490521716842465566721

Names of 490521716842465566721

• Cardinal: 490521716842465566721 can be written as Four hundred ninety quintillion, five hundred twenty-one quadrillion, seven hundred sixteen trillion, eight hundred forty-two billion, four hundred sixty-five million, five hundred sixty-six thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.90521716842465566721 × 10²⁰

Factors of 490521716842465566721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1772173650308472

Divisors of 490521716842465566721

• Number of divisors d(n): 16
• Complete list of divisors:
  1 41 43 157 1763 6437 6751 276791 1772173650308231 72659119662637471 76203466963253933 278231263098392267 3124342145493411253 11407481787034082947 11963944313230867481 490521716842465566721
• Sum of all divisors σ(n): 517446351111598812288
• Sum of proper divisors (its aliquot sum) s(n): 26924634269133245567
• 490521716842465566721 is a deficient number, because the sum of its proper divisors (26924634269133245567) is less than itself. Its deficiency is 463597082573332321154

Bases of 490521716842465566721

• Binary: 110101001011101011011001101101001001010100001111001111010000000000001₂
• Hexadecimal: 0x1A975B3692A1E7A001
• Base-36: 2VIR58LFM2O001

Squares and roots of 490521716842465566721

• 490521716842465566721 squared (490521716842465566721²) is 240611554694079967627543057582535702691841
• 490521716842465566721 cubed (490521716842465566721³) is 118025192900674910546855837180303620370767743519653793287823361
• The square root of 490521716842465566721 is 22147724868.3124462983
• The cube root of 490521716842465566721 is 7886532.1824991803

Scales and comparisons

• 490,521,716,842,465,566,721 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 490,521,716,842,465,566,721 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 490521716842465566721 cubic inches would be around 657211 feet tall.

Recreational maths with 490521716842465566721

• 490521716842465566721 backwards is 127665564248617125094
• The number of decimal digits it has is: 21
• The sum of 490521716842465566721's digits is 91
• More coming soon!