642343862684983563

Names of 642343862684983563

• Cardinal: 642343862684983563 can be written as Six hundred forty-two quadrillion, three hundred forty-three trillion, eight hundred sixty-two billion, six hundred eighty-four million, nine hundred eighty-three thousand, five hundred sixty-three.

Scientific notation

• Scientific notation: 6.42343862684983563 × 10¹⁷

Factors of 642343862684983563

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 113

Divisors of 642343862684983563

• Number of divisors d(n): 140
• Complete list of divisors:
  1 3 9 13 27 39 97 117 169 291 351 507 873 1261 1521 2197 2619 3783 4563 6591 9409 11349 16393 19773 28227 28561 34047 49179 59319 84681 85683 122317 147537 213109 254043 257049 366951 442611 639327 771147 912673 1100853 1590121 1917981 2738019 2770417 3302559 4770363 5753943 8214057 8311251 11864749 14311089 20671573 24642171 24933753 35594247 42933267 62014719 74801259 88529281 106782741 154241737 186044157 265587843 268730449 320348223 462725211 558132471 796763529 806191347 1150880653 1388175633 2005142581 2390290587 2418574041 3452641959 4164526899 6015427743 7255722123 8587340257 10357925877 14961448489 18046283229 25762020771 26066853553 31073777631 44884345467 54138849687 77286062313 78200560659 111635423341 134653036401 194498830357 231858186939 234601681977 334906270023 403959109203 583496491071 703805045931 832972004929 1004718810069 1451260503433 1750489473213 2498916014787 2528484794641 3014156430207 4353781510299 5251468419639 7496748044361 7585454383923 10828636064077 13061344530897 18866386544629 22490244133083 22756363151769 32485908192231 39184033592691 56599159633887 68269089455307 97457724576693 140772268833001 169797478901661 245263025080177 292373173730079 422316806499003 509392436704983 735789075240531 1266950419497009 1830039494829013 2207367225721593 3800851258491027 5490118484487039 6622101677164779 16470355453461117 23790513432777169 49411066360383351 71371540298331507 214114620894994521 642343862684983563
• Sum of all divisors σ(n): 1041658216682193080
• Sum of proper divisors (its aliquot sum) s(n): 399314353997209517
• 642343862684983563 is a deficient number, because the sum of its proper divisors (399314353997209517) is less than itself. Its deficiency is 243029508687774046

Bases of 642343862684983563

• Binary: 100011101010000100000101011011111110111111011010000100001011₂
• Hexadecimal: 0x8EA1056FEFDA10B
• Base-36: 4VORW8RRKV0R

Squares and roots of 642343862684983563

• 642343862684983563 squared (642343862684983563²) is 412605637929065018997083093580174969
• 642343862684983563 cubed (642343862684983563³) is 265034699232957386334228619036481660270800954429034547
• The square root of 642343862684983563 is 801463575.3950291425
• The cube root of 642343862684983563 is 862824.6149938197
• Being both a perfect square and a perfect cube, 642343862684983563 is also a perfect sixth number.

Scales and comparisons

• 642,343,862,684,983,563 seconds is equal to 20,424,547,933 years, 18 weeks, 4 days, 20 hours, 46 minutes, 3 seconds.
• To count from 1 to 642,343,862,684,983,563 would take you about sixty-one billion, two hundred seventy-three million, six hundred forty-three thousand, eight 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 642343862684983563 cubic inches would be around 71902.1 feet tall.

Recreational maths with 642343862684983563

• 642343862684983563 backwards is 365389486268343246
• The number of decimal digits it has is: 18
• The sum of 642343862684983563's digits is 90
• More coming soon!