21361644589125375

Names of 21361644589125375

• Cardinal: 21361644589125375 can be written as Twenty-one quadrillion, three hundred sixty-one trillion, six hundred forty-four billion, five hundred eighty-nine million, one hundred twenty-five thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 2.1361644589125375 × 10¹⁶

Factors of 21361644589125375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 273

Divisors of 21361644589125375

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 9 15 25 31 45 75 93 107 125 127 155 225 279 321 375 381 465 535 635 775 961 963 1125 1143 1395 1605 1905 2325 2675 2883 3175 3317 3875 3937 4805 4815 5715 6975 8025 8649 9525 9951 11449 11625 11811 13375 13589 14415 15875 16129 16585 19685 24025 24075 28575 29853 34347 34875 35433 40125 40767 43245 47625 48387 49755 57245 59055 67945 72075 80645 82925 98425 102827 103041 120125 120375 122047 122301 142875 145161 149265 171735 177165 203835 216225 241935 248775 286225 295275 308481 339725 354919 360375 366141 403225 414625 421259 492125 499999 514135 515205 610235 611505 725805 746325 858675 885825 925443 1019175 1064757 1081125 1098423 1209675 1225043 1243875 1263777 1431125 1454023 1476375 1499997 1542405 1698625 1725803 1774595 1830705 2016125 2106295 2499995 2570675 2576025 3051175 3057525 3194271 3629025 3675129 3731625 3791331 4293375 4362069 4429125 4499991 4627215 5095875 5177409 5323785 5492115 6048375 6125215 6318885 7270115 7499985 7712025 8629015 8872975 9153525 10531475 11002489 11025387 12499975 12853375 12880125 13059029 13086207 15255875 15287625 15499969 15532227 15971355 18145125 18375645 18956655 21810345 22499955 23136075 25887045 26618925 27460575 30626075 31594425 33007467 36350575 37499925 37976333 38560125 39177087 43145075 44364875 45074713 45767625 46499907 52657375 53499893 55012445 55126935 62499875 65295145 65431035 77499845 77661135 79856775 91878225 94783275 99022401 109051725 112499775 113928999 115680375 117531261 129435225 133094625 135224139 137302875 139499721 153130375 155580461 157972125 160499679 165037335 181752875 184660921 187499625 189881665 195885435 215725375 225373565 232499535 267499465 275062225 275634675 326475725 327155175 341786997 387499225 388305675 399283875 405672417 459391125 466741383 473916375 481499037 495112005 545258625 553982763 562498875 569644995 587656305 647176125 676120695 697498605 777902305 802498395 825186675 923304605 949408325 979427175 1126867825 1162497675 1177266323 1337497325 1375311125 1378173375 1397316103 1400224149 1632378625 1635775875 1658496683 1661948289 1708934985 1937496125 1941528375 2028362085 2333706915 2407495185 2475560025 2769913815 2848224975 2938281525 3380603475 3487493025 3531798969 3889511525 4012491975 4125933375 4191948309 4616523025 4747041625 4822994291 4897135875 4975490049 5634339125 5724488551 5812488375 5886331615 6687486625 6986580515 7001120745 8292483415 8309741445 8544674925 10141810425 10595396907 11668534575 12037475925 12377800125 12575844927 13849569075 14241124875 14468982873 14691407625 14926470147 16903017375 17173465653 17437465125 17658994845 19447557625 19758718547 20062459875 20959741545 23082615125 24114971455 24877450245 28622442755 29431658075 34932902575 35005603725 41462417075 41548707225 42723374625 43406948619 50709052125 51520396959 52976984535 58342672875 59276155641 60187379625 62879224635 69247845375 72344914365 74632350735 85867328265 88294974225 98793592735 104798707725 120574857275 124387251225 143112213775 147158290375 149512823021 174664512875 175028018625 177459145081 177828466923 207312085375 207743536125 217034743095 257601984795 264884922675 296380778205 314396123175 361724571825 373161753675 429336641325 441474871125 448538469063 493967963675 523993538625 532377435243 602874286375 612520274957 621936256125 715561068875 747564115105 887295725405 889142334615 1085173715475 1288009923975 1324424613375 1345615407189 1481903891025 1571980615875 1597132305729 1808622859125 1837560824871 1865808768375 2146683206625 2242692345315 2469839818375 2661887176215 3062601374785 3737820575525 4436478627025 4445711673075 5425868577375 5512682474613 6440049619875 6728077035945 7409519455125 7985661528645 9187804124355 11213461726575 13309435881075 15313006873925 18689102877625 18988128523667 22182393135125 22228558365375 27563412373065 33640385179725 39928307643225 45939020621775 56067308632875 56964385571001 66547179405375 76565034369625 94940642618335 137817061865325 168201925898625 170893156713003 199641538216125 229695103108875 284821927855005 474703213091675 689085309326625 854465783565015 1424109639275025 2373516065458375 4272328917825075 7120548196375125 21361644589125375
• Sum of all divisors σ(n): 40484319819184800
• Sum of proper divisors (its aliquot sum) s(n): 19122675230059425
• 21361644589125375 is a deficient number, because the sum of its proper divisors (19122675230059425) is less than itself. Its deficiency is 2238969359065950

Bases of 21361644589125375

• Binary: 1001011111001000100110101110101100011011000111011111111₂
• Hexadecimal: 0x4BE44D758D8EFF
• Base-36: 5UC2K1R1O1R

Squares and roots of 21361644589125375

• 21361644589125375 squared (21361644589125375²) is 456319859552109411301707468890625
• 21361644589125375 cubed (21361644589125375³) is 9747742658711769071860440516730256937990287109375
• The square root of 21361644589125375 is 146156233.4939067009
• The cube root of 21361644589125375 is 277467.1425604391

Scales and comparisons

• 21,361,644,589,125,375 seconds is equal to 679,234,222 years, 1 week, 3 days, 13 hours, 56 minutes, 15 seconds.
• To count from 1 to 21,361,644,589,125,375 would take you about two billion, thirty-seven million, seven hundred two thousand, six hundred sixty-six 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 21361644589125375 cubic inches would be around 23122.3 feet tall.

Recreational maths with 21361644589125375

• 21361644589125375 backwards is 57352198544616312
• The number of decimal digits it has is: 17
• The sum of 21361644589125375's digits is 72
• More coming soon!