491285624012880972

Names of 491285624012880972

• Cardinal: 491285624012880972 can be written as Four hundred ninety-one quadrillion, two hundred eighty-five trillion, six hundred twenty-four billion, twelve million, eight hundred eighty thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 4.91285624012880972 × 10¹⁷

Factors of 491285624012880972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19845373265

Divisors of 491285624012880972

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 11 12 22 29 33 44 58 66 87 116 132 174 223 319 348 446 638 669 841 892 957 1276 1338 1682 1914 2453 2523 2676 3364 3828 4906 5046 6467 7359 9251 9812 10092 12934 14718 18502 19401 25868 27753 29436 37004 38802 55506 71137 77604 111012 142274 187543 213411 284548 375086 426822 562629 750172 853644 1125258 2062973 2250516 4125946 6188919 8251892 12377838 24755676 19845372997 39690745994 59536118991 79381491988 119072237982 218299102967 238144475964 436598205934 575515816913 654897308901 873196411868 1151031633826 1309794617802 1726547450739 2302063267652 2619589235604 3453094901478 4425518178331 6330673986043 6906189802956 8851036356662 12661347972086 13276554534993 16689958690477 17702072713324 18992021958129 25322695944172 26553109069986 33379917380954 37984043916258 48680699961641 50069876071431 53106218139972 66759834761908 75968087832516 97361399923282 100139752142862 128340027171599 146042099884923 183589545595247 194722799846564 200279504285724 256680054343198 292084199769846 367179091190494 385020081514797 513360108686396 550768636785741 584168399539692 734358182380988 770040163029594 1101537273571482 1411740298887589 1540080326059188 2203074547142964 2823480597775178 3721860787976371 4235220896662767 5646961195550356 7443721575952742 8470441793325534 11165582363929113 14887443151905484 16940883586651068 22331164727858226 40940468667740081 44662329455716452 81880937335480162 122821406003220243 163761874670960324 245642812006440486 491285624012880972
• Sum of all divisors σ(n): 1300962315543002112
• Sum of proper divisors (its aliquot sum) s(n): 809676691530121140
• 491285624012880972 is an abundant number, because the sum of its proper divisors (809676691530121140) is greater than itself. Its abundance is 318391067517240168

Bases of 491285624012880972

• Binary: 11011010001011001011010110000001110100010110011110001001100₂
• Hexadecimal: 0x6D165AC0E8B3C4C
• Base-36: 3QDE7VXQCPXO

Squares and roots of 491285624012880972

• 491285624012880972 squared (491285624012880972²) is 241361564361725848733658975439664784
• 491285624012880972 cubed (491285624012880972³) is 118577466760175616864464848081290884478452225772090048
• The square root of 491285624012880972 is 700917701.3122731601
• The cube root of 491285624012880972 is 789062.4052814003

Scales and comparisons

• 491,285,624,012,880,972 seconds is equal to 15,621,363,197 years, 20 weeks, 4 days, 18 hours, 56 minutes, 12 seconds.
• To count from 1 to 491,285,624,012,880,972 would take you about forty-six billion, eight hundred sixty-four million, eighty-nine thousand, five hundred ninety-two 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 491285624012880972 cubic inches would be around 65755.2 feet tall.

Recreational maths with 491285624012880972

• 491285624012880972 backwards is 279088210426582194
• The number of decimal digits it has is: 18
• The sum of 491285624012880972's digits is 78
• More coming soon!