640481440095

Names of 640481440095

• Cardinal: 640481440095 can be written as Six hundred forty billion, four hundred eighty-one million, four hundred forty thousand and ninety-five.

Scientific notation

• Scientific notation: 6.40481440095 × 10¹¹

Factors of 640481440095

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 41722

Divisors of 640481440095

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 15 21 35 45 63 105 149 315 331 447 745 993 1043 1341 1655 2235 2317 2979 3129 4965 5215 6705 6951 9387 11585 14895 15645 20853 34755 41227 46935 49319 104265 123681 147957 206135 246595 288589 345233 371043 443871 618405 739785 865767 1035699 1442945 1726165 1855215 2219355 2597301 3107097 4328835 5178495 6142823 12986505 13646137 15535485 18428469 30714115 40938411 42999761 55285407 68230685 92142345 95522959 122815233 128999283 204692055 214998805 276427035 286568877 386997849 477614795 614076165 644996415 859706631 1432844385 1934989245 2033274413 4298533155 6099823239 10166372065 14232920891 18299469717 30499116195 42698762673 71164604455 91497348585 128096288019 213493813365 640481440095
• Sum of all divisors σ(n): 1281168345600
• Sum of proper divisors (its aliquot sum) s(n): 640686905505
• 640481440095 is an abundant number, because the sum of its proper divisors (640686905505) is greater than itself. Its abundance is 205465410

Bases of 640481440095

• Binary: 1001010100011111101010110011000101011111₂
• Hexadecimal: 0x951FAB315F
• Base-36: 868E421R

Squares and roots of 640481440095

• 640481440095 squared (640481440095²) is 410216475106165073609025
• 640481440095 cubed (640481440095³) is 262736038726691324357900010988857375
• The square root of 640481440095 is 800300.8434926205
• The cube root of 640481440095 is 8619.8991169289

Scales and comparisons

• 640,481,440,095 seconds is equal to 20,365 years, 17 weeks, 15 hours, 8 minutes, 15 seconds.
• To count from 1 to 640,481,440,095 would take you about forty thousand, seven hundred thirty 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 640481440095 cubic inches would be around 718.3 feet tall.

Recreational maths with 640481440095

• 640481440095 backwards is 590044184046
• 640481440095 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640481440095's digits is 45
• More coming soon!