664637148320

Names of 664637148320

• Cardinal: 664637148320 can be written as Six hundred sixty-four billion, six hundred thirty-seven million, one hundred forty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 6.6463714832 × 10¹¹

Factors of 664637148320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 769465

Divisors of 664637148320

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 5437 10874 21748 27185 43496 54370 86992 108740 173984 217480 434960 764021 869920 1528042 3056084 3820105 6112168 7640210 12224336 15280420 24448672 30560840 61121680 122243360 4153982177 8307964354 16615928708 20769910885 33231857416 41539821770 66463714832 83079643540 132927429664 166159287080 332318574160 664637148320
• Sum of all divisors σ(n): 1570496118408
• Sum of proper divisors (its aliquot sum) s(n): 905858970088
• 664637148320 is an abundant number, because the sum of its proper divisors (905858970088) is greater than itself. Its abundance is 241221821768

Bases of 664637148320

• Binary: 1001101010111111011101100000110010100000₂
• Hexadecimal: 0x9ABF760CA0
• Base-36: 8HBVSPSW

Squares and roots of 664637148320

• 664637148320 squared (664637148320²) is 441742538926941678822400
• 664637148320 cubed (664637148320³) is 293598501364039110231473271738368000
• The square root of 664637148320 is 815252.8125189143
• The cube root of 664637148320 is 8726.9308986417

Scales and comparisons

• 664,637,148,320 seconds is equal to 21,133 years, 21 weeks, 14 hours, 5 minutes, 20 seconds.
• To count from 1 to 664,637,148,320 would take you about forty-two thousand, two hundred sixty-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 664637148320 cubic inches would be around 727.2 feet tall.

Recreational maths with 664637148320

• 664637148320 backwards is 023841736466
• The number of decimal digits it has is: 12
• The sum of 664637148320's digits is 50
• More coming soon!