12808439460

Names of 12808439460

• Cardinal: 12808439460 can be written as Twelve billion, eight hundred eight million, four hundred thirty-nine thousand, four hundred sixty.

Scientific notation

• Scientific notation: 1.280843946 × 10¹⁰

Factors of 12808439460

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 194268

Divisors of 12808439460

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 367 734 1101 1468 1835 2202 3303 3670 4404 5505 6606 7340 11010 13212 16515 22020 33030 66060 193891 387782 581673 775564 969455 1163346 1745019 1938910 2326692 2908365 3490038 3877820 5816730 6980076 8725095 11633460 17450190 34900380 71157997 142315994 213473991 284631988 355789985 426947982 640421973 711579970 853895964 1067369955 1280843946 1423159940 2134739910 2561687892 3202109865 4269479820 6404219730 12808439460
• Sum of all divisors σ(n): 38958331776
• Sum of proper divisors (its aliquot sum) s(n): 26149892316
• 12808439460 is an abundant number, because the sum of its proper divisors (26149892316) is greater than itself. Its abundance is 13341452856

Bases of 12808439460

• Binary: 1011111011011100010100011010100100₂
• Hexadecimal: 0x2FB7146A4
• Base-36: 5VTTB50

Squares and roots of 12808439460

• 12808439460 squared (12808439460²) is 164056121400485091600
• 12808439460 cubed (12808439460³) is 2101302899000523710391154536000
• The square root of 12808439460 is 113174.3763402299
• The cube root of 12808439460 is 2339.7281845129

Scales and comparisons

• 12,808,439,460 seconds is equal to 407 years, 13 weeks, 6 days, 19 hours, 51 minutes.
• To count from 1 to 12,808,439,460 would take you about eight hundred fourteen 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 12808439460 cubic inches would be around 195 feet tall.

Recreational maths with 12808439460

• 12808439460 backwards is 06493480821
• 12808439460 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12808439460's digits is 45
• More coming soon!