640633759427008227

Names of 640633759427008227

• Cardinal: 640633759427008227 can be written as Six hundred forty quadrillion, six hundred thirty-three trillion, seven hundred fifty-nine billion, four hundred twenty-seven million, eight thousand, two hundred twenty-seven.

Scientific notation

• Scientific notation: 6.40633759427008227 × 10¹⁷

Factors of 640633759427008227

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 648176

Divisors of 640633759427008227

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 23 31 69 93 529 713 961 1587 2139 2883 16399 22103 49197 66309 508369 648119 1525107 1944357 14906737 20091689 44720211 60275067 342854951 462108847 622842359 1028564853 1386326541 1868527077 10628503481 14325374257 31885510443 42976122771 329483607911 420058238161 988450823733 1260174714483 9661339477703 13021805382991 28984018433109 39065416148973 222210807987169 299501523808793 403675966872721 666632423961507 898504571426379 1211027900618163 6888535047602239 9284547238072583 20665605142806717 27853641714217749 213544586475669409 640633759427008227
• Sum of all divisors σ(n): 922666064658396996
• Sum of proper divisors (its aliquot sum) s(n): 282032305231388769
• 640633759427008227 is a deficient number, because the sum of its proper divisors (282032305231388769) is less than itself. Its deficiency is 358601454195619458

Bases of 640633759427008227

• Binary: 100011100011111111010000001010001101110001010001011011100011₂
• Hexadecimal: 0x8E3FD028DC516E3
• Base-36: 4V7XPQ6HC6W3

Squares and roots of 640633759427008227

• 640633759427008227 squared (640633759427008227²) is 410411613717581852356206611925683529
• 640633759427008227 cubed (640633759427008227³) is 262923535008399561978893154280604425631718690481393083
• The square root of 640633759427008227 is 800396001.6310727589
• The cube root of 640633759427008227 is 862058.2391063577

Scales and comparisons

• 640,633,759,427,008,227 seconds is equal to 20,370,171,939 years, 23 weeks, 3 days, 17 hours, 50 minutes, 27 seconds.
• To count from 1 to 640,633,759,427,008,227 would take you about sixty-one billion, one hundred ten million, five hundred fifteen thousand, eight hundred eighteen 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 640633759427008227 cubic inches would be around 71838.2 feet tall.

Recreational maths with 640633759427008227

• 640633759427008227 backwards is 722800724957336046
• The number of decimal digits it has is: 18
• The sum of 640633759427008227's digits is 75
• More coming soon!