21064142574985216

Names of 21064142574985216

• Cardinal: 21064142574985216 can be written as Twenty-one quadrillion, sixty-four trillion, one hundred forty-two billion, five hundred seventy-four million, nine hundred eighty-five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1064142574985216 × 10¹⁶

Factors of 21064142574985216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 7963

Divisors of 21064142574985216

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 49 56 64 68 98 112 119 128 136 196 224 238 256 272 343 392 448 476 512 544 686 784 833 896 952 1024 1088 1372 1568 1666 1792 1904 2048 2176 2401 2744 3136 3332 3584 3808 4096 4352 4802 5488 5831 6272 6664 7168 7616 7937 8192 8704 9604 10976 11662 12544 13328 14336 15232 15874 17408 19208 21952 23324 25088 26656 28672 30464 31748 34816 38416 40817 43904 46648 50176 53312 55559 57344 60928 63496 69632 76832 81634 87808 93296 100352 106624 111118 121856 126992 134929 139264 153664 163268 175616 186592 200704 213248 222236 243712 253984 269858 307328 326536 351232 373184 388913 401408 426496 444472 487424 507968 539716 614656 653072 702464 746368 777826 852992 888944 944503 974848 1015936 1079432 1229312 1306144 1404928 1492736 1555652 1705984 1777888 1889006 2031872 2158864 2458624 2612288 2722391 2809856 2985472 3111304 3411968 3555776 3778012 4063744 4317728 4917248 5224576 5444782 5970944 6222608 6611521 6823936 7111552 7556024 8127488 8635456 9834496 10449152 10889564 11941888 12445216 13223042 14223104 15112048 16254976 17270912 19056737 19668992 20898304 21779128 23883776 24890432 26446084 28446208 30224096 32509952 34541824 38113474 41796608 43558256 46280647 47767552 49780864 52892168 56892416 60448192 62995969 65019904 69083648 76226948 83593216 87116512 92561294 99561728 105784336 113784832 120896384 125991938 138167296 152453896 167186432 174233024 185122588 199123456 211568672 227569664 241792768 251983876 276334592 304907792 323964529 334372864 348466048 370245176 398246912 423137344 440971783 455139328 483585536 503967752 552669184 609815584 647929058 696932096 740490352 796493824 846274688 881943566 967171072 1007935504 1070931473 1105338368 1219631168 1295858116 1393864192 1480980704 1592987648 1692549376 1763887132 1934342144 2015871008 2141862946 2439262336 2591716232 2787728384 2961961408 3086802481 3185975296 3385098752 3527774264 3868684288 4031742016 4283725892 4878524672 5183432464 5575456768 5923922816 6173604962 6770197504 7055548528 7496520311 7737368576 8063484032 8567451784 9757049344 10366864928 11150913536 11847845632 12347209924 13540395008 14111097056 14993040622 16126968064 17134903568 19514098688 20733729856 21607617367 22301827072 23695691264 24694419848 27080790016 28222194112 29986081244 32253936128 34269807136 39028197376 41467459712 43215234734 47391382528 49388839696 52475642177 54161580032 56444388224 59972162488 64507872256 68539614272 78056394752 82934919424 86430469468 94782765056 98777679392 104951284354 112888776448 119944324976 129015744512 137079228544 151253321569 156112789504 165869838848 172860938936 189565530112 197555358784 209902568708 225777552896 239888649952 258031489024 274158457088 302506643138 331739677696 345721877872 367329495239 379131060224 395110717568 419805137416 451555105792 479777299904 516062978048 548316914176 605013286276 663479355392 691443755744 734658990478 790221435136 839610274832 903110211584 959554599808 1096633828352 1210026572552 1326958710784 1382887511488 1469317980956 1580442870272 1679220549664 1806220423168 1919109199616 2193267656704 2420053145104 2571306466673 2653917421568 2765775022976 2938635961912 3160885740544 3358441099328 3612440846336 3838218399232 4386535313408 4840106290208 5142612933346 5531550045952 5877271923824 6321771481088 6716882198656 7676436798464 8773070626816 9680212580416 10285225866692 11063100091904 11754543847648 12643542962176 13433764397312 15352873596928 19360425160832 20570451733384 22126200183808 23509087695296 25287085924352 26867528794624 30705747193856 38720850321664 41140903466768 44252400367616 47018175390592 53735057589248 61411494387712 77441700643328 82281806933536 88504800735232 94036350781184 107470115178496 154883401286656 164563613867072 177009601470464 188072701562368 214940230356992 309766802573312 329127227734144 376145403124736 429880460713984 619533605146624 658254455468288 752290806249472 1239067210293248 1316508910936576 1504581612498944 2633017821873152 3009163224997888 5266035643746304 10532071287492608 21064142574985216
• Sum of all divisors σ(n): 52041107096553258
• Sum of proper divisors (its aliquot sum) s(n): 30976964521568042
• 21064142574985216 is an abundant number, because the sum of its proper divisors (30976964521568042) is greater than itself. Its abundance is 9912821946582826

Bases of 21064142574985216

• Binary: 1001010110101011011100111011111101011100010000000000000₂
• Hexadecimal: 0x4AD5B9DFAE2000
• Base-36: 5REM5ID3NR4

Squares and roots of 21064142574985216

• 21064142574985216 squared (21064142574985216²) is 443698102419304806057342618566656
• 21064142574985216 cubed (21064142574985216³) is 9346120089610629234428421540859132371706310557696
• The square root of 21064142574985216 is 145134911.6339181019
• The cube root of 21064142574985216 is 276173.0281651409

Scales and comparisons

• 21,064,142,574,985,216 seconds is equal to 669,774,578 years, 11 weeks, 17 hours, 40 minutes, 16 seconds.
• To count from 1 to 21,064,142,574,985,216 would take you about two billion, nine million, three hundred twenty-three thousand, seven hundred thirty-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 21064142574985216 cubic inches would be around 23014.4 feet tall.

Recreational maths with 21064142574985216

• 21064142574985216 backwards is 61258947524146012
• The number of decimal digits it has is: 17
• The sum of 21064142574985216's digits is 67
• More coming soon!