642009326922

Names of 642009326922

• Cardinal: 642009326922 can be written as Six hundred forty-two billion, nine million, three hundred twenty-six thousand, nine hundred twenty-two.

Scientific notation

• Scientific notation: 6.42009326922 × 10¹¹

Factors of 642009326922

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 378084

Divisors of 642009326922

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 73 146 219 438 657 1297 1314 2594 3891 7782 11673 23346 94681 189362 284043 376709 568086 753418 852129 1130127 1704258 2260254 3390381 6780762 27499757 54999514 82499271 164998542 247497813 488591573 494995626 977183146 1465774719 2931549438 4397324157 8794648314 35667184829 71334369658 107001554487 214003108974 321004663461 642009326922
• Sum of all divisors σ(n): 1411166207880
• Sum of proper divisors (its aliquot sum) s(n): 769156880958
• 642009326922 is an abundant number, because the sum of its proper divisors (769156880958) is greater than itself. Its abundance is 127147554036

Bases of 642009326922

• Binary: 1001010101111010101111001110010101001010₂
• Hexadecimal: 0x957ABCE54A
• Base-36: 86XNRZ2I

Squares and roots of 642009326922

• 642009326922 squared (642009326922²) is 412175975854839473994084
• 642009326922 cubed (642009326922³) is 264620820831984014275298391849929448
• The square root of 642009326922 is 801254.8451784863
• The cube root of 642009326922 is 8626.7480125099

Scales and comparisons

• 642,009,326,922 seconds is equal to 20,413 years, 47 weeks, 2 days, 12 hours, 8 minutes, 42 seconds.
• To count from 1 to 642,009,326,922 would take you about forty thousand, eight hundred twenty-seven 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 642009326922 cubic inches would be around 718.9 feet tall.

Recreational maths with 642009326922

• 642009326922 backwards is 229623900246
• The number of decimal digits it has is: 12
• The sum of 642009326922's digits is 45
• More coming soon!