64421042985217125

Names of 64421042985217125

• Cardinal: 64421042985217125 can be written as Sixty-four quadrillion, four hundred twenty-one trillion, forty-two billion, nine hundred eighty-five million, two hundred seventeen thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 6.4421042985217125 × 10¹⁶

Factors of 64421042985217125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 194

Divisors of 64421042985217125

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 9 15 25 45 75 89 97 125 225 267 291 375 445 485 801 873 1125 1335 1455 2225 2425 4005 4365 6675 7275 7921 8633 9409 11125 12125 20025 21825 23763 25899 28227 33375 36375 39605 43165 47045 71289 77697 84681 100125 109125 118815 129495 141135 198025 215825 235225 356445 388485 423405 594075 647475 704969 705675 768337 837401 912673 990125 1079125 1176125 1782225 1942425 2114907 2117025 2305011 2512203 2738019 2970375 3237375 3524845 3528375 3841685 4187005 4563365 6344721 6915033 7536609 8214057 8911125 9712125 10574535 10585125 11525055 12561015 13690095 17624225 19208425 20935025 22816825 31723605 34575165 37683045 41070285 52872675 57625275 62742241 62805075 68381993 68450475 74528689 81227897 88121125 96042125 104675125 114084125 158618025 172875825 188226723 188415225 205145979 205351425 223586067 243683691 264363375 288126375 313711205 314025375 341909965 342252375 372643445 406139485 564680169 615437937 670758201 731051073 793090125 864379125 941133615 942076125 1025729895 1026757125 1117930335 1218418455 1568556025 1709549825 1863217225 2030697425 2823400845 3077189685 3353791005 3655255365 4705668075 5128649475 5589651675 6085997377 6092092275 6633053321 7229282833 7842780125 8547749125 9316086125 10153487125 14117004225 15385948425 16768955025 18257992131 18276276825 19899159963 21687848499 23528340375 25643247375 27948258375 30429986885 30460461375 33165266605 36146414165 54773976393 59697479889 65063545497 70585021125 76929742125 83844775125 91289960655 91381384125 99495799815 108439242495 152149934425 165826333025 180732070825 273869881965 298487399445 325317727485 456449803275 497478999075 542196212475 590341745569 643406172137 760749672125 829131665125 903660354125 1369349409825 1492436997225 1626588637425 1771025236707 1930218516411 2282249016375 2487394995375 2710981062375 2951708727845 3217030860685 5313075710121 5790655549233 6846747049125 7462184986125 8132943187125 8855126183535 9651092582055 14758543639225 16085154303425 26565378550605 28953277746165 44275630917675 48255462910275 57263149320193 73792718196125 80425771517125 132826892753025 144766388730825 171789447960579 221378154588375 241277314551375 286315746600965 515368343881737 664134463765125 723831943654125 858947239802895 1431578733004825 2576841719408685 4294736199014475 7157893665024125 12884208597043425 21473680995072375 64421042985217125
• Sum of all divisors σ(n): 118672751203209840
• Sum of proper divisors (its aliquot sum) s(n): 54251708217992715
• 64421042985217125 is a deficient number, because the sum of its proper divisors (54251708217992715) is less than itself. Its deficiency is 10169334767224410

Bases of 64421042985217125

• Binary: 11100100110111101001100011100111001100011010110001100101₂
• Hexadecimal: 0xE4DE98E731AC65
• Base-36: HMBCQL7CWV9

Squares and roots of 64421042985217125

• 64421042985217125 squared (64421042985217125²) is 4150070779303192548141283393265625
• 64421042985217125 cubed (64421042985217125³) is 267351888065184499609497505012646663804653423828125
• The square root of 64421042985217125 is 253813007.9117639017
• The cube root of 64421042985217125 is 400875.2563049731

Scales and comparisons

• 64,421,042,985,217,125 seconds is equal to 2,048,389,899 years, 29 weeks, 1 day, 18 minutes, 45 seconds.
• To count from 1 to 64,421,042,985,217,125 would take you about six billion, one hundred forty-five million, one hundred sixty-nine thousand, six hundred ninety-eight 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 64421042985217125 cubic inches would be around 33406.3 feet tall.

Recreational maths with 64421042985217125

• 64421042985217125 backwards is 52171258924012446
• The number of decimal digits it has is: 17
• The sum of 64421042985217125's digits is 63
• More coming soon!