121646158440

Names of 121646158440

• Cardinal: 121646158440 can be written as One hundred twenty-one billion, six hundred forty-six million, one hundred fifty-eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2164615844 × 10¹¹

Factors of 121646158440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 63742

Divisors of 121646158440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 30553 33179 61106 66358 91659 99537 122212 132716 152765 165895 183318 199074 244424 265432 305530 331790 366636 398148 458295 497685 611060 663580 733272 796296 916590 995370 1222120 1327160 1833180 1990740 3666360 3981480 1013717987 2027435974 3041153961 4054871948 5068589935 6082307922 8109743896 10137179870 12164615844 15205769805 20274359740 24329231688 30411539610 40548719480 60823079220 121646158440
• Sum of all divisors σ(n): 364961419200
• Sum of proper divisors (its aliquot sum) s(n): 243315260760
• 121646158440 is an abundant number, because the sum of its proper divisors (243315260760) is greater than itself. Its abundance is 121669102320

Bases of 121646158440

• Binary: 1110001010010101011010001001001101000₂
• Hexadecimal: 0x1C52AD1268
• Base-36: 1JVSZCKO

Squares and roots of 121646158440

• 121646158440 squared (121646158440²) is 14797787863209583233600
• 121646158440 cubed (121646158440³) is 1800094046969502008960873131584000
• The square root of 121646158440 is 348778.0934061083
• The cube root of 121646158440 is 4954.8761044059

Scales and comparisons

• 121,646,158,440 seconds is equal to 3,867 years, 50 weeks, 3 days, 15 hours, 34 minutes.
• To count from 1 to 121,646,158,440 would take you about seven thousand, seven hundred thirty-five 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 121646158440 cubic inches would be around 412.9 feet tall.

Recreational maths with 121646158440

• 121646158440 backwards is 044851646121
• The number of decimal digits it has is: 12
• The sum of 121646158440's digits is 42
• More coming soon!