345904748636948766721

Names of 345904748636948766721

• Cardinal: 345904748636948766721 can be written as Three hundred forty-five quintillion, nine hundred four quadrillion, seven hundred forty-eight trillion, six hundred thirty-six billion, nine hundred forty-eight million, seven hundred sixty-six thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 3.45904748636948766721 × 10²⁰

Factors of 345904748636948766721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 118462034

Divisors of 345904748636948766721

• Number of divisors d(n): 9
• Complete list of divisors:
  1 157 24649 118461877 18598514689 2919966806173 14033216302363129 2203214959471011253 345904748636948766721
• Sum of all divisors σ(n): 348121999751405948649
• Sum of proper divisors (its aliquot sum) s(n): 2217251114457181928
• 345904748636948766721 is a deficient number, because the sum of its proper divisors (2217251114457181928) is less than itself. Its deficiency is 343687497522491584793

Bases of 345904748636948766721

• Binary: 100101100000001100100100010000011010000010010000111011010000000000001₂
• Hexadecimal: 0x12C0648834121DA001
• Base-36: 2100SNUB4QN7K1

Squares and roots of 345904748636948766721

• 345904748636948766721 squared (345904748636948766721²) is 119650095129590709688780314043402877091841
• 345904748636948766721 cubed (345904748636948766721³) is 41387536080188082308881844166311900023576773390859268001423361
• 345904748636948766721 is a perfect square number. Its square root is 18598514689
• The cube root of 345904748636948766721 is 7019704.6750174361

Scales and comparisons

• 345,904,748,636,948,766,721 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 345,904,748,636,948,766,721 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 345904748636948766721 cubic inches would be around 584975.4 feet tall.

Recreational maths with 345904748636948766721

• 345904748636948766721 backwards is 127667849636847409543
• The number of decimal digits it has is: 21
• The sum of 345904748636948766721's digits is 109
• More coming soon!