21400929555185664

Names of 21400929555185664

• Cardinal: 21400929555185664 can be written as Twenty-one quadrillion, four hundred trillion, nine hundred twenty-nine billion, five hundred fifty-five million, one hundred eighty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1400929555185664 × 10¹⁶

Factors of 21400929555185664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 34
• Sum of prime factors: 87

Divisors of 21400929555185664

• Number of divisors d(n): 1080
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 71 72 81 88 96 99 108 128 132 142 144 162 176 192 198 213 216 256 264 284 288 297 324 352 384 396 426 432 512 528 568 576 594 639 648 704 768 781 792 852 864 891 1024 1056 1136 1152 1188 1278 1296 1408 1536 1562 1584 1704 1728 1782 1917 2048 2112 2272 2304 2343 2376 2556 2592 2816 3072 3124 3168 3408 3456 3564 3834 4096 4224 4544 4608 4686 4752 5041 5112 5184 5632 5751 6144 6248 6336 6816 6912 7029 7128 7668 8192 8448 9088 9216 9372 9504 10082 10224 10368 11264 11502 12288 12496 12672 13632 13824 14058 14256 15123 15336 16384 16896 18176 18432 18744 19008 20164 20448 20736 21087 22528 23004 24576 24992 25344 27264 27648 28116 28512 30246 30672 32768 33792 36352 36864 37488 38016 40328 40896 41472 42174 45056 45369 46008 49152 49984 50688 54528 55296 55451 56232 57024 60492 61344 63261 65536 67584 72704 73728 74976 76032 80656 81792 82944 84348 90112 90738 92016 98304 99968 101376 109056 110592 110902 112464 114048 120984 122688 126522 131072 135168 136107 145408 147456 149952 152064 161312 163584 165888 166353 168696 180224 181476 184032 196608 199936 202752 218112 221184 221804 224928 228096 241968 245376 253044 262144 270336 272214 290816 294912 299904 304128 322624 327168 331776 332706 337392 357911 360448 362952 368064 393216 399872 405504 408321 436224 442368 443608 449856 456192 483936 490752 499059 506088 524288 540672 544428 581632 589824 599808 608256 645248 654336 663552 665412 674784 715822 720896 725904 736128 786432 799744 811008 816642 872448 884736 887216 899712 912384 967872 981504 998118 1012176 1048576 1073733 1081344 1088856 1163264 1179648 1199616 1216512 1290496 1308672 1327104 1330824 1349568 1431644 1441792 1451808 1472256 1497177 1572864 1599488 1622016 1633284 1744896 1769472 1774432 1799424 1824768 1935744 1963008 1996236 2024352 2097152 2147466 2162688 2177712 2326528 2359296 2399232 2433024 2580992 2617344 2654208 2661648 2699136 2863288 2883584 2903616 2944512 2994354 3145728 3198976 3221199 3244032 3266568 3489792 3538944 3548864 3598848 3649536 3871488 3926016 3937021 3992472 4048704 4194304 4294932 4325376 4355424 4491531 4653056 4718592 4798464 4866048 5161984 5234688 5308416 5323296 5398272 5726576 5767168 5807232 5889024 5988708 6291456 6397952 6442398 6488064 6533136 6979584 7077888 7097728 7197696 7299072 7742976 7852032 7874042 7984944 8097408 8388608 8589864 8650752 8710848 8983062 9306112 9437184 9596928 9663597 9732096 10323968 10469376 10616832 10646592 10796544 11453152 11534336 11614464 11778048 11811063 11977416 12582912 12795904 12884796 12976128 13066272 13959168 14155776 14195456 14395392 14598144 15485952 15704064 15748084 15969888 16194816 16777216 17179728 17301504 17421696 17966124 18612224 18874368 19193856 19327194 19464192 20647936 20938752 21233664 21293184 21593088 22906304 23068672 23228928 23556096 23622126 23954832 25165824 25591808 25769592 25952256 26132544 27918336 28311552 28390912 28790784 28990791 29196288 30971904 31408128 31496168 31939776 32389632 33554432 34359456 34603008 34843392 35433189 35932248 37224448 37748736 38387712 38654388 38928384 41295872 41877504 42467328 42586368 43186176 45812608 46137344 46457856 47112192 47244252 47909664 50331648 51183616 51539184 51904512 52265088 55836672 56623104 56781824 57581568 57981582 58392576 61943808 62816256 62992336 63879552 64779264 67108864 68718912 69206016 69686784 70866378 71864496 74448896 75497472 76775424 77308776 77856768 82591744 83755008 84934656 85172736 86372352 91625216 92274688 92915712 94224384 94488504 95819328 100663296 102367232 103078368 103809024 104530176 106299567 111673344 113246208 113563648 115163136 115963164 116785152 123887616 125632512 125984672 127759104 129558528 137437824 138412032 139373568 141732756 143728992 148897792 150994944 153550848 154617552 155713536 165183488 167510016 169869312 170345472 172744704 183250432 184549376 185831424 188448768 188977008 191638656 201326592 204734464 206156736 207618048 209060352 212599134 223346688 226492416 227127296 230326272 231926328 233570304 247775232 251265024 251969344 255518208 259117056 274875648 276824064 278747136 283465512 287457984 297795584 301989888 307101696 309235104 311427072 318898701 330366976 335020032 339738624 340690944 345489408 366500864 369098752 371662848 376897536 377954016 383277312 409468928 412313472 415236096 418120704 425198268 446693376 452984832 454254592 460652544 463852656 467140608 495550464 502530048 503938688 511036416 518234112 549751296 553648128 557494272 566931024 574915968 595591168 603979776 614203392 618470208 622854144 637797402 660733952 670040064 679477248 681381888 690978816 733001728 738197504 743325696 753795072 755908032 766554624 818937856 824626944 830472192 836241408 850396536 893386752 905969664 908509184 921305088 927705312 934281216 991100928 1005060096 1007877376 1022072832 1036468224 1099502592 1107296256 1114988544 1133862048 1149831936 1191182336 1228406784 1236940416 1245708288 1275594804 1321467904 1340080128 1358954496 1362763776 1381957632 1466003456 1486651392 1507590144 1511816064 1533109248 1637875712 1649253888 1660944384 1672482816 1700793072 1786773504 1811939328 1817018368 1842610176 1855410624 1868562432 1982201856 2010120192 2015754752 2044145664 2072936448 2199005184 2214592512 2229977088 2267724096 2299663872 2382364672 2456813568 2473880832 2491416576 2551189608 2642935808 2680160256 2717908992 2725527552 2763915264 2932006912 2973302784 3015180288 3023632128 3066218496 3275751424 3298507776 3321888768 3344965632 3401586144 3573547008 3634036736 3685220352 3710821248 3737124864 3964403712 4020240384 4031509504 4088291328 4145872896 4398010368 4459954176 4535448192 4599327744 4764729344 4913627136 4947761664 4982833152 5102379216 5285871616 5360320512 5435817984 5451055104 5527830528 5864013824 5946605568 6030360576 6047264256 6132436992 6551502848 6597015552 6643777536 6689931264 6803172288 7147094016 7268073472 7370440704 7421642496 7474249728 7928807424 8040480768 8063019008 8176582656 8291745792 8796020736 8919908352 9070896384 9198655488 9827254272 9895523328 9965666304 10204758432 10571743232 10720641024 10902110208 11055661056 11728027648 11893211136 12060721152 12094528512 12264873984 13103005696 13194031104 13379862528 13606344576 14294188032 14536146944 14740881408 14843284992 14948499456 15857614848 16080961536 16126038016 16353165312 16583491584 17592041472 17839816704 18141792768 18397310976 19654508544 19791046656 19931332608 20409516864 21143486464 21441282048 21804220416 22111322112 23456055296 23786422272 24121442304 24189057024 24529747968 26206011392 26388062208 26759725056 27212689152 29072293888 29481762816 29686569984 29896998912 31715229696 32161923072 32252076032 32706330624 33166983168 35184082944 35679633408 36283585536 36794621952 39309017088 39582093312 40819033728 42286972928 42882564096 43608440832 44222644224 46912110592 47572844544 48242884608 48378114048 49059495936 52412022784 52776124416 53519450112 54425378304 58144587776 58963525632 59373139968 59793997824 63430459392 64323846144 64504152064 65412661248 66333966336 70368165888 71359266816 72567171072 73589243904 78618034176 79164186624 81638067456 84573945856 87216881664 88445288448 93824221184 95145689088 96485769216 96756228096 98118991872 105552248832 107038900224 108850756608 116289175552 117927051264 118746279936 126860918784 128647692288 129008304128 130825322496 132667932672 140736331776 142718533632 145134342144 147178487808 157236068352 158328373248 163276134912 169147891712 174433763328 176890576896 187648442368 190291378176 192971538432 193512456192 196237983744 211104497664 214077800448 217701513216 232578351104 235854102528 237492559872 253721837568 258016608256 261650644992 265335865344 281472663552 285437067264 290268684288 294356975616 316656746496 326552269824 338295783424 348867526656 353781153792 375296884736 380582756352 385943076864 387024912384 392475967488 422208995328 428155600896 435403026432 465156702208 471708205056 474985119744 507443675136 516033216512 523301289984 530671730688 562945327104 570874134528 580537368576 588713951232 633313492992 653104539648 697735053312 707562307584 750593769472 761165512704 774049824768 784951934976 844417990656 856311201792 870806052864 930313404416 949970239488 1014887350272 1032066433024 1046602579968 1061343461376 1125890654208 1141748269056 1161074737152 1177427902464 1266626985984 1306209079296 1395470106624 1415124615168 1501187538944 1522331025408 1548099649536 1569903869952 1688835981312 1712622403584 1741612105728 1860626808832 1899940478976 2064132866048 2093205159936 2122686922752 2251781308416 2283496538112 2322149474304 2354855804928 2533253971968 2612418158592 2790940213248 3002375077888 3044662050816 3096199299072 3139807739904 3377671962624 3425244807168 3483224211456 3721253617664 3799880957952 4128265732096 4186410319872 4245373845504 4503562616832 4566993076224 4644298948608 4709711609856 5066507943936 5224836317184 5581880426496 6004750155776 6192398598144 6279615479808 6755343925248 6850489614336 6966448422912 7599761915904 8256531464192 8372820639744 9007125233664 9133986152448 9288597897216 9419423219712 10133015887872 10449672634368 11163760852992 12009500311552 12384797196288 12559230959616 13510687850496 13700979228672 13932896845824 15199523831808 16513062928384 16745641279488 18014250467328 18577195794432 18838846439424 20266031775744 20899345268736 24019000623104 24769594392576 25118461919232 27021375700992 27401958457344 27865793691648 30399047663616 33026125856768 33491282558976 36028500934656 37154391588864 37677692878848 40532063551488 41798690537472 49539188785152 50236923838464 54042751401984 55731587383296 60798095327232 66052251713536 72057001869312 74308783177728 75355385757696 81064127102976 83597381074944 99078377570304 100473847676928 108085502803968 111463174766592 121596190654464 132104503427072 148617566355456 150710771515392 162128254205952 167194762149888 198156755140608 216171005607936 222926349533184 243192381308928 264209006854144 297235132710912 301421543030784 324256508411904 334389524299776 396313510281216 445852699066368 486384762617856 594470265421824 648513016823808 668779048599552 792627020562432 891705398132736 972769525235712 1188940530843648 1337558097199104 1783410796265472 1945539050471424 2377881061687296 2675116194398208 3566821592530944 5350232388796416 7133643185061888 10700464777592832 21400929555185664
• Sum of all divisors σ(n): 70747619895602496
• Sum of proper divisors (its aliquot sum) s(n): 49346690340416832
• 21400929555185664 is an abundant number, because the sum of its proper divisors (49346690340416832) is greater than itself. Its abundance is 27945760785231168

Bases of 21400929555185664

• Binary: 1001100000010000000100000110100000000000000000000000000₂
• Hexadecimal: 0x4C080834000000
• Base-36: 5UPZVB9J400

Squares and roots of 21400929555185664

• 21400929555185664 squared (21400929555185664²) is 457999785826019262394833511120896
• 21400929555185664 cubed (21400929555185664³) is 9801621152752759792820494607784878753490030034944
• The square root of 21400929555185664 is 146290565.5029936097
• The cube root of 21400929555185664 is 277637.1296607925

Scales and comparisons

• 21,400,929,555,185,664 seconds is equal to 680,483,362 years, 22 weeks, 3 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,400,929,555,185,664 would take you about two billion, forty-one million, four hundred fifty thousand and eighty-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 21400929555185664 cubic inches would be around 23136.4 feet tall.

Recreational maths with 21400929555185664

• 21400929555185664 backwards is 46658155592900412
• 21400929555185664 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21400929555185664's digits is 72
• More coming soon!