804142138

Names of 804142138

• Cardinal: 804142138 can be written as Eight hundred four million, one hundred forty-two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 8.04142138 × 10⁸

Factors of 804142138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6591392

Divisors of 804142138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 61 122 6591329 13182658 402071069 804142138
• Sum of all divisors σ(n): 1225987380
• Sum of proper divisors (its aliquot sum) s(n): 421845242
• 804142138 is a deficient number, because the sum of its proper divisors (421845242) is less than itself. Its deficiency is 382296896

Bases of 804142138

• Binary: 101111111011100011110000111010₂
• Hexadecimal: 0x2FEE3C3A
• Base-36: DARK1M

Squares and roots of 804142138

• 804142138 squared (804142138²) is 646644578107211044
• 804142138 cubed (804142138³) is 519994153565240682139372072
• The square root of 804142138 is 28357.4000571279
• The cube root of 804142138 is 929.9171845939

Scales and comparisons

• 804,142,138 seconds is equal to 25 years, 29 weeks, 4 days, 4 hours, 48 minutes, 58 seconds.
• To count from 1 to 804,142,138 would take you about thirty-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 804142138 cubic inches would be around 77.5 feet tall.

Recreational maths with 804142138

• 804142138 backwards is 831241408
• The number of decimal digits it has is: 9
• The sum of 804142138's digits is 31
• More coming soon!