121264562139005236643

Names of 121264562139005236643

• Cardinal: 121264562139005236643 can be written as One hundred twenty-one quintillion, two hundred sixty-four quadrillion, five hundred sixty-two trillion, one hundred thirty-nine billion, five million, two hundred thirty-six thousand, six hundred forty-three.

Scientific notation

• Scientific notation: 1.21264562139005236643 × 10²⁰

Factors of 121264562139005236643

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 409271560066

Divisors of 121264562139005236643

• Number of divisors d(n): 16
• Complete list of divisors:
  1 83 659 5417 54697 449611 3569803 296293649 409271553907 33969538974281 269709954024713 2217024007514219 22385926184051179 184012992623680177 1461018820951870321 121264562139005236643
• Sum of all divisors σ(n): 122934500991837279360
• Sum of proper divisors (its aliquot sum) s(n): 1669938852832042717
• 121264562139005236643 is a deficient number, because the sum of its proper divisors (1669938852832042717) is less than itself. Its deficiency is 119594623286173193926

Bases of 121264562139005236643

• Binary: 1101001001011100010010001001100011100111010101100001011010110100011₂
• Hexadecimal: 0x692E244C73AB0B5A3
• Base-36: PLB7FOIJC40WZ

Squares and roots of 121264562139005236643

• 121264562139005236643 squared (121264562139005236643²) is 14705094030764662293761946546176429909449
• 121264562139005236643 cubed (121264562139005236643³) is 1783206788853576373734966384575856110052603812729861306739707
• The square root of 121264562139005236643 is 11012018985.5904823827
• The cube root of 121264562139005236643 is 4949689.6331472369

Scales and comparisons

• 121,264,562,139,005,236,643 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,264,562,139,005,236,643 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 121264562139005236643 cubic inches would be around 412474.1 feet tall.

Recreational maths with 121264562139005236643

• 121264562139005236643 backwards is 346632500931265462121
• The number of decimal digits it has is: 21
• The sum of 121264562139005236643's digits is 71
• More coming soon!