121378064984815401

Names of 121378064984815401

• Cardinal: 121378064984815401 can be written as One hundred twenty-one quadrillion, three hundred seventy-eight trillion, sixty-four billion, nine hundred eighty-four million, eight hundred fifteen thousand, four hundred one.

Scientific notation

• Scientific notation: 1.21378064984815401 × 10¹⁷

Factors of 121378064984815401

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 16590179

Divisors of 121378064984815401

• Number of divisors d(n): 27
• Complete list of divisors:
  1 3 7 9 21 49 63 147 441 16590169 49770507 116131183 149311521 348393549 812918281 1045180647 2438754843 7316264529 275233707448561 825701122345683 1926635952139927 2477103367037049 5779907856419781 13486451664979489 17339723569259343 40459354994938467 121378064984815401
• Sum of all divisors σ(n): 203948189512699671
• Sum of proper divisors (its aliquot sum) s(n): 82570124527884270
• 121378064984815401 is a deficient number, because the sum of its proper divisors (82570124527884270) is less than itself. Its deficiency is 38807940456931131

Bases of 121378064984815401

• Binary: 110101111001110001011010011111110111100011011011100101001₂
• Hexadecimal: 0x1AF38B4FEF1B729
• Base-36: X74XL9V6VC9

Squares and roots of 121378064984815401

• 121378064984815401 squared (121378064984815401²) is 14732634659458070511388702046790801
• 121378064984815401 cubed (121378064984815401³) is 1788218687093245397788548759271844511469067449926201
• 121378064984815401 is a perfect square number. Its square root is 348393549
• The cube root of 121378064984815401 is 495123.3444075533

Scales and comparisons

• 121,378,064,984,815,401 seconds is equal to 3,859,447,019 years, 26 weeks, 4 days, 43 minutes, 21 seconds.
• To count from 1 to 121,378,064,984,815,401 would take you about eleven billion, five hundred seventy-eight million, three hundred forty-one thousand and fifty-eight 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 121378064984815401 cubic inches would be around 41260.3 feet tall.

Recreational maths with 121378064984815401

• 121378064984815401 backwards is 104518489460873121
• The number of decimal digits it has is: 18
• The sum of 121378064984815401's digits is 72
• More coming soon!