438655142

Names of 438655142

• Cardinal: 438655142 can be written as Four hundred thirty-eight million, six hundred fifty-five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 4.38655142 × 10⁸

Factors of 438655142

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 150574

Divisors of 438655142

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 1471 2942 149101 298202 219327571 438655142
• Sum of all divisors σ(n): 658434432
• Sum of proper divisors (its aliquot sum) s(n): 219779290
• 438655142 is a deficient number, because the sum of its proper divisors (219779290) is less than itself. Its deficiency is 218875852

Bases of 438655142

• Binary: 11010001001010101100010100110₂
• Hexadecimal: 0x1A2558A6
• Base-36: 795WH2

Squares and roots of 438655142

• 438655142 squared (438655142²) is 192418333603040164
• 438655142 cubed (438655142³) is 84405291450044954771123288
• The square root of 438655142 is 20944.0956357633
• The cube root of 438655142 is 759.8147875081

Scales and comparisons

• 438,655,142 seconds is equal to 13 years, 49 weeks, 2 days, 39 minutes, 2 seconds.
• To count from 1 to 438,655,142 would take you about twenty 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 438655142 cubic inches would be around 63.3 feet tall.

Recreational maths with 438655142

• 438655142 backwards is 241556834
• The number of decimal digits it has is: 9
• The sum of 438655142's digits is 38
• More coming soon!