138489990324

Names of 138489990324

• Cardinal: 138489990324 can be written as One hundred thirty-eight billion, four hundred eighty-nine million, nine hundred ninety thousand, three hundred twenty-four.

Scientific notation

• Scientific notation: 1.38489990324 × 10¹¹

Factors of 138489990324

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 23221074

Divisors of 138489990324

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 497 852 994 1491 1988 2982 5964 23220991 46441982 69662973 92883964 139325946 162546937 278651892 325093874 487640811 650187748 975281622 1648690361 1950563244 3297380722 4946071083 6594761444 9892142166 11540832527 19784284332 23081665054 34622497581 46163330108 69244995162 138489990324
• Sum of all divisors σ(n): 374508158976
• Sum of proper divisors (its aliquot sum) s(n): 236018168652
• 138489990324 is an abundant number, because the sum of its proper divisors (236018168652) is greater than itself. Its abundance is 97528178328

Bases of 138489990324

• Binary: 10000000111110101001011000110010110100₂
• Hexadecimal: 0x203EA58CB4
• Base-36: 1RMDD4FO

Squares and roots of 138489990324

• 138489990324 squared (138489990324²) is 19179477419941613624976
• 138489990324 cubed (138489990324³) is 2656165642307090555567872804732224
• The square root of 138489990324 is 372142.4328452749
• The cube root of 138489990324 is 5173.7582068577

Scales and comparisons

• 138,489,990,324 seconds is equal to 4,403 years, 28 weeks, 5 days, 9 hours, 45 minutes, 24 seconds.
• To count from 1 to 138,489,990,324 would take you about eight thousand, eight hundred seven 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 138489990324 cubic inches would be around 431.1 feet tall.

Recreational maths with 138489990324

• 138489990324 backwards is 423099984831
• The number of decimal digits it has is: 12
• The sum of 138489990324's digits is 60
• More coming soon!