42457656857

Names of 42457656857

• Cardinal: 42457656857 can be written as Forty-two billion, four hundred fifty-seven million, six hundred fifty-six thousand, eight hundred fifty-seven.

Scientific notation

• Scientific notation: 4.2457656857 × 10¹⁰

Factors of 42457656857

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 756

Divisors of 42457656857

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 29 49 67 71 77 203 319 469 497 539 571 737 781 1421 1943 2059 2233 3283 3479 3997 4757 5159 5467 6281 13601 14413 15631 16559 21373 22649 27979 33299 36113 38257 38269 40541 43967 52327 95207 100891 115913 137953 149611 158543 182149 233093 267799 283787 307769 366289 420827 445951 811391 965671 1047277 1109453 1109801 1175689 1275043 1517483 1874593 1986509 2564023 2716247 2945789 3121657 6759697 7766171 8229823 8925301 10622381 12203983 12932579 19013729 20620523 21851599 29878717 54363197 57608761 74356667 78771163 85427881 90528053 133096103 209151019 551398141 597995167 633696371 866482793 1464057133 3859786987 6065379551 42457656857
• Sum of all divisors σ(n): 57466506240
• Sum of proper divisors (its aliquot sum) s(n): 15008849383
• 42457656857 is a deficient number, because the sum of its proper divisors (15008849383) is less than itself. Its deficiency is 27448807474

Bases of 42457656857

• Binary: 100111100010101011000110111000011001₂
• Hexadecimal: 0x9E2AC6E19
• Base-36: JI66XP5

Squares and roots of 42457656857

• 42457656857 squared (42457656857²) is 1802652625786759118449
• 42457656857 cubed (42457656857³) is 76536406618024248305223460054793
• The square root of 42457656857 is 206052.5584820533
• The cube root of 42457656857 is 3488.6066762935

Scales and comparisons

• 42,457,656,857 seconds is equal to 1,350 years, 1 week, 1 day, 1 hour, 34 minutes, 17 seconds.
• To count from 1 to 42,457,656,857 would take you about two thousand, seven hundred 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 42457656857 cubic inches would be around 290.7 feet tall.

Recreational maths with 42457656857

• 42457656857 backwards is 75865675424
• The number of decimal digits it has is: 11
• The sum of 42457656857's digits is 59
• More coming soon!