998938403842341669542

Names of 998938403842341669542

• Cardinal: 998938403842341669542 can be written as Nine hundred ninety-eight quintillion, nine hundred thirty-eight quadrillion, four hundred three trillion, eight hundred forty-two billion, three hundred forty-one million, six hundred sixty-nine thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 9.98938403842341669542 × 10²⁰

Factors of 998938403842341669542

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 172647494614991923

Divisors of 998938403842341669542

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 11 22 263 526 2893 5786 172647494614991647 345294989229983294 1899122440764908117 3798244881529816234 45406291083742803161 90812582167485606322 499469201921170834771 998938403842341669542
• Sum of all divisors σ(n): 1640841788820880622592
• Sum of proper divisors (its aliquot sum) s(n): 641903384978538953050
• 998938403842341669542 is a deficient number, because the sum of its proper divisors (641903384978538953050) is less than itself. Its deficiency is 357035018863802716492

Bases of 998938403842341669542

• Binary: 1101100010011100001110001000011011000100101110011110110000101010100110₂
• Hexadecimal: 0x36270E21B12E7B0AA6
• Base-36: 5UTGRIOVLM157Q

Squares and roots of 998938403842341669542

• 998938403842341669542 squared (998938403842341669542²) is 997877934671085294014817931098803930489764
• 998938403842341669542 cubed (998938403842341669542³) is 996818591289826439369912475621128909702492683374951525501568088
• The square root of 998938403842341669542 is 31605986835.4453009561
• The cube root of 998938403842341669542 is 9996460.0931949813

Scales and comparisons

• 998,938,403,842,341,669,542 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 998,938,403,842,341,669,542 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 998938403842341669542 cubic inches would be around 833038.3 feet tall.

Recreational maths with 998938403842341669542

• 998938403842341669542 backwards is 245966143248304839899
• The number of decimal digits it has is: 21
• The sum of 998938403842341669542's digits is 107
• More coming soon!