421487438845

Names of 421487438845

• Cardinal: 421487438845 can be written as Four hundred twenty-one billion, four hundred eighty-seven million, four hundred thirty-eight thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 4.21487438845 × 10¹¹

Factors of 421487438845

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 17734

Divisors of 421487438845

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 11 31 55 61 155 233 305 341 671 1165 1705 1891 2563 3355 7223 9455 12815 14213 17393 20801 36115 71065 79453 86965 104005 156343 191323 397265 440603 539183 781715 956615 1060973 2203015 2695915 4052569 4846633 5304865 5931013 11670703 20262845 24233165 29655065 32890163 44578259 58353515 125629639 164450815 222891295 247206709 361791793 628148195 1236033545 1381926029 1808958965 2719273799 6909630145 7663407979 13596368995 38317039895 84297487769 421487438845
• Sum of all divisors σ(n): 581419358208
• Sum of proper divisors (its aliquot sum) s(n): 159931919363
• 421487438845 is a deficient number, because the sum of its proper divisors (159931919363) is less than itself. Its deficiency is 261555519482

Bases of 421487438845

• Binary: 110001000100010100110111110101111111101₂
• Hexadecimal: 0x62229BEBFD
• Base-36: 5DMMQL8D

Squares and roots of 421487438845

• 421487438845 squared (421487438845²) is 177651661104117614934025
• 421487438845 cubed (421487438845³) is 74877943645334438402192120897201125
• The square root of 421487438845 is 649220.6395710167
• The cube root of 421487438845 is 7497.7026376591

Scales and comparisons

• 421,487,438,845 seconds is equal to 13,401 years, 51 weeks, 5 days, 20 hours, 7 minutes, 25 seconds.
• To count from 1 to 421,487,438,845 would take you about twenty-six thousand, eight hundred 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 421487438845 cubic inches would be around 624.8 feet tall.

Recreational maths with 421487438845

• 421487438845 backwards is 548834784124
• The number of decimal digits it has is: 12
• The sum of 421487438845's digits is 58
• More coming soon!