668137613094

Names of 668137613094

• Cardinal: 668137613094 can be written as Six hundred sixty-eight billion, one hundred thirty-seven million, six hundred thirteen thousand and ninety-four.

Scientific notation

• Scientific notation: 6.68137613094 × 10¹¹

Factors of 668137613094

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 178836

Divisors of 668137613094

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 10501 21002 31503 63006 73507 94509 147014 168323 189018 220521 283527 336646 441042 504969 567054 661563 1009938 1178261 1323126 1514907 1984689 2356522 3029814 3534783 3969378 4544721 7069566 9089442 10604349 21208698 31813047 63626094 1767559823 3535119646 5302679469 10605358938 12372918761 15908038407 24745837522 31816076814 37118756283 47724115221 74237512566 95448230442 111356268849 222712537698 334068806547 668137613094
• Sum of all divisors σ(n): 1697029102080
• Sum of proper divisors (its aliquot sum) s(n): 1028891488986
• 668137613094 is an abundant number, because the sum of its proper divisors (1028891488986) is greater than itself. Its abundance is 360753875892

Bases of 668137613094

• Binary: 1001101110010000000110101110011100100110₂
• Hexadecimal: 0x9B901AE726
• Base-36: 8IXRVTPI

Squares and roots of 668137613094

• 668137613094 squared (668137613094²) is 446407870030947640252836
• 668137613094 cubed (668137613094³) is 298261888748853932269421639704234584
• The square root of 668137613094 is 817396.8516540787
• The cube root of 668137613094 is 8742.2248780861

Scales and comparisons

• 668,137,613,094 seconds is equal to 21,244 years, 36 weeks, 6 days, 5 hours, 24 minutes, 54 seconds.
• To count from 1 to 668,137,613,094 would take you about forty-two thousand, four hundred eighty-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 668137613094 cubic inches would be around 728.5 feet tall.

Recreational maths with 668137613094

• 668137613094 backwards is 490316731866
• 668137613094 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668137613094's digits is 54
• More coming soon!