18839798739935999

Names of 18839798739935999

• Cardinal: 18839798739935999 can be written as Eighteen quadrillion, eight hundred thirty-nine trillion, seven hundred ninety-eight billion, seven hundred thirty-nine million, nine hundred thirty-five thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8839798739935999 × 10¹⁶

Factors of 18839798739935999

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3405159

Divisors of 18839798739935999

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 79 553 2083 4813 14581 33691 164557 380227 1151899 2661589 3398177 10025479 23787239 70178353 268455983 792012841 1879191881 5544089887 7078402691 16355425901 49548818837 114487981307 559193812589 1292078646179 3914356688123 9044550523253 34068352151783 238478465062481 2691399819990857 18839798739935999
• Sum of all divisors σ(n): 21818751622993920
• Sum of proper divisors (its aliquot sum) s(n): 2978952883057921
• 18839798739935999 is a deficient number, because the sum of its proper divisors (2978952883057921) is less than itself. Its deficiency is 15860845856878078

Bases of 18839798739935999

• Binary: 1000010111011101011001001110111100010001010001011111111₂
• Hexadecimal: 0x42EEB27788A2FF
• Base-36: 55I5G24KHRZ

Squares and roots of 18839798739935999

• 18839798739935999 squared (18839798739935999²) is 354938016561294055681686616128001
• 18839798739935999 cubed (18839798739935999³) is 6686960797166850495003389970745493293399931807999
• The square root of 18839798739935999 is 137258146.3518140295
• The cube root of 18839798739935999 is 266088.0799193051

Scales and comparisons

• 18,839,798,739,935,999 seconds is equal to 599,047,324 years, 31 weeks, 3 days, 15 hours, 59 minutes, 59 seconds.
• To count from 1 to 18,839,798,739,935,999 would take you about one billion, seven hundred ninety-seven million, one hundred forty-one thousand, nine hundred seventy-three 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 18839798739935999 cubic inches would be around 22174 feet tall.

Recreational maths with 18839798739935999

• 18839798739935999 backwards is 99953993789793881
• The number of decimal digits it has is: 17
• The sum of 18839798739935999's digits is 116
• More coming soon!