121382885421

Names of 121382885421

• Cardinal: 121382885421 can be written as One hundred twenty-one billion, three hundred eighty-two million, eight hundred eighty-five thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.21382885421 × 10¹¹

Factors of 121382885421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1740532

Divisors of 121382885421

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 21 27 41 63 81 123 189 243 287 369 567 861 1107 1701 2583 3321 7749 9963 23247 69741 1740481 5221443 12183367 15664329 36550101 46992987 71359721 109650303 140978961 214079163 328950909 422936883 499518047 642237489 986852727 1498554141 1926712467 2960558181 4495662423 5780137401 13486987269 17340412203 40460961807 121382885421
• Sum of all divisors σ(n): 212867910528
• Sum of proper divisors (its aliquot sum) s(n): 91485025107
• 121382885421 is a deficient number, because the sum of its proper divisors (91485025107) is less than itself. Its deficiency is 29897860314

Bases of 121382885421

• Binary: 1110001000010111110111101100000101101₂
• Hexadecimal: 0x1C42FBD82D
• Base-36: 1JRG8HT9

Squares and roots of 121382885421

• 121382885421 squared (121382885421²) is 14733804873127614347241
• 121382885421 cubed (121382885421³) is 1788431748730220654222230010473461
• The square root of 121382885421 is 348400.4670217881
• The cube root of 121382885421 is 4951.2989880131

Scales and comparisons

• 121,382,885,421 seconds is equal to 3,859 years, 31 weeks, 1 day, 12 hours, 10 minutes, 21 seconds.
• To count from 1 to 121,382,885,421 would take you about seven thousand, seven hundred nineteen 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 121382885421 cubic inches would be around 412.6 feet tall.

Recreational maths with 121382885421

• 121382885421 backwards is 124588283121
• The number of decimal digits it has is: 12
• The sum of 121382885421's digits is 45
• More coming soon!