77138

Names of 77138

• Cardinal: 77138 can be written as Seventy-seven thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.7138 × 10⁴

Factors of 77138

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 38571

Divisors of 77138

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 38569 77138
• Sum of all divisors σ(n): 115710
• Sum of proper divisors (its aliquot sum) s(n): 38572
• 77138 is a deficient number, because the sum of its proper divisors (38572) is less than itself. Its deficiency is 38566

Bases of 77138

• Binary: 10010110101010010₂
• Hexadecimal: 0x12D52
• Base-36: 1NIQ

Squares and roots of 77138

• 77138 squared (77138²) is 5950271044
• 77138 cubed (77138³) is 458992007792072
• The square root of 77138 is 277.7372859377
• The cube root of 77138 is 42.5686089063

Scales and comparisons

• 77,138 seconds is equal to 21 hours, 25 minutes, 38 seconds.
• To count from 1 to 77,138 would take you about twenty-one hours.

  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 77138 cubic inches would be around 3.5 feet tall.

Recreational maths with 77138

• 77138 backwards is 83177
• The number of decimal digits it has is: 5
• The sum of 77138's digits is 26
• More coming soon!