121263162289733896821

Names of 121263162289733896821

• Cardinal: 121263162289733896821 can be written as One hundred twenty-one quintillion, two hundred sixty-three quadrillion, one hundred sixty-two trillion, two hundred eighty-nine billion, seven hundred thirty-three million, eight hundred ninety-six thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 1.21263162289733896821 × 10²⁰

Factors of 121263162289733896821

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 16242925515093

Divisors of 121263162289733896821

• Number of divisors d(n): 12
• Complete list of divisors:
  1 3 9 829511 2488533 7465599 16242924685579 48728774056737 146186322170211 13473684698859321869 40421054096577965607 121263162289733896821
• Sum of all divisors σ(n): 175158112243202880480
• Sum of proper divisors (its aliquot sum) s(n): 53894949953468983659
• 121263162289733896821 is a deficient number, because the sum of its proper divisors (53894949953468983659) is less than itself. Its deficiency is 67368212336264913162

Bases of 121263162289733896821

• Binary: 1101001001011011101010010111001111101101100001000100000101001110101₂
• Hexadecimal: 0x692DD4B9F6C220A75
• Base-36: PLATNH4NQZR79

Squares and roots of 121263162289733896821

• 121263162289733896821 squared (121263162289733896821²) is 14704754528506341018138146971081873906041
• 121263162289733896821 cubed (121263162289733896821³) is 1783145034820963880250119766327588554775391886678215342595661
• The square root of 121263162289733896821 is 11011955425.3426714831
• The cube root of 121263162289733896821 is 4949670.5870605489

Scales and comparisons

• 121,263,162,289,733,896,821 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,263,162,289,733,896,821 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 121263162289733896821 cubic inches would be around 412472.5 feet tall.

Recreational maths with 121263162289733896821

• 121263162289733896821 backwards is 128698337982261362121
• The number of decimal digits it has is: 21
• The sum of 121263162289733896821's digits is 90
• More coming soon!