21490791857073

Names of 21490791857073

• Cardinal: 21490791857073 can be written as Twenty-one trillion, four hundred ninety billion, seven hundred ninety-one million, eight hundred fifty-seven thousand and seventy-three.

Scientific notation

• Scientific notation: 2.1490791857073 × 10¹³

Factors of 21490791857073

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1574

Divisors of 21490791857073

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 11 19 21 33 57 63 67 73 77 99 133 171 201 209 219 231 307 399 469 511 603 627 657 693 737 803 921 1087 1197 1273 1387 1407 1463 1533 1881 2149 2211 2409 2763 3261 3377 3819 4161 4221 4389 4599 4891 5159 5621 5833 6447 6633 7227 7609 8911 9709 9783 10131 11457 11957 12483 13167 14003 14673 15257 15477 16863 17499 19341 20569 20653 22411 22827 23639 26733 29127 30393 34237 35871 40831 42009 44019 45771 46431 50589 52497 53801 61707 61959 64163 67233 68481 70917 72829 79351 80199 83699 87381 92929 98021 102711 106799 107613 122493 126027 137313 143983 144571 156877 161403 185121 185877 192489 201699 212751 218487 226259 227183 238053 246521 251097 278787 294063 308133 320397 333709 367479 376607 390811 425809 431949 433713 449141 470631 484209 509803 555457 577467 650503 655461 678777 681549 714159 739563 753291 801119 836361 872861 882189 961191 1001127 1022219 1129821 1172433 1277427 1295847 1301139 1347423 1383751 1411893 1501537 1507669 1529409 1583813 1590281 1666371 1725647 1951509 2036331 2044647 2218689 2335963 2403357 2618583 2735677 2980663 3003381 3066657 3389463 3517299 3670799 3832281 4042269 4151253 4298921 4504611 4523007 4588227 4683899 4751439 4770843 4999113 5176941 5316517 5607833 5854527 6110027 6340471 7007889 7155533 7210071 7855749 8207031 8941989 9199971 9686257 10510759 10553683 11012397 12453759 12896763 13513833 13569021 14051697 14254317 14312529 15221261 15530823 15949551 16516907 16584359 16823499 18330081 19021413 21023667 21466599 22358503 24360757 24621093 25695593 26825967 28529203 29058771 30092447 31532277 31661049 32787293 33037191 37215619 38690289 42155091 44383297 45663783 47848653 49550721 49753077 50470497 54990243 57064239 58481687 64399797 67075509 69745181 73082271 77086779 85587609 87176313 90277341 94596831 94983147 98361879 101013823 106548827 111646857 115618349 116090513 133149891 136991349 148652163 149259231 156509521 170525299 175445061 199704421 201226527 209235543 219246813 231260337 245943533 256762827 267968327 270832023 295085637 303041469 313821233 319646481 334940571 346855047 348271539 399449673 409371809 424811557 462854383 469528563 488216267 511575897 526335183 599113263 627706629 707096761 737830599 803904981 909124407 941463699 958939443 1040565141 1044814617 1111152053 1228115427 1274434671 1388563149 1408585689 1464648801 1534727691 1632170719 1721604731 1797339789 1875778289 2121290283 2196748631 2213491797 2411714943 2824391097 2973680899 3239980681 3333456159 3684346281 3823304013 4165689447 4393946403 4672927127 4896512157 5091398213 5164814193 5627334867 6363870849 6590245893 7778064371 8921042697 9719942043 10000368477 11425195033 14018781381 14689536471 15274194639 15494442579 16882004601 17953877909 19770737679 23334193113 26763128091 29159826129 31011243661 32710489889 34275585099 35639787491 42056344143 45822583917 53861633727 70002579339 93033730983 98131469667 102826755297 106919362473 125677145363 161584901181 217078705627 279101192949 294394409001 320758087419 341123680271 377031436089 651236116881 1023371040813 1131094308267 1953708350643 2387865761897 3070113122439 7163597285691 21490791857073
• Sum of all divisors σ(n): 42088633466880
• Sum of proper divisors (its aliquot sum) s(n): 20597841609807
• 21490791857073 is a deficient number, because the sum of its proper divisors (20597841609807) is less than itself. Its deficiency is 892950247266

Bases of 21490791857073

• Binary: 100111000101110110111000000111011101110110001₂
• Hexadecimal: 0x138BB703BBB1
• Base-36: 7M8QELGA9

Squares and roots of 21490791857073

• 21490791857073 squared (21490791857073²) is 461854134644035164060127329
• 21490791857073 cubed (21490791857073³) is 9925611075963527849234058027432749248017
• The square root of 21490791857073 is 4635816.2018217461
• The cube root of 21490791857073 is 27802.5185584077

Scales and comparisons

• 21,490,791,857,073 seconds is equal to 683,340 years, 36 weeks, 4 days, 20 hours, 44 minutes, 33 seconds.
• To count from 1 to 21,490,791,857,073 would take you about one million, seven hundred eight thousand, three hundred fifty-one 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 21490791857073 cubic inches would be around 2316.9 feet tall.

Recreational maths with 21490791857073

• 21490791857073 backwards is 37075819709412
• 21490791857073 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21490791857073's digits is 63
• More coming soon!