389129721014

Names of 389129721014

• Cardinal: 389129721014 can be written as Three hundred eighty-nine billion, one hundred twenty-nine million, seven hundred twenty-one thousand and fourteen.

Scientific notation

• Scientific notation: 3.89129721014 × 10¹¹

Factors of 389129721014

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 12486910

Divisors of 389129721014

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 15601 31202 12471307 24942614 194564860507 389129721014
• Sum of all divisors σ(n): 583732042248
• Sum of proper divisors (its aliquot sum) s(n): 194602321234
• 389129721014 is a deficient number, because the sum of its proper divisors (194602321234) is less than itself. Its deficiency is 194527399780

Bases of 389129721014

• Binary: 101101010011001111100000101010010110110₂
• Hexadecimal: 0x5A99F054B6
• Base-36: 4YRHSED2

Squares and roots of 389129721014

• 389129721014 squared (389129721014²) is 151421939776433473188196
• 389129721014 cubed (389129721014³) is 58922777180602266953653758597950744
• The square root of 389129721014 is 623802.6298549887
• The cube root of 389129721014 is 7300.7050111245

Scales and comparisons

• 389,129,721,014 seconds is equal to 12,373 years, 6 weeks, 2 days, 5 hours, 10 minutes, 14 seconds.
• To count from 1 to 389,129,721,014 would take you about twenty-four thousand, seven hundred forty-six 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 389129721014 cubic inches would be around 608.4 feet tall.

Recreational maths with 389129721014

• 389129721014 backwards is 410127921983
• The number of decimal digits it has is: 12
• The sum of 389129721014's digits is 47
• More coming soon!