664351768512

Names of 664351768512

• Cardinal: 664351768512 can be written as Six hundred sixty-four billion, three hundred fifty-one million, seven hundred sixty-eight thousand, five hundred twelve.

Scientific notation

• Scientific notation: 6.64351768512 × 10¹¹

Factors of 664351768512

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 384462834

Divisors of 664351768512

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 384462829 768925658 1153388487 1537851316 2306776974 3075702632 3460165461 4613553948 6151405264 6920330922 9227107896 10380496383 12302810528 13840661844 18454215792 20760992766 24605621056 27681323688 36908431584 41521985532 55362647376 73816863168 83043971064 110725294752 166087942128 221450589504 332175884256 664351768512
• Sum of all divisors σ(n): 1953071176400
• Sum of proper divisors (its aliquot sum) s(n): 1288719407888
• 664351768512 is an abundant number, because the sum of its proper divisors (1288719407888) is greater than itself. Its abundance is 624367639376

Bases of 664351768512

• Binary: 1001101010101110011100110111111111000000₂
• Hexadecimal: 0x9AAE737FC0
• Base-36: 8H75W1C0

Squares and roots of 664351768512

• 664351768512 squared (664351768512²) is 441363272325022034694144
• 664351768512 cubed (664351768512³) is 293220470525371854818423187409993728
• The square root of 664351768512 is 815077.7683828703
• The cube root of 664351768512 is 8725.6816724493

Scales and comparisons

• 664,351,768,512 seconds is equal to 21,124 years, 17 weeks, 1 day, 13 hours, 55 minutes, 12 seconds.
• To count from 1 to 664,351,768,512 would take you about forty-two thousand, two hundred forty-eight 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 664351768512 cubic inches would be around 727.1 feet tall.

Recreational maths with 664351768512

• 664351768512 backwards is 215867153466
• 664351768512 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664351768512's digits is 54
• More coming soon!