642202628694

Names of 642202628694

• Cardinal: 642202628694 can be written as Six hundred forty-two billion, two hundred two million, six hundred twenty-eight thousand, six hundred ninety-four.

Scientific notation

• Scientific notation: 6.42202628694 × 10¹¹

Factors of 642202628694

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 46115596

Divisors of 642202628694

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 11 22 33 66 211 422 633 1266 2321 4642 6963 13926 46115369 92230738 138346107 276692214 507269059 1014538118 1521807177 3043614354 9730342859 19460685718 29191028577 58382057154 107033771449 214067542898 321101314347 642202628694
• Sum of all divisors σ(n): 1407810015360
• Sum of proper divisors (its aliquot sum) s(n): 765607386666
• 642202628694 is an abundant number, because the sum of its proper divisors (765607386666) is greater than itself. Its abundance is 123404757972

Bases of 642202628694

• Binary: 1001010110000110010000100111001001010110₂
• Hexadecimal: 0x9586427256
• Base-36: 870UV3O6

Squares and roots of 642202628694

• 642202628694 squared (642202628694²) is 412424216301483632145636
• 642202628694 cubed (642202628694³) is 264859915845875634976142358640479384
• The square root of 642202628694 is 801375.4605015055
• The cube root of 642202628694 is 8627.6137311601

Scales and comparisons

• 642,202,628,694 seconds is equal to 20,420 years, 2 weeks, 6 days, 19 hours, 4 minutes, 54 seconds.
• To count from 1 to 642,202,628,694 would take you about forty thousand, eight hundred forty 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 642202628694 cubic inches would be around 719 feet tall.

Recreational maths with 642202628694

• 642202628694 backwards is 496826202246
• The number of decimal digits it has is: 12
• The sum of 642202628694's digits is 51
• More coming soon!