21048904508790912

Names of 21048904508790912

• Cardinal: 21048904508790912 can be written as Twenty-one quadrillion, forty-eight trillion, nine hundred four billion, five hundred eight million, seven hundred ninety thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 2.1048904508790912 × 10¹⁶

Factors of 21048904508790912

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 486003

Divisors of 21048904508790912

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 43 48 52 57 64 76 78 86 96 104 114 128 129 152 156 169 172 192 208 228 247 258 304 312 338 344 361 384 416 456 494 507 516 559 608 624 676 688 722 741 817 832 912 988 1014 1032 1083 1118 1216 1248 1352 1376 1444 1482 1634 1664 1677 1824 1849 1976 2028 2064 2166 2236 2432 2451 2496 2704 2752 2888 2964 3211 3268 3354 3648 3698 3952 4056 4128 4332 4472 4693 4902 4992 5408 5504 5547 5776 5928 6422 6536 6708 7267 7296 7396 7904 8112 8256 8664 8944 9386 9633 9804 10621 10816 11094 11552 11856 12844 13072 13416 14079 14534 14792 15523 15808 16224 16512 17328 17888 18772 19266 19608 21242 21632 21801 22188 23104 23712 24037 25688 26144 26832 28158 29068 29584 31046 31616 31863 32448 34656 35131 35776 37544 38532 39216 42484 43602 44376 46208 46569 47424 48074 51376 52288 53664 56316 58136 59168 61009 62092 63726 64896 69312 70262 71552 72111 75088 77064 78432 84968 87204 88752 93138 94848 96148 102752 104576 105393 107328 112632 116272 118336 122018 124184 127452 138073 138624 140524 144222 150176 154128 156864 169936 174408 177504 183027 186276 192296 201799 205504 210786 214656 225264 232544 236672 244036 248368 254904 276146 281048 288444 300352 308256 312481 313728 339872 348816 355008 366054 372552 384592 403598 411008 414219 421572 450528 456703 465088 485923 488072 496736 509808 552292 562096 576888 600704 605397 616512 624962 667489 679744 697632 710016 732108 745104 769184 807196 828438 843144 901056 913406 930176 937443 971846 976144 993472 1019616 1104584 1124192 1153776 1210794 1233024 1249924 1334978 1359488 1370109 1395264 1457769 1464216 1490208 1538368 1614392 1656876 1686288 1802112 1826812 1874886 1943692 1952288 1986944 2002467 2039232 2209168 2248384 2307552 2421588 2499848 2623387 2669956 2740218 2790528 2915538 2928432 2980416 3076736 3228784 3313752 3372576 3653624 3749772 3887384 3904576 4004934 4078464 4418336 4496768 4615104 4843176 4999696 5246774 5339912 5480436 5831076 5856864 5937139 5960832 6316999 6457568 6627504 6745152 7307248 7499544 7774768 7809152 7870161 8009868 8677357 8836672 9230208 9232537 9686352 9999392 10493548 10679824 10960872 11662152 11713728 11874278 12633998 12915136 13255008 13490304 14614496 14999088 15549536 15740322 16019736 17354714 17673344 17811417 18465074 18950997 19372704 19998784 20894689 20987096 21359648 21921744 23324304 23427456 23748556 25267996 25830272 26032071 26510016 27697611 29228992 29998176 31099072 31480644 32039472 34709428 35622834 36930148 37901994 38745408 39997568 41789378 41974192 42719296 43843488 46648608 47497112 50535992 52064142 53020032 55395222 58457984 59996352 62198144 62684067 62961288 64078944 69418856 71245668 73860296 75803988 77490816 82120987 83578756 83948384 85438592 87686976 93297216 94994224 101071984 104128284 110790444 112805641 119992704 120022981 125368134 125922576 128157888 138837712 142491336 147720592 151607976 164241974 167157512 167896768 175373952 175418203 186594432 189988448 202143968 208256568 221580888 225611282 240045962 246362961 250736268 251845152 256315776 271630957 277675424 284982672 295441184 303215952 328483948 334315024 335793536 338416923 350836406 360068943 379976896 396999091 404287936 416513136 443161776 451222564 480091924 492725922 501472536 503690304 526254609 543261914 555350848 569965344 590882368 606431904 656967896 668630048 676833846 701672812 720137886 759953792 793998182 808575872 814892871 833026272 886323552 898471627 902445128 960183848 985451844 1002945072 1007380608 1052509218 1086523828 1110701696 1139930688 1181764736 1190997273 1212863808 1313935792 1337260096 1353667692 1403345624 1440275772 1560298753 1587996364 1629785742 1666052544 1772647104 1796943254 1804890256 1920367696 1970903688 2005890144 2105018436 2173047656 2279861376 2280436639 2381994546 2425727616 2627871584 2674520192 2695414881 2707335384 2806691248 2880551544 3120597506 3175992728 3259571484 3332105088 3531202441 3545294208 3593886508 3609780512 3840735392 3941807376 4011780288 4210036872 4346095312 4560873278 4680896259 4763989092 5160988183 5255743168 5390829762 5414670768 5613382496 5761103088 6241195012 6351985456 6519142968 6841309917 7062404882 7187773016 7219561024 7542982729 7681470784 7883614752 8023560576 8420073744 8692190624 9121746556 9361792518 9527978184 10321976366 10511486336 10593607323 10781659524 10829341536 11226764992 11522206176 11680131151 12482390024 12703970912 13038285936 13682619834 14124809764 14375546032 14439122048 15085965458 15362941568 15482964549 15767229504 16840147488 17070960913 17384381248 18243493112 18723585036 19055956368 20643952732 21187214646 21563319048 21658683072 22453529984 22628948187 23044412352 23360262302 24964780048 25407941824 26076571872 27365239668 28249619528 28751092064 29645676307 30171930916 30965929098 31534459008 33680294976 34141921826 34768762496 35040393453 36486986224 37447170072 38111912736 41287905464 42374429292 43126638096 43317366144 45257896374 46088824704 46720524604 49929560096 50815883648 51212882739 52153143744 54730479336 56499239056 57502184128 59291352614 60343861832 61931858196 67092846379 67360589952 68283843652 70080786906 72973972448 74894340144 76223825472 82575810928 84748858584 86253276192 88937028921 90515792748 93441049208 98058775477 99859120192 102425765478 104306287488 109460958672 112998478112 115004368256 118582705228 120687723664 123863716392 134185692758 136567687304 140161573812 145947944896 149788680288 151841704963 152447650944 165151621856 169497717168 172506552384 177874057842 181031585496 186882098416 196117550954 199718240384 201278539137 204851530956 218921917344 221922491869 225996956224 237165410456 241375447328 247727432784 268371385516 273135374608 280323147624 291895889792 294176326431 299577360576 303683409926 324348257347 330303243712 338995434336 345013104768 355748115684 362063170992 373764196832 392235101908 402557078274 409703061912 437843834688 443844983738 451993912448 455525114889 474330820912 482750894656 495454865568 536742771032 546270749216 560646295248 588352652862 599154721152 607366819852 648696514694 660606487424 665767475607 677990868672 711496231368 724126341984 747528393664 784470203816 805114156548 819406123824 875687669376 887689967476 911050229778 948661641824 965501789312 973044772041 990909731136 1073485542064 1092541498432 1121292590496 1176705305724 1214733639704 1274764081201 1297393029388 1331534951214 1355981737344 1422992462736 1448252683968 1495056787328 1568940407632 1610228313096 1638812247648 1775379934952 1822100459556 1897323283648 1946089544082 1981819462272 2146971084128 2185082996864 2242585180992 2353410611448 2429467279408 2549528162402 2594786058776 2663069902428 2845984925472 2884992394297 2896505367936 3137880815264 3220456626192 3277624495296 3550759869904 3644200919112 3794646567296 3824292243603 3892179088164 4216527345511 4293942168256 4485170361984 4706821222896 4858934558816 5099056324804 5189572117552 5326139804856 5691969850944 5769984788594 6275761630528 6440913252384 6555248990592 7101519739808 7288401838224 7648584487206 7784358176328 8433054691022 8587884336512 8654977182891 9413642445792 9717869117632 10198112649608 10379144235104 10652279609712 11383939701888 11539969577188 12551523261056 12649582036533 12881826504768 14203039479616 14576803676448 15297168974412 15568716352656 16866109382044 17309954365782 18827284891584 19435738235264 20396225299216 20758288470208 21304559219424 23079939154376 25299164073066 25763653009536 28406078959232 29153607352896 30594337948824 31137432705312 33732218764088 34619908731564 37654569783168 40792450598432 41516576940416 42609118438848 46159878308752 50598328146132 54814855491643 58307214705792 61188675897648 62274865410624 67464437528176 69239817463128 81584901196864 85218236877696 92319756617504 101196656292264 109629710983286 122377351795296 124549730821248 134928875056352 138479634926256 163169802393728 164444566474929 184639513235008 202393312584528 219259421966572 244754703590592 269857750112704 276959269852512 328889132949858 369279026470016 404786625169056 438518843933144 489509407181184 539715500225408 553918539705024 657778265899716 809573250338112 877037687866288 1107837079410048 1315556531799432 1619146500676224 1754075375732576 2631113063598864 3508150751465152 5262226127197728 7016301502930304 10524452254395456 21048904508790912
• Sum of all divisors σ(n): 65417689438344720
• Sum of proper divisors (its aliquot sum) s(n): 44368784929553808
• 21048904508790912 is an abundant number, because the sum of its proper divisors (44368784929553808) is greater than itself. Its abundance is 23319880420762896

Bases of 21048904508790912

• Binary: 1001010110001111101110111111100001010000101100010000000₂
• Hexadecimal: 0x4AC7DDFC285880
• Base-36: 5R97P8LXAIO

Squares and roots of 21048904508790912

• 21048904508790912 squared (21048904508790912²) is 443056381020198384389088133791744
• 21048904508790912 cubed (21048904508790912³) is 9325851456104638020647241189972289888855447830528
• The square root of 21048904508790912 is 145082405.9243260275
• The cube root of 21048904508790912 is 276106.4164169735

Scales and comparisons

• 21,048,904,508,790,912 seconds is equal to 669,290,054 years, 43 weeks, 5 days, 20 hours, 35 minutes, 12 seconds.
• To count from 1 to 21,048,904,508,790,912 would take you about two billion, seven million, eight hundred seventy thousand, one hundred sixty-four 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 21048904508790912 cubic inches would be around 23008.9 feet tall.

Recreational maths with 21048904508790912

• 21048904508790912 backwards is 21909780540984012
• The number of decimal digits it has is: 17
• The sum of 21048904508790912's digits is 69
• More coming soon!