121795944681609243280

Names of 121795944681609243280

• Cardinal: 121795944681609243280 can be written as One hundred twenty-one quintillion, seven hundred ninety-five quadrillion, nine hundred forty-four trillion, six hundred eighty-one billion, six hundred nine million, two hundred forty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.2179594468160924328 × 10²⁰

Factors of 121795944681609243280

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21442948007325649

Divisors of 121795944681609243280

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 71 80 142 284 355 568 710 1136 1420 2840 5680 21442948007325571 42885896014651142 85771792029302284 107214740036627855 171543584058604568 214429480073255710 343087168117209136 428858960146511420 857717920293022840 1522449308520115541 1715435840586045680 3044898617040231082 6089797234080462164 7612246542600577705 12179594468160924328 15224493085201155410 24359188936321848656 30448986170402310820 60897972340804621640 121795944681609243280
• Sum of all divisors σ(n): 287163959714104060224
• Sum of proper divisors (its aliquot sum) s(n): 165368015032494816944
• 121795944681609243280 is an abundant number, because the sum of its proper divisors (165368015032494816944) is greater than itself. Its abundance is 43572070350885573664

Bases of 121795944681609243280

• Binary: 1101001101001000010000111100110001010100110011100100010101010010000₂
• Hexadecimal: 0x69A421E62A6722A90
• Base-36: PPCJN2KKVV1XS

Squares and roots of 121795944681609243280

• 121795944681609243280 squared (121795944681609243280²) is 14834252140885618913417673164734225158400
• 121795944681609243280 cubed (121795944681609243280³) is 1806751753144348327957726425991348506668735522134162135552000
• The square root of 121795944681609243280 is 11036120001.2327359289
• The cube root of 121795944681609243280 is 4956908.9617466951

Scales and comparisons

• 121,795,944,681,609,243,280 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,795,944,681,609,243,280 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 121795944681609243280 cubic inches would be around 413075.7 feet tall.

Recreational maths with 121795944681609243280

• 121795944681609243280 backwards is 082342906186449597121
• The number of decimal digits it has is: 21
• The sum of 121795944681609243280's digits is 91
• More coming soon!