4179705348 4264314768 4340463246 4454685963 4501221144 4619674332 4797354114 4876322906 4960529424 5063873787 5091069672 5373906876 5482690416 5572940464 5580595602 5787284328 5939581284 6159565776 6269558022 6396472152 6510694869 6751831716 6929511498 7165209168 7196031171 7314484359 7440794136 7636604508 7919441712 8060860314 8224035624 8359410696 8680926492 8909371926 9002442288 9239348664 9404337033 9594708228 9752645812 10127747574 10182139344 10394267247 10747813752 11161191204 11574568656 11879162568 12091290471 12539116044 12792944304 13021389738 13364057889 13503663432 13859022996 14392062342 14628968718 14881588272 15191621361 15273209016 16121720628 16448071248 16718821392 17361852984 17818743852 18478697328 18808674066 19189416456 19505291624 19532084607 20255495148 20788534494 21495627504 21943453077 22322382408 23758325136 24182580942 25078232088 26042779476 26728115778 27007326864 27718045992 28213011099 28784124684 29257937436 30383242722 30546418032 31182801741 32243441256 34723705968 35637487704 36273871413 37617348132 38378832912 39010583248 39064169214 40510990296 41577068988 43886906154 44644764816 45574864083 48365161884 50156464176 52085558952 53456231556 55436091984 56426022198 57568249368 58515874872 60766485444 62365603482 64486882512 65830359231 71274975408 72547742826 75234696264 78128338428 81021980592 83154137976 84639033297 87773812308 91149728166 93548405223 96730323768 104171117904 106912463112 112852044396 115136498736 117031749744 121532970888 124731206964 131660718462 136724592249 145095485652 150469392528 156256676856 166308275952 169278066594 175547624616 182299456332 187096810446 193460647536 197491077693 213824926224 225704088792 243065941776 249462413928 253917099891 263321436924 273449184498 290190971304 312513353712 338556133188 351095249232 364598912664 374193620892 394982155386 451408177584 498924827856 507834199782 526642873848 546898368996 580381942608 592473233079 677112266376 729197825328 748387241784 789964310772 1015668399564 1053285747696 1093796737992 1184946466158 1354224532752 1496774483568 1579928621544 1777419699237 2031336799128 2187593475984 2369892932316 3159857243088 3554839398474 4062673598256 4739785864632 7109678796948 9479571729264 14219357593896 28438715187792
• Sum of all divisors σ(n): 108939737931360
• Sum of proper divisors (its aliquot sum) s(n): 80501022743568
• 28438715187792 is an abundant number, because the sum of its proper divisors (80501022743568) is greater than itself. Its abundance is 52062307555776

Bases of 28438715187792

• Binary: 110011101110101100111100001000100001001010000₂
• Hexadecimal: 0x19DD67844250
• Base-36: A2WKCR900

Squares and roots of 28438715187792

• 28438715187792 squared (28438715187792²) is 808760521532351369825835264
• 28438715187792 cubed (28438715187792³) is 23000110126988659745939857152179015897088
• The square root of 28438715187792 is 5332796.1884729853
• The cube root of 28438715187792 is 30523.6635091101

Scales and comparisons

• 28,438,715,187,792 seconds is equal to 904,263 years, 9 weeks, 1 day, 3 hours, 43 minutes, 12 seconds.
• To count from 1 to 28,438,715,187,792 would take you about two million, two hundred sixty thousand, six hundred fifty-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 28438715187792 cubic inches would be around 2543.6 feet tall.

Recreational maths with 28438715187792

• 28438715187792 backwards is 29778151783482
• 28438715187792 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28438715187792's digits is 72
• More coming soon!