491384376381943656481

Names of 491384376381943656481

• Cardinal: 491384376381943656481 can be written as Four hundred ninety-one quintillion, three hundred eighty-four quadrillion, three hundred seventy-six trillion, three hundred eighty-one billion, nine hundred forty-three million, six hundred fifty-six thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 4.91384376381943656481 × 10²⁰

Factors of 491384376381943656481

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1662

Divisors of 491384376381943656481

• Number of divisors d(n): 27
• Complete list of divisors:
  1 61 1601 3721 97661 226981 2563201 5957321 13845841 156355261 363396581 844596301 9537670921 22167191441 51520374361 581797926181 1352198677901 3142742836021 35489673497041 82484119351961 191707312997281 2164870083319501 5031531280469621 132057075082489561 306923408108646881 8055481580031863221 491384376381943656481
• Sum of all divisors σ(n): 499886349688988012907
• Sum of proper divisors (its aliquot sum) s(n): 8501973307044356426
• 491384376381943656481 is a deficient number, because the sum of its proper divisors (8501973307044356426) is less than itself. Its deficiency is 482882403074899300055

Bases of 491384376381943656481

• Binary: 110101010001101010011111111101101101001110110100110010011000000100001₂
• Hexadecimal: 0x1AA353FEDA76993021
• Base-36: 2VPB3BVP26NMLD

Squares and roots of 491384376381943656481

• 491384376381943656481 squared (491384376381943656481²) is 241458605352271666760030038438076133303361
• 491384376381943656481 cubed (491384376381943656481³) is 118648986213079855770406699661132274666198640136679677546732641
• 491384376381943656481 is a perfect square number. Its square root is 22167191441
• The cube root of 491384376381943656481 is 7891152.7103990937

Scales and comparisons

• 491,384,376,381,943,656,481 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 491,384,376,381,943,656,481 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 491384376381943656481 cubic inches would be around 657596.1 feet tall.

Recreational maths with 491384376381943656481

• 491384376381943656481 backwards is 184656349183673483194
• The number of decimal digits it has is: 21
• The sum of 491384376381943656481's digits is 103
• More coming soon!