1138442519

Names of 1138442519

• Cardinal: 1138442519 can be written as One billion, one hundred thirty-eight million, four hundred forty-two thousand, five hundred nineteen.

Scientific notation

• Scientific notation: 1.138442519 × 10⁹

Factors of 1138442519

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2690

Divisors of 1138442519

• Number of divisors d(n): 16
• Complete list of divisors:
  1 17 73 421 1241 2179 7157 30733 37043 159067 522461 917359 2704139 15595103 66967207 1138442519
• Sum of all divisors σ(n): 1225386720
• Sum of proper divisors (its aliquot sum) s(n): 86944201
• 1138442519 is a deficient number, because the sum of its proper divisors (86944201) is less than itself. Its deficiency is 1051498318

Bases of 1138442519

• Binary: 1000011110110110100000100010111₂
• Hexadecimal: 0x43DB4117
• Base-36: ITSRVB

Squares and roots of 1138442519

• 1138442519 squared (1138442519²) is 1296051369067065361
• 1138442519 cubed (1138442519³) is 1475479985354108569514484359
• The square root of 1138442519 is 33740.8138461419
• The cube root of 1138442519 is 1044.1679751911

Scales and comparisons

• 1,138,442,519 seconds is equal to 36 years, 10 weeks, 2 days, 10 hours, 1 minute, 59 seconds.
• To count from 1 to 1,138,442,519 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 1138442519 cubic inches would be around 87 feet tall.

Recreational maths with 1138442519

• 1138442519 backwards is 9152448311
• The number of decimal digits it has is: 10
• The sum of 1138442519's digits is 38
• More coming soon!