18918043596354479083

Names of 18918043596354479083

• Cardinal: 18918043596354479083 can be written as Eighteen quintillion, nine hundred eighteen quadrillion, forty-three trillion, five hundred ninety-six billion, three hundred fifty-four million, four hundred seventy-nine thousand and eighty-three.

Scientific notation

• Scientific notation: 1.8918043596354479083 × 10¹⁹

Factors of 18918043596354479083

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 411268

Divisors of 18918043596354479083

• Number of divisors d(n): 36
• Complete list of divisors:
  1 13 97 919 1261 9409 11947 89143 122317 410239 1158859 5333107 8646871 39793183 112409323 377009641 517311379 3859938751 4901125333 36569935177 50179203763 168296037121 475409157301 2187848482573 3547283712169 16324715600737 46114688258197 154664058114199 212221302809581 1583497413271489 2010632755484587 15002413637077303 20585466372529357 195031377282004939 1455234122796498391 18918043596354479083
• Sum of all divisors σ(n): 20607926906786027760
• Sum of proper divisors (its aliquot sum) s(n): 1689883310431548677
• 18918043596354479083 is a deficient number, because the sum of its proper divisors (1689883310431548677) is less than itself. Its deficiency is 17228160285922930406

Bases of 18918043596354479083

• Binary: 10000011010001010011001000110101100110110000011111110001111101011₂
• Hexadecimal: 0x1068A646B360FE3EB
• Base-36: 3ZQAMRLW2ICX7

Squares and roots of 18918043596354479083

• 18918043596354479083 squared (18918043596354479083²) is 357892373513568712708253860356284520889
• 18918043596354479083 cubed (18918043596354479083³) is 6770623524932473964932129084593798933708380467095827064787
• The square root of 18918043596354479083 is 4349487739.5337579091
• The cube root of 18918043596354479083 is 2664559.4065911367

Scales and comparisons

• 18,918,043,596,354,479,083 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,918,043,596,354,479,083 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 18918043596354479083 cubic inches would be around 222046.6 feet tall.

Recreational maths with 18918043596354479083

• 18918043596354479083 backwards is 38097445369534081981
• 18918043596354479083 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 18918043596354479083's digits is 97
• More coming soon!