664402335390

Names of 664402335390

• Cardinal: 664402335390 can be written as Six hundred sixty-four billion, four hundred two million, three hundred thirty-five thousand, three hundred ninety.

Scientific notation

• Scientific notation: 6.6440233539 × 10¹¹

Factors of 664402335390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9550910

Divisors of 664402335390

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 773 1546 2319 3865 4638 6957 7730 11595 13914 23190 34785 69570 9550127 19100254 28650381 47750635 57300762 85951143 95501270 143251905 171902286 286503810 429755715 859511430 7382248171 14764496342 22146744513 36911240855 44293489026 66440233539 73822481710 110733722565 132880467078 221467445130 332201167695 664402335390
• Sum of all divisors σ(n): 1729680982848
• Sum of proper divisors (its aliquot sum) s(n): 1065278647458
• 664402335390 is an abundant number, because the sum of its proper divisors (1065278647458) is greater than itself. Its abundance is 400876312068

Bases of 664402335390

• Binary: 1001101010110001011101110001011010011110₂
• Hexadecimal: 0x9AB177169E
• Base-36: 8H7ZZUZI

Squares and roots of 664402335390

• 664402335390 squared (664402335390²) is 441430463271686046452100
• 664402335390 cubed (664402335390³) is 293287430709997829325651263769819000
• The square root of 664402335390 is 815108.7874572327
• The cube root of 664402335390 is 8725.9030507949

Scales and comparisons

• 664,402,335,390 seconds is equal to 21,125 years, 48 weeks, 5 days, 20 hours, 16 minutes, 30 seconds.
• To count from 1 to 664,402,335,390 would take you about forty-two thousand, two hundred fifty-one 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 664402335390 cubic inches would be around 727.2 feet tall.

Recreational maths with 664402335390

• 664402335390 backwards is 093533204466
• 664402335390 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664402335390's digits is 45
• More coming soon!