427189328621152398881

Names of 427189328621152398881

• Cardinal: 427189328621152398881 can be written as Four hundred twenty-seven quintillion, one hundred eighty-nine quadrillion, three hundred twenty-eight trillion, six hundred twenty-one billion, one hundred fifty-two million, three hundred ninety-eight thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 4.27189328621152398881 × 10²⁰

Factors of 427189328621152398881

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 28062

Divisors of 427189328621152398881

• Number of divisors d(n): 12
• Complete list of divisors:
  1 271 27791 73441 7531361 19902511 772339681 2040998831 209304053551 553110683201 56721398512321 15371498996838991
• Sum of all divisors σ(n): 427189386107806521842
• Sum of proper divisors (its aliquot sum) s(n): 57486654122961
• 427189328621152398881 is a deficient number, because the sum of its proper divisors (57486654122961) is less than itself. Its deficiency is 427189271134498275920

Bases of 427189328621152398881

• Binary: 101110010100001110001010111110000100011101101011001100110111000100001₂
• Hexadecimal: 0x1728715F08ED666E21
• Base-36: 2I5L16NGVZCDGH

Squares and roots of 427189328621152398881

• 427189328621152398881 squared (427189328621152398881²) is 182490722487790936112954986571620930052161
• 427189328621152398881 cubed (427189328621152398881³) is 77958089219148448249402365008750372470251145156296109608031841
• The square root of 427189328621152398881 is 20668558939.1508473131
• 427189328621152398881 is a perfect cube number. Its cube root is 7531361

Scales and comparisons

• 427,189,328,621,152,398,881 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 427,189,328,621,152,398,881 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 427189328621152398881 cubic inches would be around 627613.4 feet tall.

Recreational maths with 427189328621152398881

• 427189328621152398881 backwards is 188893251126823981724
• The number of decimal digits it has is: 21
• The sum of 427189328621152398881's digits is 98
• More coming soon!