13281091247640

Names of 13281091247640

• Cardinal: 13281091247640 can be written as Thirteen trillion, two hundred eighty-one billion, ninety-one million, two hundred forty-seven thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.328109124764 × 10¹³

Factors of 13281091247640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 665372

Divisors of 13281091247640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 331739 333623 663478 667246 995217 1000869 1326956 1334492 1658695 1668115 1990434 2001738 2653912 2668984 3317390 3336230 3980868 4003476 4976085 5004345 6634780 6672460 7961736 8006952 9952170 10008690 13269560 13344920 19904340 20017380 39808680 40034760 110675760397 221351520794 332027281191 442703041588 553378801985 664054562382 885406083176 1106757603970 1328109124764 1660136405955 2213515207940 2656218249528 3320272811910 4427030415880 6640545623820 13281091247640
• Sum of all divisors σ(n): 39843513273600
• Sum of proper divisors (its aliquot sum) s(n): 26562422025960
• 13281091247640 is an abundant number, because the sum of its proper divisors (26562422025960) is greater than itself. Its abundance is 13281330778320

Bases of 13281091247640

• Binary: 11000001010000111110101110011101111000011000₂
• Hexadecimal: 0xC143EB9DE18
• Base-36: 4PH8YTKBC

Squares and roots of 13281091247640

• 13281091247640 squared (13281091247640²) is 176387384728139811805569600
• 13281091247640 cubed (13281091247640³) is 2342616951507007055389187159964855744000
• The square root of 13281091247640 is 3644323.1535691233
• The cube root of 13281091247640 is 23681.6115725231

Scales and comparisons

• 13,281,091,247,640 seconds is equal to 422,297 years, 32 weeks, 1 day, 21 hours, 14 minutes.
• To count from 1 to 13,281,091,247,640 would take you about one million, fifty-five thousand, seven 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 13281091247640 cubic inches would be around 1973.5 feet tall.

Recreational maths with 13281091247640

• 13281091247640 backwards is 04674219018231
• The number of decimal digits it has is: 14
• The sum of 13281091247640's digits is 48
• More coming soon!