421664524981

Names of 421664524981

• Cardinal: 421664524981 can be written as Four hundred twenty-one billion, six hundred sixty-four million, five hundred twenty-four thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 4.21664524981 × 10¹¹

Factors of 421664524981

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 286

Divisors of 421664524981

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 31 37 49 211 217 259 961 1147 1369 1477 1519 1813 6541 6727 7807 8029 9583 10339 29791 35557 42439 45787 47089 54649 56203 67081 202771 208537 242017 248899 288859 297073 320509 382543 1102267 1315609 1419397 1459759 1694119 1742293 2022013 2079511 6285901 7502527 7715869 8954629 9209263 9935779 11858833 14154091 40783879 44001307 52517689 54011083 62682403 64464841 232578337 277593499 285487153 308009149 367623823 438776821 1628048359 1943154493 1998410071 8605398469 11396338513 13602081451 60237789283 421664524981
• Sum of all divisors σ(n): 523395355392
• Sum of proper divisors (its aliquot sum) s(n): 101730830411
• 421664524981 is a deficient number, because the sum of its proper divisors (101730830411) is less than itself. Its deficiency is 319933694570

Bases of 421664524981

• Binary: 110001000101101001010100000101010110101₂
• Hexadecimal: 0x622D2A0AB5
• Base-36: 5DPK65RP

Squares and roots of 421664524981

• 421664524981 squared (421664524981²) is 177800971627452373050361
• 421664524981 cubed (421664524981³) is 74972362242449963381481677055568141
• The square root of 421664524981 is 649357.0088795531
• The cube root of 421664524981 is 7498.7525331499

Scales and comparisons

• 421,664,524,981 seconds is equal to 13,407 years, 32 weeks, 4 days, 10 hours, 43 minutes, 1 second.
• To count from 1 to 421,664,524,981 would take you about twenty-six thousand, eight hundred fifteen 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 421664524981 cubic inches would be around 624.9 feet tall.

Recreational maths with 421664524981

• 421664524981 backwards is 189425466124
• The number of decimal digits it has is: 12
• The sum of 421664524981's digits is 52
• More coming soon!