21684671889408

Names of 21684671889408

• Cardinal: 21684671889408 can be written as Twenty-one trillion, six hundred eighty-four billion, six hundred seventy-one million, eight hundred eighty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1684671889408 × 10¹³

Factors of 21684671889408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 2127

Divisors of 21684671889408

• Number of divisors d(n): 360
• 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 72 88 96 99 108 128 132 144 176 192 198 216 256 264 288 297 352 384 396 432 512 528 576 594 704 768 792 864 1024 1056 1152 1188 1408 1536 1584 1728 2048 2111 2112 2304 2376 2816 3072 3168 3456 4096 4222 4224 4608 4752 5632 6144 6333 6336 6912 8192 8444 8448 9216 9504 11264 12288 12666 12672 13824 16384 16888 16896 18432 18999 19008 22528 23221 24576 25332 25344 27648 33776 33792 36864 37998 38016 45056 46442 49152 50664 50688 55296 56997 67552 67584 69663 73728 75996 76032 90112 92884 101328 101376 110592 113994 135104 135168 139326 147456 151992 152064 180224 185768 202656 202752 208989 221184 227988 270208 270336 278652 303984 304128 371536 405312 405504 417978 442368 455976 540416 540672 557304 607968 608256 626967 743072 810624 811008 835956 911952 1080832 1114608 1215936 1216512 1253934 1486144 1621248 1622016 1671912 1823904 2161664 2229216 2431872 2433024 2507868 2972288 3242496 3343824 3647808 4323328 4456321 4458432 4863744 4866048 5015736 5944576 6484992 6687648 7295616 8646656 8912642 8916864 9727488 10031472 11889152 12969984 13368963 13375296 14591232 17293312 17825284 17833728 19454976 20062944 23778304 25939968 26737926 26750592 29182464 34586624 35650568 35667456 38909952 40106889 40125888 47556608 49019531 51879936 53475852 53501184 58364928 71301136 71334912 77819904 80213778 80251776 95113216 98039062 103759872 106951704 107002368 116729856 120320667 142602272 142669824 147058593 155639808 160427556 160503552 190226432 196078124 213903408 214004736 233459712 240641334 285204544 285339648 294117186 311279616 320855112 321007104 380452864 392156248 427806816 428009472 441175779 466919424 481282668 570409088 570679296 588234372 641710224 642014208 784312496 855613632 856018944 882351558 933838848 962565336 1140818176 1141358592 1176468744 1283420448 1284028416 1323527337 1568624992 1711227264 1712037888 1764703116 1925130672 2281636352 2352937488 2566840896 2568056832 2647054674 3137249984 3422454528 3424075776 3529406232 3850261344 4563272704 4705874976 5133681792 5136113664 5294109348 6274499968 6844909056 7058812464 7700522688 9126545408 9411749952 10267363584 10272227328 10588218696 12548999936 13689818112 14117624928 15401045376 18253090816 18823499904 20534727168 21176437392 25097999872 27379636224 28235249856 30802090752 36506181632 37646999808 41069454336 42352874784 50195999744 54759272448 56470499712 61604181504 73012363264 75293999616 82138908672 84705749568 100391999488 109518544896 112940999424 123208363008 150587999232 164277817344 169411499136 200783998976 219037089792 225881998848 246416726016 301175998464 328555634688 338822998272 401567997952 451763997696 492833452032 602351996928 657111269376 677645996544 803135995904 903527995392 985666904064 1204703993856 1355291993088 1807055990784 1971333808128 2409407987712 2710583986176 3614111981568 5421167972352 7228223963136 10842335944704 21684671889408
• Sum of all divisors σ(n): 70122947573280
• Sum of proper divisors (its aliquot sum) s(n): 48438275683872
• 21684671889408 is an abundant number, because the sum of its proper divisors (48438275683872) is greater than itself. Its abundance is 26753603794464

Bases of 21684671889408

• Binary: 100111011100011011011001010100100000000000000₂
• Hexadecimal: 0x13B8DB2A4000
• Base-36: 7OPSTREO0

Squares and roots of 21684671889408

• 21684671889408 squared (21684671889408²) is 470224994951281520582590464
• 21684671889408 cubed (21684671889408³) is 10196674729717073111842597197897963405312
• The square root of 21684671889408 is 4656680.3507872429
• The cube root of 21684671889408 is 27885.8755643351

Scales and comparisons

• 21,684,671,889,408 seconds is equal to 689,505 years, 25 weeks, 3 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,684,671,889,408 would take you about one million, seven hundred twenty-three thousand, seven hundred sixty-three 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 21684671889408 cubic inches would be around 2323.8 feet tall.

Recreational maths with 21684671889408

• 21684671889408 backwards is 80498817648612
• 21684671889408 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21684671889408's digits is 72
• More coming soon!