1138731305

Names of 1138731305

• Cardinal: 1138731305 can be written as One billion, one hundred thirty-eight million, seven hundred thirty-one thousand, three hundred five.

Scientific notation

• Scientific notation: 1.138731305 × 10⁹

Factors of 1138731305

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 76143

Divisors of 1138731305

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 3119 15595 73019 365095 227746261 1138731305
• Sum of all divisors σ(n): 1366934400
• Sum of proper divisors (its aliquot sum) s(n): 228203095
• 1138731305 is a deficient number, because the sum of its proper divisors (228203095) is less than itself. Its deficiency is 910528210

Bases of 1138731305

• Binary: 1000011110111111010100100101001₂
• Hexadecimal: 0x43DFA929
• Base-36: ITYYP5

Squares and roots of 1138731305

• 1138731305 squared (1138731305²) is 1296708984987003025
• 1138731305 cubed (1138731305³) is 1476603114679475362697197625
• The square root of 1138731305 is 33745.0930506941
• The cube root of 1138731305 is 1044.2562582605

Scales and comparisons

• 1,138,731,305 seconds is equal to 36 years, 10 weeks, 5 days, 18 hours, 15 minutes, 5 seconds.
• To count from 1 to 1,138,731,305 would take you about seventy-two 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 1138731305 cubic inches would be around 87 feet tall.

Recreational maths with 1138731305

• 1138731305 backwards is 5031378311
• The number of decimal digits it has is: 10
• The sum of 1138731305's digits is 32
• More coming soon!