820321423315449

Names of 820321423315449

• Cardinal: 820321423315449 can be written as Eight hundred twenty trillion, three hundred twenty-one billion, four hundred twenty-three million, three hundred fifteen thousand, four hundred forty-nine.

Scientific notation

• Scientific notation: 8.20321423315449 × 10¹⁴

Factors of 820321423315449

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1300931

Divisors of 820321423315449

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 11 17 33 51 121 187 363 561 2057 6171 111791 335373 1189109 1229701 1900447 3567327 3689103 5701341 13080199 13526711 20214853 20904917 39240597 40580133 60644559 62714751 143882189 222363383 229954087 431646567 667090149 689862261 2445997213 7337991639 132931684219 398795052657 1462248526409 2259838631723 4386745579227 6779515895169 16084733790499 24858224948953 48254201371497 74574674846859 273440474438483 820321423315449
• Sum of all divisors σ(n): 1272966265509120
• Sum of proper divisors (its aliquot sum) s(n): 452644842193671
• 820321423315449 is a deficient number, because the sum of its proper divisors (452644842193671) is less than itself. Its deficiency is 367676581121778

Bases of 820321423315449

• Binary: 10111010100001001111110111000010011101000111111001₂
• Hexadecimal: 0x2EA13F709D1F9
• Base-36: 82S2GJDC6X

Squares and roots of 820321423315449

• 820321423315449 squared (820321423315449²) is 672927237550284074227362071601
• 820321423315449 cubed (820321423315449³) is 552016629294982289982426841042907346347463849
• The square root of 820321423315449 is 28641253.8712160609
• The cube root of 820321423315449 is 93611.2442704707

Scales and comparisons

• 820,321,423,315,449 seconds is equal to 26,083,683 years, 43 weeks, 5 days, 4 minutes, 9 seconds.
• To count from 1 to 820,321,423,315,449 would take you about sixty-five million, two hundred nine thousand, two hundred 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 820321423315449 cubic inches would be around 7800.9 feet tall.

Recreational maths with 820321423315449

• 820321423315449 backwards is 944513324123028
• 820321423315449 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 820321423315449's digits is 51
• More coming soon!