18327723210409168831

Names of 18327723210409168831

• Cardinal: 18327723210409168831 can be written as Eighteen quintillion, three hundred twenty-seven quadrillion, seven hundred twenty-three trillion, two hundred ten billion, four hundred nine million, one hundred sixty-eight thousand, eight hundred thirty-one.

Scientific notation

• Scientific notation: 1.8327723210409168831 × 10¹⁹

Factors of 18327723210409168831

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 313165254

Divisors of 18327723210409168831

• Number of divisors d(n): 16
• Complete list of divisors:
  1 11 877 9647 6188887 68077757 306975479 3376730269 5427653899 59704192889 269217495083 2961392445913 1899836551301873 20898202064320603 1666156655491742621 18327723210409168831
• Sum of all divisors σ(n): 20016681204016304640
• Sum of proper divisors (its aliquot sum) s(n): 1688957993607135809
• 18327723210409168831 is a deficient number, because the sum of its proper divisors (1688957993607135809) is less than itself. Its deficiency is 16638765216802033022

Bases of 18327723210409168831

• Binary: 1111111001011001001001110010011111001010000111101100111110111111₂
• Hexadecimal: 0xFE592727CA1ECFBF
• Base-36: 3V8U3NKEFD7SV

Squares and roots of 18327723210409168831

• 18327723210409168831 squared (18327723210409168831²) is 335905438077370970261621954152261906561
• 18327723210409168831 cubed (18327723210409168831³) is 6156381893953291742868809228817250038021307581123395600191
• The square root of 18327723210409168831 is 4281089021.5468737471
• The cube root of 18327723210409168831 is 2636550.9755194281

Scales and comparisons

• 18,327,723,210,409,168,831 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,327,723,210,409,168,831 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 18327723210409168831 cubic inches would be around 219712.6 feet tall.

Recreational maths with 18327723210409168831

• 18327723210409168831 backwards is 13886190401232772381
• The number of decimal digits it has is: 20
• The sum of 18327723210409168831's digits is 76
• More coming soon!