668816613727449137713009

Names of 668816613727449137713009

• Cardinal: 668816613727449137713009 can be written as Six hundred sixty-eight sextillion, eight hundred sixteen quintillion, six hundred thirteen quadrillion, seven hundred twenty-seven trillion, four hundred forty-nine billion, one hundred thirty-seven million, seven hundred thirteen thousand and nine.

Scientific notation

• Scientific notation: 6.68816613727449137713009 × 10²³

Factors of 668816613727449137713009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 297

Divisors of 668816613727449137713009

• Number of divisors d(n): 105
• Complete list of divisors:
  1 13 103 169 181 1339 2353 10609 17407 18643 30589 32761 137917 242359 425893 1092727 1792921 1920229 3150667 3374383 5536609 5929741 14205451 24962977 43866979 77086633 112550881 184670863 197783587 324518701 347561449 570270727 610763323 1002126229 1073283121 1463161453 2571186631 4518298837 7939923199 13952680573 19021098889 20371709461 33425426203 35798829247 58737884881 62908622269 103219001587 110548161463 181384847449 194264244901 264832222993 465384780211 817812089497 1437126099019 2525435183713 3442818898909 3687279412441 6050002142743 6479588093707 10631557163461 11386460630689 18682639287247 20009217224803 32830657388269 35161828327081 47934632361733 84234645218191 148023988198957 260119823922439 457103768252053 623150220702529 667397573651821 1095050387836483 1172805444960967 1924311846586441 2060949374154709 3381557710991707 3621668317689343 5942348987276689 8676168457473673 15246470784492571 26792341864011217 47081688129961459 112790189947157749 120798960830979601 198204120198403423 212277785537935027 348300444232145821 373031836722002329 612061945689498967 1570386490802734813 2759611211993155351 4849413877386030277 20415024380435552569 21864611910407307781 35874945755911019563 38422279182366239887 63042380406018393601 284239954835295001153 499489629370761118531 3695119412858835014989 3957494755783722708361 6493365181819894540903 51447431825188395208693 668816613727449137713009
• Sum of all divisors σ(n): 735384650043857848995741
• Sum of proper divisors (its aliquot sum) s(n): 66568036316408711282732
• 668816613727449137713009 is a deficient number, because the sum of its proper divisors (66568036316408711282732) is less than itself. Its deficiency is 602248577411040426430277

Bases of 668816613727449137713009

• Binary: 10001101101000001001111100001100001100101101001101111011000000101000111101110001₂
• Hexadecimal: 0x8DA09F0C32D37B028F71
• Base-36: 30WSR2YCAFD5RLO1

Squares and roots of 668816613727449137713009

• 668816613727449137713009 squared (668816613727449137713009²) is 447315662797851906359152738796434332954847834081
• 668816613727449137713009 cubed (668816613727449137713009³) is 299172146859708808874542164462108968833661319642121951827345737427259729
• 668816613727449137713009 is a perfect square number. Its square root is 817812089497
• The cube root of 668816613727449137713009 is 87451853.2935578211
• Being both a perfect square and a perfect cube, 668816613727449137713009 is also a perfect sixth number.

Scales and comparisons

• 668,816,613,727,449,137,713,009 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 668,816,613,727,449,137,713,009 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 668816613727449137713009 cubic inches would be around 7287654.4 feet tall.

Recreational maths with 668816613727449137713009

• 668816613727449137713009 backwards is 900317731944727316618866
• The number of decimal digits it has is: 24
• The sum of 668816613727449137713009's digits is 109
• More coming soon!