21429159755046912

Names of 21429159755046912

• Cardinal: 21429159755046912 can be written as Twenty-one quadrillion, four hundred twenty-nine trillion, one hundred fifty-nine billion, seven hundred fifty-five million, forty-six thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 2.1429159755046912 × 10¹⁶

Factors of 21429159755046912

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 916077

Divisors of 21429159755046912

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 59 64 66 72 88 96 99 108 118 128 132 144 163 176 177 192 198 216 236 256 264 288 297 326 352 354 384 396 432 472 489 512 528 531 576 594 649 652 704 708 768 792 864 944 978 1024 1056 1062 1152 1188 1298 1304 1408 1416 1467 1536 1584 1593 1728 1793 1888 1947 1956 2048 2112 2124 2304 2376 2596 2608 2816 2832 2934 3072 3168 3186 3456 3586 3776 3894 3912 4096 4224 4248 4401 4608 4752 5192 5216 5379 5632 5664 5841 5868 6144 6336 6372 6912 7172 7552 7788 7824 8192 8448 8496 8802 9216 9504 9617 10384 10432 10758 11264 11328 11682 11736 12288 12672 12744 13824 14344 15104 15576 15648 16137 16896 16992 17523 17604 18432 19008 19234 20768 20864 21516 22528 22656 23364 23472 24576 25344 25488 27648 28688 28851 30208 31152 31296 32274 33792 33984 35046 35208 36864 38016 38468 41536 41728 43032 45056 45312 46728 46944 48411 50688 50976 55296 57376 57702 60416 62304 62592 64548 67584 67968 70092 70416 73728 76032 76936 83072 83456 86064 86553 90112 90624 93456 93888 96822 101376 101952 105787 110592 114752 115404 120832 124608 125184 129096 135168 135936 140184 140832 152064 153872 166144 166912 172128 173106 181248 186912 187776 193644 202752 203904 211574 221184 229504 230808 241664 249216 250368 258192 259659 270336 271872 280368 281664 304128 307744 317361 332288 333824 344256 346212 362496 373824 375552 387288 405504 407808 423148 459008 461616 483328 498432 500736 516384 519318 543744 560736 563328 608256 615488 634722 664576 667648 688512 692424 724992 747648 751104 774576 811008 815616 846296 915839 918016 923232 952083 996864 1001472 1032768 1038636 1087488 1121472 1126656 1216512 1230976 1269444 1329152 1335296 1377024 1384848 1449984 1495296 1502208 1549152 1631232 1692592 1831678 1836032 1846464 1904166 1993728 2002944 2065536 2077272 2174976 2242944 2253312 2433024 2461952 2538888 2658304 2747517 2754048 2769696 2856249 2990592 3004416 3098304 3262464 3385184 3663356 3672064 3692928 3808332 3987456 4005888 4131072 4154544 4349952 4485888 4506624 4923904 5077776 5316608 5495034 5508096 5539392 5712498 5981184 6008832 6196608 6524928 6770368 7326712 7344128 7385856 7616664 7974912 8242551 8262144 8309088 8971776 9013248 9847808 10074229 10155552 10990068 11016192 11078784 11424996 11962368 12017664 12393216 13049856 13540736 14653424 14688256 14771712 15233328 15949824 16485102 16524288 16618176 17943552 18026496 19695616 20148458 20311104 21980136 22032384 22157568 22849992 23924736 24727653 24786432 27081472 29306848 29543424 30222687 30466656 32970204 33048576 33236352 35887104 36052992 39391232 40296916 40622208 43960272 44064768 44315136 45699984 47849472 49455306 49572864 54034501 54162944 58613696 59086848 60445374 60933312 65940408 66097152 66472704 71774208 78782464 80593832 81244416 87920544 88630272 90668061 91399968 98910612 99145728 108069002 108325888 117227392 118173696 120890748 121866624 131880816 132194304 132945408 143548416 149281757 161187664 162103503 162488832 175841088 177260544 181336122 182799936 197821224 198291456 216138004 216651776 234454784 236347392 241781496 243733248 263761632 265890816 272004183 298563514 322375328 324207006 324977664 351682176 354521088 362672244 365599872 395642448 396582912 432276008 433303552 447845271 468909568 483562992 486310509 487466496 527523264 531781632 544008366 594379511 597127028 644750656 648414012 649955328 703364352 709042176 725344488 731199744 791284896 864552016 866607104 895690542 937819136 967125984 972621018 974932992 1055046528 1063563264 1088016732 1188759022 1194254056 1289501312 1296828024 1299910656 1343535813 1406728704 1450688976 1458931527 1462399488 1582569792 1642099327 1729104032 1783138533 1791381084 1875638272 1934251968 1945242036 1949865984 2110093056 2127126528 2176033464 2377518044 2388508112 2579002624 2593656048 2599821312 2687071626 2813457408 2901377952 2917863054 2924798976 3165139584 3284198654 3458208064 3566277066 3582762168 3751276544 3868503936 3890484072 3899731968 4030607439 4220186112 4352066928 4755036088 4777016224 4926297981 5158005248 5187312096 5349415599 5374143252 5626914816 5802755904 5835726108 5849597952 6330279168 6568397308 6916416128 7132554132 7165524336 7502553088 7737007872 7780968144 7799463936 8061214878 8440372224 8704133856 8807623663 9510072176 9554032448 9852595962 10316010496 10374624192 10698831198 10748286504 11253829632 11605511808 11671452216 11699195904 12660558336 13136794616 13832832256 14265108264 14331048672 14778893943 15474015744 15561936288 16048246797 16122429756 16880744448 17408267712 17615247326 19020144352 19108064896 19705191924 20632020992 20749248384 21397662396 21496573008 22507659264 23211023616 23342904432 23398391808 25321116672 26273589232 26422870989 27665664512 28530216528 28662097344 29557787886 30948031488 31123872576 32096493594 32244859512 33761488896 34816535424 35230494652 38040288704 38216129792 39410383848 41264041984 41498496768 42795324792 42993146016 44336681829 46422047232 46685808864 50642233344 52547178464 52845741978 55331329024 57060433056 57324194688 59115575772 61896062976 62247745152 64192987188 64489719024 67522977792 69633070848 70460989304 76080577408 76432259584 78820767696 79268612967 82528083968 82996993536 85590649584 85986292032 88673363658 92844094464 93371617728 96883860293 101284466688 105094356928 105691483956 110662658048 114120866112 114648389376 118231151544 123792125952 124495490304 128385974376 128979438048 139266141696 140921978608 152161154816 152864519168 157641535392 158537225934 165993987072 171181299168 171972584064 177346727316 185688188928 186743235456 193767720586 202568933376 210188713856 211382967912 221325316096 228241732224 229296778752 236462303088 237805838901 247584251904 248990980608 256771948752 257958876096 278532283392 281843957216 290651580879 304322309632 305729038336 315283070784 317074451868 331987974144 342362598336 343945168128 354693454632 371376377856 373486470912 387535441172 420377427712 422765935824 442650632192 456483464448 458593557504 472924606176 475611677802 497981961216 513543897504 515917752192 557064566784 563687914432 581303161758 608644619264 611458076672 630566141568 634148903736 663975948288 684725196672 687890336256 709386909264 742752755712 746972941824 775070882344 840754855424 845531871648 871954742637 912966928896 917187115008 945849212352 951223355604 995963922432 1027087795008 1031835504384 1114129133568 1127375828864 1162606323516 1217289238528 1222916153344 1261132283136 1268297807472 1327951896576 1369450393344 1375780672512 1418773818528 1493945883648 1550141764688 1681509710848 1691063743296 1743909485274 1825933857792 1834374230016 1891698424704 1902446711208 1991927844864 2054175590016 2063671008768 2228258267136 2254751657728 2325212647032 2434578477056 2522264566272 2536595614944 2615864227911 2738900786688 2751561345024 2837547637056 2987891767296 3100283529376 3363019421696 3382127486592 3487818970548 3651867715584 3668748460032 3783396849408 3804893422416 3983855689728 4108351180032 4127342017536 4509503315456 4650425294064 4869156954112 5044529132544 5073191229888 5231728455822 5477801573376 5503122690048 5675095274112 5975783534592 6200567058752 6726038843392 6764254973184 6975637941096 7303735431168 7566793698816 7609786844832 8216702360064 8254684035072 9019006630912 9300850588128 10089058265088 10146382459776 10463456911644 10955603146752 11006245380096 11350190548224 11951567069184 12401134117504 13452077686784 13528509946368 13951275882192 14607470862336 15133587397632 15219573689664 16433404720128 16509368070144 18038013261824 18601701176256 20178116530176 20292764919552 20926913823288 21911206293504 22700381096448 24802268235008 27057019892736 27902551764384 30267174795264 30439147379328 32866809440256 33018736140288 36076026523648 37203402352512 40356233060352 40585529839104 41853827646576 43822412587008 45400762192896 49604536470016 54114039785472 55805103528768 60534349590528 60878294758656 65733618880512 72152053047296 74406804705024 81171059678208 83707655293152 90801524385792 99209072940032 108228079570944 111610207057536 121068699181056 121756589517312 131467237761024 148813609410048 162342119356416 167415310586304 181603048771584 198418145880064 216456159141888 223220414115072 243513179034624 297627218820096 324684238712832 334830621172608 363206097543168 396836291760128 446440828230144 487026358069248 595254437640192 649368477425664 669661242345216 793672583520256 892881656460288 974052716138496 1190508875280384 1339322484690432 1785763312920576 1948105432276992 2381017750560768 2678644969380864 3571526625841152 5357289938761728 7143053251682304 10714579877523456 21429159755046912
• Sum of all divisors σ(n): 70867869179904000
• Sum of proper divisors (its aliquot sum) s(n): 49438709424857088
• 21429159755046912 is an abundant number, because the sum of its proper divisors (49438709424857088) is greater than itself. Its abundance is 28009549669810176

Bases of 21429159755046912

• Binary: 1001100001000011011010100001111000010001110000000000000₂
• Hexadecimal: 0x4C21B50F08E000
• Base-36: 5V00435N9C0

Squares and roots of 21429159755046912

• 21429159755046912 squared (21429159755046912²) is 459208887807322229509855320735744
• 21429159755046912 cubed (21429159755046912³) is 9840460617760522122274282115413788647589075222528
• The square root of 21429159755046912 is 146387020.4459634187
• The cube root of 21429159755046912 is 277759.1540783839

Scales and comparisons

• 21,429,159,755,046,912 seconds is equal to 681,380,995 years, 24 weeks, 2 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 21,429,159,755,046,912 would take you about two billion, forty-four million, one hundred forty-two thousand, nine hundred eighty-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 21429159755046912 cubic inches would be around 23146.6 feet tall.

Recreational maths with 21429159755046912

• 21429159755046912 backwards is 21964055795192412
• 21429159755046912 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21429159755046912's digits is 72
• More coming soon!