420378538255

Names of 420378538255

• Cardinal: 420378538255 can be written as Four hundred twenty billion, three hundred seventy-eight million, five hundred thirty-eight thousand, two hundred fifty-five.

Scientific notation

• Scientific notation: 4.20378538255 × 10¹¹

Factors of 420378538255

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2036

Divisors of 420378538255

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 13 37 65 185 233 481 757 991 1165 2405 3029 3785 4955 8621 9841 12883 15145 28009 36667 43105 49205 64415 112073 140045 176381 183335 230903 364117 476671 560365 750187 881905 1154515 1820585 2292953 2383355 3001739 3750935 6526097 8543411 9752431 11464765 15008695 27756919 32630485 42717055 48762155 84839261 111064343 138784595 174793571 360839947 424196305 555321715 873967855 1804199735 2272316423 6467362127 11361582115 32336810635 84075707651 420378538255
• Sum of all divisors σ(n): 561642052608
• Sum of proper divisors (its aliquot sum) s(n): 141263514353
• 420378538255 is a deficient number, because the sum of its proper divisors (141263514353) is less than itself. Its deficiency is 279115023902

Bases of 420378538255

• Binary: 110000111100000100000110111000100001111₂
• Hexadecimal: 0x61E083710F
• Base-36: 5D4AJ027

Squares and roots of 420378538255

• 420378538255 squared (420378538255²) is 176718115425410498445025
• 420378538255 cubed (420378538255³) is 74288503045712432819650559976931375
• The square root of 420378538255 is 648366.0526700947
• The cube root of 420378538255 is 7491.1215724987

Scales and comparisons

• 420,378,538,255 seconds is equal to 13,366 years, 38 weeks, 2 days, 8 hours, 10 minutes, 55 seconds.
• To count from 1 to 420,378,538,255 would take you about twenty-six thousand, seven hundred thirty-three 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 420378538255 cubic inches would be around 624.3 feet tall.

Recreational maths with 420378538255

• 420378538255 backwards is 552835873024
• The number of decimal digits it has is: 12
• The sum of 420378538255's digits is 52
• More coming soon!