18420843888828

Names of 18420843888828

• Cardinal: 18420843888828 can be written as Eighteen trillion, four hundred twenty billion, eight hundred forty-three million, eight hundred eighty-eight thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8420843888828 × 10¹³

Factors of 18420843888828

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 101

Divisors of 18420843888828

• Number of divisors d(n): 900
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 19 23 27 34 36 37 38 46 51 54 57 68 69 74 76 81 92 102 108 111 114 138 148 153 162 171 204 207 222 228 276 289 306 323 324 333 342 391 414 437 444 459 513 529 578 612 621 629 646 666 684 703 782 828 851 867 874 918 969 999 1026 1058 1156 1173 1242 1258 1292 1311 1332 1377 1406 1539 1564 1587 1702 1734 1748 1836 1863 1887 1938 1998 2052 2109 2116 2346 2484 2516 2553 2601 2622 2754 2812 2907 2997 3078 3174 3404 3468 3519 3726 3774 3876 3933 3996 4218 4692 4761 5106 5202 5244 5491 5508 5661 5814 5994 6156 6327 6348 6647 7038 7429 7452 7548 7659 7803 7866 8436 8721 8993 9522 10051 10212 10404 10557 10693 10982 11322 11628 11799 11951 11988 12167 12654 13294 14076 14283 14467 14858 15318 15606 15732 16169 16473 16983 17442 17986 18981 19044 19573 19941 20102 21114 21386 21964 22287 22644 22977 23409 23598 23902 24334 25308 26163 26588 26979 28566 28934 29716 30153 30636 31212 31671 32079 32338 32946 33966 34884 35397 35853 35972 36501 37962 39146 39882 40204 42228 42772 42849 43401 44574 45954 46818 47196 47804 48507 48668 49419 50949 52326 53958 56943 57132 57868 58719 59823 60306 63342 64158 64676 65892 66861 67932 68931 70794 71706 73002 75924 78292 79764 80937 85698 86802 89148 90459 91908 93636 96237 97014 98838 101898 104652 107559 107916 109503 113886 117438 119646 120612 126293 126684 128316 130203 133722 137862 141588 143412 145521 146004 148257 152881 161874 170867 171396 173604 176157 179469 180918 192474 194028 197676 200583 203167 203796 206839 215118 219006 227772 231173 234876 239292 242811 245939 252586 260406 267444 271377 274873 275724 279841 288711 291042 296514 305762 322677 323748 328509 332741 341734 352314 358938 361836 371887 378879 384948 390609 401166 406334 413678 430236 436563 438012 444771 450179 458643 462346 485622 491878 505172 512601 520812 528471 538407 542754 549746 559682 577422 582084 593028 601749 609501 611524 620517 645354 657018 665482 683468 693519 704628 717876 728433 737817 743774 757758 781218 802332 812668 814131 824619 827356 839523 866133 873126 889542 900358 917286 924692 968031 971244 983756 985527 998223 1025202 1056942 1076814 1085508 1099492 1115661 1119364 1136637 1154844 1171827 1203498 1219002 1241034 1290708 1309689 1314036 1330964 1350537 1375929 1387038 1456866 1475634 1487548 1515516 1537803 1562436 1585413 1628262 1649238 1679046 1732266 1746252 1779084 1800716 1828503 1834572 1861551 1936062 1971054 1996446 2050404 2080557 2113884 2153628 2213451 2231322 2273274 2343654 2406996 2438004 2473857 2482068 2518569 2619378 2701074 2751858 2774076 2904739 2913732 2951268 2994669 3075606 3170826 3256524 3298476 3346983 3358092 3409911 3464532 3516263 3657006 3723102 3872124 3929941 3942108 3992892 4051611 4127787 4161114 4426902 4462644 4546548 4613409 4672841 4687308 4757297 4947714 5037138 5238756 5316979 5402148 5485509 5503716 5584653 5656597 5809478 5989338 6151212 6241671 6322079 6341652 6640353 6693966 6819822 7032526 7314012 7421571 7446204 7555707 7653043 7859882 8103222 8255574 8322228 8553401 8714217 8853804 8984007 9226818 9345682 9514594 9895428 10040949 10074276 10229733 10354117 10548789 10633958 10971018 11169306 11313194 11618956 11789823 11978676 12154833 12383361 12483342 12644158 13280706 13387932 13639644 13840227 14018523 14065052 14271891 14843142 15111414 15306086 15719764 15950937 16206444 16456527 16511148 16753959 16969791 17106802 17428434 17968014 18453636 18691364 18725013 18966237 19029188 19921059 20081898 20459466 20708234 21097578 21267916 21942036 22264713 22338612 22626388 22667121 22959129 23579646 24309666 24766722 24966684 25288316 25660203 26142651 26561412 26952021 27680454 28037046 28543782 29686284 30122847 30222828 30612172 31062351 31646367 31901874 32913054 33507918 33939582 34213604 34856868 35369469 35936028 36464499 37450026 37932474 39842118 40163796 40918932 41416468 42055569 42195156 42815673 44529426 45334242 45918258 47159292 47852811 48619332 49533444 50909373 51320406 52285302 53904042 55360908 56074092 56898711 57087564 60245694 62124702 63292734 63803748 65826108 66808997 67015836 67879164 68877387 70738938 72928998 74900052 75864948 76980609 78427953 79684236 80874049 84111138 85631346 89058852 90388643 90668484 91836516 93187053 94939101 95705622 101818746 102640812 104570604 106108407 107475343 107808084 113797422 120491388 124249404 126166707 126585468 128447019 130101731 133617994 137754774 141477876 143558433 145407817 145857996 152728119 153961218 156855906 161748098 168222276 170696133 171262692 176019989 180777286 186374106 189878202 191411244 196728223 200426991 203637492 206632161 212216814 214950686 227594844 230941827 235283859 242622147 252333414 256894038 260203462 267235988 271165929 275509548 279561159 284817303 287116866 290815634 305456238 307922436 313711812 318325221 322426029 323496196 341392266 352039978 361554572 372748212 378500121 379756404 385341057 390305193 393456446 400853982 413264322 424433628 429901372 430675299 436223451 458184357 461883654 470567718 485244294 504666828 512088399 513788076 520406924 528059967 542331858 559122318 569634606 574233732 581631268 590184669 601280973 610912476 619896483 636650442 644852058 682784532 692825481 704079956 727866441 757000242 770682114 780610386 786912892 801707964 813497787 826528644 838683477 861350598 872446902 916368714 923767308 941135436 967278087 970488588 1024176798 1056119934 1084663716 1118244636 1139269212 1170915579 1180369338 1202561946 1239792966 1273300884 1289704116 1308670353 1385650962 1455732882 1514000484 1536606931 1541364228 1561220772 1584179901 1626995574 1677366954 1722701196 1744893804 1770554007 1803842919 1832737428 1934556174 2048353596 2112239868 2183599323 2341831158 2360738676 2405123892 2440493361 2471932889 2479585932 2617340706 2771301924 2901834261 2911465764 2992339813 3073213862 3168359802 3253991148 3344379791 3354733908 3512746737 3541108014 3607685838 3869112348 3926011059 4367198646 4609820793 4683662316 4752539703 4880986722 4943865778 5234681412 5311662021 5411528757 5803668522 5984679626 6146427724 6336719604 6550797969 6688759582 7025493474 7082216028 7215371676 7321480083 7415798667 7852022118 8705502783 8734397292 8977019439 9219641586 9505079406 9761973444 9887731556 10033139373 10538240211 10623324042 10823057514 11607337044 11778033177 11969359252 13101595938 13377519164 13829462379 14050986948 14257619109 14642960166 14831597334 15704044236 15934986063 17411005566 17954038878 18439283172 19010158812 20066278746 21076480422 21246648084 21646115028 22247396001 23556066354 26203191876 26931058317 27658924758 28515238218 29285920332 29663194668 30099418119 31869972126 34822011132 35908077756 40132557492 41488387137 42152960844 44494792002 47112132708 53862116634 55317849516 56854456447 57030476436 60198836238 63739944252 66742188003 80793174951 82976774274 88989584004 90298254357 107724233268 113708912894 120397672476 124465161411 133484376006 161586349902 165953548548 170563369341 180596508714 200226564009 227417825788 242379524853 248930322822 266968752012 270894763071 323172699804 341126738682 361193017428 400453128018 484759049706 497860645644 511690108023 541789526142 682253477364 800906256036 969518099412 1023380216046 1083579052284 1535070324069 2046760432092 3070140648138 4605210972207 6140281296276 9210421944414 18420843888828
• Sum of all divisors σ(n): 57816501644440
• Sum of proper divisors (its aliquot sum) s(n): 39395657755612
• 18420843888828 is an abundant number, because the sum of its proper divisors (39395657755612) is greater than itself. Its abundance is 20974813866784

Bases of 18420843888828

• Binary: 100001100000011101111110110110100000010111100₂
• Hexadecimal: 0x10C0EFDB40BC
• Base-36: 6J2F2U7R0

Squares and roots of 18420843888828

• 18420843888828 squared (18420843888828²) is 339327489576571874023213584
• 18420843888828 cubed (18420843888828³) is 6250698712677940874962621430636195439552
• The square root of 18420843888828 is 4291951.0585313065
• The cube root of 18420843888828 is 26410.0875366049

Scales and comparisons

• 18,420,843,888,828 seconds is equal to 585,725 years, 44 weeks, 3 days, 16 hours, 13 minutes, 48 seconds.
• To count from 1 to 18,420,843,888,828 would take you about one million, four hundred sixty-four thousand, three hundred fourteen 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 18420843888828 cubic inches would be around 2200.8 feet tall.

Recreational maths with 18420843888828

• 18420843888828 backwards is 82888834802481
• The number of decimal digits it has is: 14
• The sum of 18420843888828's digits is 72
• More coming soon!