999168963592021

Names of 999168963592021

• Cardinal: 999168963592021 can be written as Nine hundred ninety-nine trillion, one hundred sixty-eight billion, nine hundred sixty-three million, five hundred ninety-two thousand and twenty-one.

Scientific notation

• Scientific notation: 9.99168963592021 × 10¹⁴

Factors of 999168963592021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1115

Divisors of 999168963592021

• Number of divisors d(n): 32
• Complete list of divisors:
  1 23 79 529 1013 1817 12167 23299 41791 80027 535877 961193 1026169 1840621 12325171 23601887 42334283 81067351 542843401 973688509 1039509197 1864549073 12485398223 23908711531 42884628679 82121226563 549900365213 986346459617 1888788210949 12647708399899 43442128851827 999168963592021
• Sum of all divisors σ(n): 1058849820288000
• Sum of proper divisors (its aliquot sum) s(n): 59680856695979
• 999168963592021 is a deficient number, because the sum of its proper divisors (59680856695979) is less than itself. Its deficiency is 939488106896042

Bases of 999168963592021

• Binary: 11100011001011110100100111001001010011111101010101₂
• Hexadecimal: 0x38CBD27253F55
• Base-36: 9U6BVV57BP

Squares and roots of 999168963592021

• 999168963592021 squared (999168963592021²) is 998338617805553386638934864441
• 999168963592021 cubed (999168963592021³) is 997508962066665539821024125439428402064225261
• The square root of 999168963592021 is 31609634.0312889577
• The cube root of 999168963592021 is 99972.2911092835

Scales and comparisons

• 999,168,963,592,021 seconds is equal to 31,770,482 years, 21 weeks, 2 days, 3 hours, 7 minutes, 1 second.
• To count from 1 to 999,168,963,592,021 would take you about seventy-nine million, four hundred twenty-six thousand, two hundred six 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 999168963592021 cubic inches would be around 8331 feet tall.

Recreational maths with 999168963592021

• 999168963592021 backwards is 120295369861999
• 999168963592021 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 999168963592021's digits is 79
• More coming soon!