122748678866139728

Names of 122748678866139728

• Cardinal: 122748678866139728 can be written as One hundred twenty-two quadrillion, seven hundred forty-eight trillion, six hundred seventy-eight billion, eight hundred sixty-six million, one hundred thirty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.22748678866139728 × 10¹⁷

Factors of 122748678866139728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8438710568

Divisors of 122748678866139728

• Number of divisors d(n): 20
• Complete list of divisors:
  1 2 4 8 16 909217 1818434 3636868 7273736 14547472 8437801349 16875602698 33751205396 67502410792 135004821584 7671792429133733 15343584858267466 30687169716534932 61374339433069864 122748678866139728
• Sum of all divisors σ(n): 237825826903173300
• Sum of proper divisors (its aliquot sum) s(n): 115077148037033572
• 122748678866139728 is a deficient number, because the sum of its proper divisors (115077148037033572) is less than itself. Its deficiency is 7671530829106156

Bases of 122748678866139728

• Binary: 110110100000101110100010111101000011101101111101001010000₂
• Hexadecimal: 0x1B41745E876FA50
• Base-36: XKMRWLJXGSW

Squares and roots of 122748678866139728

• 122748678866139728 squared (122748678866139728²) is 15067238163382697900757196419913984
• 122748678866139728 cubed (122748678866139728³) is 1849483578716707739934830579198783510900023885156352
• The square root of 122748678866139728 is 350355075.4108462005
• The cube root of 122748678866139728 is 496980.0348325005

Scales and comparisons

• 122,748,678,866,139,728 seconds is equal to 3,903,028,301 years, 18 weeks, 1 day, 10 hours, 22 minutes, 8 seconds.
• To count from 1 to 122,748,678,866,139,728 would take you about eleven billion, seven hundred nine million, eighty-four thousand, nine hundred four 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 122748678866139728 cubic inches would be around 41415 feet tall.

Recreational maths with 122748678866139728

• 122748678866139728 backwards is 827931668876847221
• The number of decimal digits it has is: 18
• The sum of 122748678866139728's digits is 95
• More coming soon!