664023138

Names of 664023138

• Cardinal: 664023138 can be written as Six hundred sixty-four million, twenty-three thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 6.64023138 × 10⁸

Factors of 664023138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 110670528

Divisors of 664023138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 110670523 221341046 332011569 664023138
• Sum of all divisors σ(n): 1328046288
• Sum of proper divisors (its aliquot sum) s(n): 664023150
• 664023138 is an abundant number, because the sum of its proper divisors (664023150) is greater than itself. Its abundance is 12

Bases of 664023138

• Binary: 100111100101000011000001100010₂
• Hexadecimal: 0x27943062
• Base-36: AZCBJ6

Squares and roots of 664023138

• 664023138 squared (664023138²) is 440926727799367044
• 664023138 cubed (664023138³) is 292785549421407538970664072
• The square root of 664023138 is 25768.6464138107
• The cube root of 664023138 is 872.4242676663

Scales and comparisons

• 664,023,138 seconds is equal to 21 years, 5 weeks, 6 days, 10 hours, 52 minutes, 18 seconds.
• To count from 1 to 664,023,138 would take you about thirty-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 664023138 cubic inches would be around 72.7 feet tall.

Recreational maths with 664023138

• 664023138 backwards is 831320466
• The number of decimal digits it has is: 9
• The sum of 664023138's digits is 33
• More coming soon!