13005447839

Names of 13005447839

• Cardinal: 13005447839 can be written as Thirteen billion, five million, four hundred forty-seven thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.3005447839 × 10¹⁰

Factors of 13005447839

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 268800

Divisors of 13005447839

• Number of divisors d(n): 4
• Complete list of divisors:
  1 63281 205519 13005447839
• Sum of all divisors σ(n): 13005716640
• Sum of proper divisors (its aliquot sum) s(n): 268801
• 13005447839 is a deficient number, because the sum of its proper divisors (268801) is less than itself. Its deficiency is 13005179038

Bases of 13005447839

• Binary: 1100000111001011110110001010011111₂
• Hexadecimal: 0x3072F629F
• Base-36: 5Z33VRZ

Squares and roots of 13005447839

• 13005447839 squared (13005447839²) is 169141673492949769921
• 13005447839 cubed (13005447839³) is 2199763212013727166954616650719
• The square root of 13005447839 is 114041.4303619523
• The cube root of 13005447839 is 2351.6630955123

Scales and comparisons

• 13,005,447,839 seconds is equal to 413 years, 27 weeks, 5 days, 23 minutes, 59 seconds.
• To count from 1 to 13,005,447,839 would take you about eight hundred twenty-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 13005447839 cubic inches would be around 196 feet tall.

Recreational maths with 13005447839

• 13005447839 backwards is 93874450031
• The number of decimal digits it has is: 11
• The sum of 13005447839's digits is 44
• More coming soon!