1389164937918911

Names of 1389164937918911

• Cardinal: 1389164937918911 can be written as One quadrillion, three hundred eighty-nine trillion, one hundred sixty-four billion, nine hundred thirty-seven million, nine hundred eighteen thousand, nine hundred eleven.

Scientific notation

• Scientific notation: 1.389164937918911 × 10¹⁵

Factors of 1389164937918911

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1389164937918911

Divisors of 1389164937918911

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1389164937918911
• Sum of all divisors σ(n): 1389164937918912
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1389164937918911 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1389164937918910

Bases of 1389164937918911

• Binary: 100111011110111000000101010101010001011100110111111₂
• Hexadecimal: 0x4EF702AA8B9BF
• Base-36: DOF1K8UZZZ

Squares and roots of 1389164937918911

• 1389164937918911 squared (1389164937918911²) is 1929779224743251852691611425921
• 1389164937918911 cubed (1389164937918911³) is 2680781636937663658307521970126727478981492031
• The square root of 1389164937918911 is 37271503.0273654379
• The cube root of 1389164937918911 is 111579.5497100207

Scales and comparisons

• 1,389,164,937,918,911 seconds is equal to 44,171,148 years, 2 weeks, 6 days, 13 hours, 55 minutes, 11 seconds.
• To count from 1 to 1,389,164,937,918,911 would take you about one hundred thirty-two million, five hundred thirteen thousand, four hundred forty-four 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 1389164937918911 cubic inches would be around 9298.3 feet tall.

Recreational maths with 1389164937918911

• 1389164937918911 backwards is 1198197394619831
• The number of decimal digits it has is: 16
• The sum of 1389164937918911's digits is 80
• More coming soon!