642374867365

Names of 642374867365

• Cardinal: 642374867365 can be written as Six hundred forty-two billion, three hundred seventy-four million, eight hundred sixty-seven thousand, three hundred sixty-five.

Scientific notation

• Scientific notation: 6.42374867365 × 10¹¹

Factors of 642374867365

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5243

Divisors of 642374867365

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 7 11 31 35 55 77 79 137 155 217 341 385 395 553 685 869 959 1085 1507 1705 2387 2449 2765 4247 4345 4795 4973 6083 7535 10549 10823 11935 12245 17143 21235 24865 26939 29729 30415 34811 46717 52745 54115 54703 75761 85715 119053 134695 148645 154163 174055 188573 233585 273515 327019 335513 378805 382921 392867 595265 681301 770815 833371 942865 1079141 1635095 1677565 1695793 1914605 1964335 2348591 2750069 3406505 3690643 4166855 4321537 4769107 5395705 7494311 8478965 11742955 11870551 12178877 13750345 18453215 21120331 21607685 23845535 25834501 30250759 37471555 52460177 53822779 59352755 60894385 85252139 105601655 129172505 133967647 147842317 151253795 232323641 262300885 269113895 376759453 426260695 592050569 669838235 739211585 937773529 1161618205 1626265487 1668506149 1883797265 2960252845 4144353983 4688867645 8131327435 8342530745 11679543043 18353567639 20721769915 58397715215 91767838195 128474973473 642374867365
• Sum of all divisors σ(n): 1012155678720
• Sum of proper divisors (its aliquot sum) s(n): 369780811355
• 642374867365 is a deficient number, because the sum of its proper divisors (369780811355) is less than itself. Its deficiency is 272594056010

Bases of 642374867365

• Binary: 1001010110010000100001101001100110100101₂
• Hexadecimal: 0x95908699A5
• Base-36: 873PERVP

Squares and roots of 642374867365

• 642374867365 squared (642374867365²) is 412645470222201342043225
• 642374867365 cubed (642374867365³) is 265073079202754644173341657471852125
• The square root of 642374867365 is 801482.9177000593
• The cube root of 642374867365 is 8628.3849705515

Scales and comparisons

• 642,374,867,365 seconds is equal to 20,425 years, 27 weeks, 5 days, 7 hours, 9 minutes, 25 seconds.
• To count from 1 to 642,374,867,365 would take you about forty thousand, eight hundred fifty-one 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 642374867365 cubic inches would be around 719 feet tall.

Recreational maths with 642374867365

• 642374867365 backwards is 563768473246
• The number of decimal digits it has is: 12
• The sum of 642374867365's digits is 61
• More coming soon!