13408585840

Names of 13408585840

• Cardinal: 13408585840 can be written as Thirteen billion, four hundred eight million, five hundred eighty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.340858584 × 10¹⁰

Factors of 13408585840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12892891

Divisors of 13408585840

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 12892871 25785742 51571484 64464355 103142968 128928710 167607323 206285936 257857420 335214646 515714840 670429292 838036615 1031429680 1340858584 1676073230 2681717168 3352146460 6704292920 13408585840
• Sum of all divisors σ(n): 33573038688
• Sum of proper divisors (its aliquot sum) s(n): 20164452848
• 13408585840 is an abundant number, because the sum of its proper divisors (20164452848) is greater than itself. Its abundance is 6755867008

Bases of 13408585840

• Binary: 1100011111001101101100100001110000₂
• Hexadecimal: 0x31F36C870
• Base-36: 65R4J1S

Squares and roots of 13408585840

• 13408585840 squared (13408585840²) is 179790174228648505600
• 13408585840 cubed (13408585840³) is 2410731984333389274525320704000
• The square root of 13408585840 is 115795.4482697831
• The cube root of 13408585840 is 2375.7149221319

Scales and comparisons

• 13,408,585,840 seconds is equal to 426 years, 18 weeks, 1 day, 23 hours, 10 minutes, 40 seconds.
• To count from 1 to 13,408,585,840 would take you about eight hundred fifty-two 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 13408585840 cubic inches would be around 198 feet tall.

Recreational maths with 13408585840

• 13408585840 backwards is 04858580431
• The number of decimal digits it has is: 11
• The sum of 13408585840's digits is 46
• More coming soon!