121397803805

Names of 121397803805

• Cardinal: 121397803805 can be written as One hundred twenty-one billion, three hundred ninety-seven million, eight hundred three thousand, eight hundred five.

Scientific notation

• Scientific notation: 1.21397803805 × 10¹¹

Factors of 121397803805

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 222

Divisors of 121397803805

• Number of divisors d(n): 54
• Complete list of divisors:
  1 5 19 59 95 139 295 361 695 1121 1805 2641 3481 5605 8201 13205 17405 19321 21299 41005 50179 66139 96605 106495 155819 250895 330695 367099 483859 779095 1139939 1256641 1835495 2419295 2960561 5699695 6283205 6974881 9193321 14802805 21658841 34874405 45966605 67256401 108294205 174673099 336282005 411517979 873365495 1277871619 2057589895 6389358095 24279560761 121397803805
• Sum of all divisors σ(n): 157531462686
• Sum of proper divisors (its aliquot sum) s(n): 36133658881
• 121397803805 is a deficient number, because the sum of its proper divisors (36133658881) is less than itself. Its deficiency is 85264144924

Bases of 121397803805

• Binary: 1110001000011110111110111101100011101₂
• Hexadecimal: 0x1C43DF7B1D
• Base-36: 1JRP48WT

Squares and roots of 121397803805

• 121397803805 squared (121397803805²) is 14737426768677272478025
• 121397803805 cubed (121397803805³) is 1789091243454438643649805123885125
• The square root of 121397803805 is 348421.8761860397
• The cube root of 121397803805 is 4951.5018237297

Scales and comparisons

• 121,397,803,805 seconds is equal to 3,860 years, 3 weeks, 6 days, 4 hours, 10 minutes, 5 seconds.
• To count from 1 to 121,397,803,805 would take you about seven thousand, seven hundred twenty 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 121397803805 cubic inches would be around 412.6 feet tall.

Recreational maths with 121397803805

• 121397803805 backwards is 508308793121
• The number of decimal digits it has is: 12
• The sum of 121397803805's digits is 47
• More coming soon!