20345223320721

Names of 20345223320721

• Cardinal: 20345223320721 can be written as Twenty trillion, three hundred forty-five billion, two hundred twenty-three million, three hundred twenty thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 2.0345223320721 × 10¹³

Factors of 20345223320721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1938487

Divisors of 20345223320721

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 39 67 103 117 169 201 309 507 603 871 927 1339 1521 2613 4017 6901 7839 11323 12051 17407 20703 33969 52221 62109 89713 101907 156663 269139 807417 1166269 1938301 3498807 5814903 10496421 17444709 25197913 75593739 129866167 199645003 226781217 327572869 389598501 598935009 982718607 1168795503 1688260171 1796805027 2595385039 2948155821 5064780513 7786155117 13376215201 15194341539 21947382223 23358465351 33740005507 40128645603 65842146669 101220016521 120385936809 173890797613 197526440007 303660049563 521672392839 1565017178517 2260580368969 6781741106907 20345223320721
• Sum of all divisors σ(n): 32610551078976
• Sum of proper divisors (its aliquot sum) s(n): 12265327758255
• 20345223320721 is a deficient number, because the sum of its proper divisors (12265327758255) is less than itself. Its deficiency is 8079895562466

Bases of 20345223320721

• Binary: 100101000000011111101110011110001010010010001₂
• Hexadecimal: 0x1280FDCF1491
• Base-36: 77MGSO0I9

Squares and roots of 20345223320721

• 20345223320721 squared (20345223320721²) is 413928111970009634427959841
• 20345223320721 cubed (20345223320721³) is 8421459876754253323718780363559251165361
• The square root of 20345223320721 is 4510567.9598827685
• The cube root of 20345223320721 is 27299.4661126885

Scales and comparisons

• 20,345,223,320,721 seconds is equal to 646,915 years, 8 weeks, 5 days, 18 hours, 25 minutes, 21 seconds.
• To count from 1 to 20,345,223,320,721 would take you about one million, six hundred seventeen thousand, two hundred eighty-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 20345223320721 cubic inches would be around 2275 feet tall.

Recreational maths with 20345223320721

• 20345223320721 backwards is 12702332254302
• The number of decimal digits it has is: 14
• The sum of 20345223320721's digits is 36
• More coming soon!