13279933840

Names of 13279933840

• Cardinal: 13279933840 can be written as Thirteen billion, two hundred seventy-nine million, nine hundred thirty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.327993384 × 10¹⁰

Factors of 13279933840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 194113

Divisors of 13279933840

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 859 1718 3436 4295 6872 8590 13744 17180 34360 68720 193247 386494 772988 966235 1545976 1932470 3091952 3864940 7729880 15459760 165999173 331998346 663996692 829995865 1327993384 1659991730 2655986768 3319983460 6639966920 13279933840
• Sum of all divisors σ(n): 30911950080
• Sum of proper divisors (its aliquot sum) s(n): 17632016240
• 13279933840 is an abundant number, because the sum of its proper divisors (17632016240) is greater than itself. Its abundance is 4352082400

Bases of 13279933840

• Binary: 1100010111100010111011010110010000₂
• Hexadecimal: 0x3178BB590
• Base-36: 63MJ2J4

Squares and roots of 13279933840

• 13279933840 squared (13279933840²) is 176356642794777145600
• 13279933840 cubed (13279933840³) is 2342004548559153191112047104000
• The square root of 13279933840 is 115238.5952708553
• The cube root of 13279933840 is 2368.0923625179

Scales and comparisons

• 13,279,933,840 seconds is equal to 422 years, 13 weeks, 3 days, 22 hours, 30 minutes, 40 seconds.
• To count from 1 to 13,279,933,840 would take you about eight 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 13279933840 cubic inches would be around 197.3 feet tall.

Recreational maths with 13279933840

• 13279933840 backwards is 04833997231
• The number of decimal digits it has is: 11
• The sum of 13279933840's digits is 49
• More coming soon!