66421409656800

Names of 66421409656800

• Cardinal: 66421409656800 can be written as Sixty-six trillion, four hundred twenty-one billion, four hundred nine million, six hundred fifty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 6.64214096568 × 10¹³

Factors of 66421409656800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2515962508

Divisors of 66421409656800

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 66 75 80 88 96 100 110 120 132 150 160 165 176 200 220 240 264 275 300 330 352 400 440 480 528 550 600 660 800 825 880 1056 1100 1200 1320 1650 1760 2200 2400 2640 3300 4400 5280 6600 8800 13200 26400 2515962487 5031924974 7547887461 10063849948 12579812435 15095774922 20127699896 25159624870 27675587357 30191549844 37739437305 40255399792 50319249740 55351174714 60383099688 62899062175 75478874610 80510799584 83026762071 100638499480 110702349428 120766199376 125798124350 138377936785 150957749220 166053524142 188697186525 201276998960 221404698856 241532398752 251596248700 276755873570 301915498440 332107048284 377394373050 402553997920 415133810355 442809397712 503192497400 553511747140 603830996880 664214096568 691889683925 754788746100 830267620710 885618795424 1006384994800 1107023494280 1207661993760 1328428193136 1383779367850 1509577492200 1660535241420 2012769989600 2075669051775 2214046988560 2656856386272 2767558735700 3019154984400 3321070482840 4151338103550 4428093977120 5535117471400 6038309968800 6642140965680 8302676207100 11070234942800 13284281931360 16605352414200 22140469885600 33210704828400 66421409656800
• Sum of all divisors σ(n): 235856387475072
• Sum of proper divisors (its aliquot sum) s(n): 169434977818272
• 66421409656800 is an abundant number, because the sum of its proper divisors (169434977818272) is greater than itself. Its abundance is 103013568161472

Bases of 66421409656800

• Binary: 1111000110100011110000100001110010111111100000₂
• Hexadecimal: 0x3C68F0872FE0
• Base-36: NJLKOCY5C

Squares and roots of 66421409656800

• 66421409656800 squared (66421409656800²) is 4411803660796444293786240000
• 66421409656800 cubed (66421409656800³) is 293038218279130536594396617770962432000000
• The square root of 66421409656800 is 8149933.1075046255
• The cube root of 66421409656800 is 40498.2287813105

Scales and comparisons

• 66,421,409,656,800 seconds is equal to 2,111,995 years, 19 weeks, 2 days, 11 hours, 20 minutes.
• To count from 1 to 66,421,409,656,800 would take you about five million, two hundred seventy-nine thousand, nine hundred eighty-eight 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 66421409656800 cubic inches would be around 3374.9 feet tall.

Recreational maths with 66421409656800

• 66421409656800 backwards is 00865690412466
• The number of decimal digits it has is: 14
• The sum of 66421409656800's digits is 57
• More coming soon!