21455678736675

Names of 21455678736675

• Cardinal: 21455678736675 can be written as Twenty-one trillion, four hundred fifty-five billion, six hundred seventy-eight million, seven hundred thirty-six thousand, six hundred seventy-five.

Scientific notation

• Scientific notation: 2.1455678736675 × 10¹³

Factors of 21455678736675

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 146

Divisors of 21455678736675

• Number of divisors d(n): 252
• Complete list of divisors:
  1 3 5 9 15 25 27 31 45 75 81 93 107 135 155 225 243 279 321 405 465 535 675 729 775 837 961 963 1215 1395 1605 2025 2325 2511 2675 2883 2889 3317 3645 4185 4805 4815 6075 6975 7533 8025 8649 8667 9951 11449 12555 14415 14445 16585 18225 20925 22599 24025 24075 25947 26001 29853 34347 37665 43245 43335 49755 57245 62775 72075 72225 77841 78003 82925 89559 102827 103041 112995 129735 130005 149265 171735 188325 216225 216675 233523 248775 268677 286225 308481 309123 354919 389205 390015 447795 514135 515205 564975 648675 650025 700569 746325 806031 858675 925443 927369 1064757 1167615 1225043 1343385 1542405 1545615 1774595 1946025 1950075 2238975 2418093 2570675 2576025 2776329 2782107 3194271 3502845 3675129 4030155 4627215 4636845 5323785 5838075 6125215 6716925 7712025 7728075 8328987 8346321 8872975 9582813 11002489 11025387 12090465 13881645 13910535 15971355 17514225 18375645 20150775 23136075 23184225 24986961 26618925 28748439 30626075 33007467 33076161 37976333 41644935 41731605 47914065 55012445 55126935 60452325 69408225 69552675 74960883 79856775 86245317 91878225 99022401 99228483 113928999 124934805 143742195 165037335 165380805 189881665 208224675 208658025 239570325 258735951 275062225 275634675 297067203 297685449 341786997 374804415 431226585 495112005 496142415 569644995 624674025 718710975 825186675 826904025 891201609 893056347 949408325 1025360991 1177266323 1293679755 1485336015 1488427245 1708934985 1874022075 2156132925 2475560025 2480712075 2673604827 2848224975 3076082973 3531798969 4456008045 4465281735 5126804955 5886331615 6468398775 7426680075 7442136225 8020814481 8544674925 9228248919 10595396907 13368024135 15380414865 17658994845 22280040225 22326408675 25634024775 27684746757 29431658075 31786190721 40104072405 46141244595 52976984535 66840120675 76902074325 88294974225 95358572163 138423733785 158930953605 200520362025 230706222975 264884922675 286075716489 476792860815 692118668925 794654768025 858227149467 1430378582445 2383964304075 4291135747335 7151892912225 21455678736675
• Sum of all divisors σ(n): 41606419775400
• Sum of proper divisors (its aliquot sum) s(n): 20150741038725
• 21455678736675 is a deficient number, because the sum of its proper divisors (20150741038725) is less than itself. Its deficiency is 1304937697950

Bases of 21455678736675

• Binary: 100111000001110001010000111000000100100100011₂
• Hexadecimal: 0x13838A1C0923
• Base-36: 7LSLP5F6R

Squares and roots of 21455678736675

• 21455678736675 squared (21455678736675²) is 460346150051407723990055625
• 21455678736675 cubed (21455678736675³) is 9877039103168187661764293762462977546875
• The square root of 21455678736675 is 4632027.4974005713
• The cube root of 21455678736675 is 27787.3684210851

Scales and comparisons

• 21,455,678,736,675 seconds is equal to 682,224 years, 11 weeks, 2 days, 11 minutes, 15 seconds.
• To count from 1 to 21,455,678,736,675 would take you about one million, seven hundred five thousand, five hundred sixty 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 21455678736675 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21455678736675

• 21455678736675 backwards is 57663787655412
• The number of decimal digits it has is: 14
• The sum of 21455678736675's digits is 72
• More coming soon!