1138989601

Names of 1138989601

• Cardinal: 1138989601 can be written as One billion, one hundred thirty-eight million, nine hundred eighty-nine thousand, six hundred one.

Scientific notation

• Scientific notation: 1.138989601 × 10⁹

Factors of 1138989601

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 49521310

Divisors of 1138989601

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 49521287 1138989601
• Sum of all divisors σ(n): 1188510912
• Sum of proper divisors (its aliquot sum) s(n): 49521311
• 1138989601 is a deficient number, because the sum of its proper divisors (49521311) is less than itself. Its deficiency is 1089468290

Bases of 1138989601

• Binary: 1000011111000111001101000100001₂
• Hexadecimal: 0x43E39A21
• Base-36: IU4I01

Squares and roots of 1138989601

• 1138989601 squared (1138989601²) is 1297297311186139201
• 1138989601 cubed (1138989601³) is 1477608146846273525277448801
• The square root of 1138989601 is 33748.9199975347
• The cube root of 1138989601 is 1044.3352077667

Scales and comparisons

• 1,138,989,601 seconds is equal to 36 years, 11 weeks, 1 day, 18 hours, 1 second.
• To count from 1 to 1,138,989,601 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 1138989601 cubic inches would be around 87 feet tall.

Recreational maths with 1138989601

• 1138989601 backwards is 1069898311
• The number of decimal digits it has is: 10
• The sum of 1138989601's digits is 46
• More coming soon!