664138077180

Names of 664138077180

• Cardinal: 664138077180 can be written as Six hundred sixty-four billion, one hundred thirty-eight million, seventy-seven thousand, one hundred eighty.

Scientific notation

• Scientific notation: 6.6413807718 × 10¹¹

Factors of 664138077180

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 216876

Divisors of 664138077180

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 82189 134677 164378 246567 269354 328756 404031 410945 493134 538708 673385 808062 821890 986268 1232835 1346770 1616124 1643780 2020155 2465670 2693540 4040310 4931340 8080620 11068967953 22137935906 33206903859 44275871812 55344839765 66413807718 110689679530 132827615436 166034519295 221379359060 332069038590 664138077180
• Sum of all divisors σ(n): 1859623049760
• Sum of proper divisors (its aliquot sum) s(n): 1195484972580
• 664138077180 is an abundant number, because the sum of its proper divisors (1195484972580) is greater than itself. Its abundance is 531346895400

Bases of 664138077180

• Binary: 1001101010100001101101101101001111111100₂
• Hexadecimal: 0x9AA1B6D3FC
• Base-36: 8H3MNW1O

Squares and roots of 664138077180

• 664138077180 squared (664138077180²) is 441079385560347636752400
• 664138077180 cubed (664138077180³) is 292937615009785136325096035750232000
• The square root of 664138077180 is 814946.6713718143
• The cube root of 664138077180 is 8724.7460223003

Scales and comparisons

• 664,138,077,180 seconds is equal to 21,117 years, 27 weeks, 6 days, 7 hours, 13 minutes.
• To count from 1 to 664,138,077,180 would take you about forty-two thousand, two hundred thirty-five 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 664138077180 cubic inches would be around 727.1 feet tall.

Recreational maths with 664138077180

• 664138077180 backwards is 081770831466
• The number of decimal digits it has is: 12
• The sum of 664138077180's digits is 51
• More coming soon!