21646472995485

Names of 21646472995485

• Cardinal: 21646472995485 can be written as Twenty-one trillion, six hundred forty-six billion, four hundred seventy-two million, nine hundred ninety-five thousand, four hundred eighty-five.

Scientific notation

• Scientific notation: 2.1646472995485 × 10¹³

Factors of 21646472995485

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 508

Divisors of 21646472995485

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 13 15 27 31 39 45 65 93 103 117 135 155 195 279 309 351 353 403 465 515 585 837 927 961 1059 1209 1339 1395 1545 1755 1765 2015 2781 2883 3177 3193 3627 4017 4185 4589 4635 4805 5295 6045 6695 8649 9531 9579 10881 10943 12051 12493 13767 13905 14415 15885 15965 18135 20085 22945 25947 28737 32829 36153 36359 37479 41301 41509 43245 47655 47895 54405 54715 60255 62465 68835 86211 98487 98983 109077 112437 123903 124527 124609 129735 142259 143685 164145 180765 181795 187395 206505 207545 295461 296949 327231 337311 339233 373581 373827 426777 431055 472667 492435 494915 545385 562185 619515 622635 623045 711295 890847 981693 1017699 1120743 1121481 1127129 1280331 1286779 1418001 1477305 1484745 1619917 1636155 1686555 1696165 1867905 1869135 2133885 2363335 2672541 3053097 3364443 3381387 3840993 3860337 3862879 4254003 4410029 4454235 4859751 4908465 5088495 5603715 5607405 5635645 6401655 6433895 7090005 8099585 9159291 10144161 11581011 11588637 12762009 12834727 13230087 13362705 14579253 14652677 15265485 16822215 16906935 19204965 19301685 19314395 21270015 22050145 24298755 30432483 34743033 34765911 34940999 38504181 39690261 43737759 43958031 45796455 50217427 50720805 57905055 57943185 63810045 64173635 66150435 72896265 73263385 104297733 104822997 115512543 119070783 119749249 131874093 150652281 152162415 166851451 173715165 173829555 174704995 192520905 198451305 218688795 219790155 251087135 314468991 346537629 359247747 395622279 397876537 451956843 454232987 500554353 521488665 524114985 577562715 595353915 598746245 659370465 753261405 834257255 943406973 1077743241 1193629611 1355870529 1362698961 1501663059 1556740237 1572344955 1732688145 1796238735 1978111395 1989382685 2259784215 2271164935 2502771765 3233229723 3580888833 4088096883 4504989177 4670220711 4717034865 5172394981 5388716205 5968148055 6779352645 6813494805 7508315295 7783701185 10742666499 12264290649 12334172647 14010662133 15517184943 16166148615 17904444165 20440484415 22524945885 23351103555 25861974905 37002517941 42031986399 46551554829 53713332495 61321453245 61670863235 70053310665 77585924715 111007553823 139654664487 160344244411 185012589705 210159931995 232757774145 333022661469 481032733233 555037769115 698273322435 801721222055 1443098199699 1665113307345 2405163666165 4329294599097 7215490998495 21646472995485
• Sum of all divisors σ(n): 43361401224960
• Sum of proper divisors (its aliquot sum) s(n): 21714928229475
• 21646472995485 is an abundant number, because the sum of its proper divisors (21714928229475) is greater than itself. Its abundance is 68455233990

Bases of 21646472995485

• Binary: 100111010111111110110010101010110001010011101₂
• Hexadecimal: 0x13AFF655629D
• Base-36: 7O8934JH9

Squares and roots of 21646472995485

• 21646472995485 squared (21646472995485²) is 468569793144261348830385225
• 21646472995485 cubed (21646472995485³) is 10142883373797245776354175362592235709125
• The square root of 21646472995485 is 4652577.0273564521
• The cube root of 21646472995485 is 27869.4917072877

Scales and comparisons

• 21,646,472,995,485 seconds is equal to 688,290 years, 45 weeks, 6 days, 21 hours, 24 minutes, 45 seconds.
• To count from 1 to 21,646,472,995,485 would take you about one million, seven hundred twenty thousand, seven hundred twenty-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 21646472995485 cubic inches would be around 2322.5 feet tall.

Recreational maths with 21646472995485

• 21646472995485 backwards is 58459927464612
• The number of decimal digits it has is: 14
• The sum of 21646472995485's digits is 72
• More coming soon!