64329429621

Names of 64329429621

• Cardinal: 64329429621 can be written as Sixty-four billion, three hundred twenty-nine million, four hundred twenty-nine thousand, six hundred twenty-one.

Scientific notation

• Scientific notation: 6.4329429621 × 10¹⁰

Factors of 64329429621

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1586

Divisors of 64329429621

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 31 37 43 93 111 129 409 1063 1147 1227 1333 1591 3189 3441 3999 4773 12679 15133 17587 32953 38037 39331 45399 45709 49321 52761 98859 117993 137127 147963 434767 469123 545197 650719 1219261 1304301 1407369 1416979 1635591 1691233 1952157 3657783 4250937 5073699 13477777 16086379 18694981 20172289 40433331 48259137 52428223 56084943 60516867 157284669 498677749 579544411 691714297 1496033247 1738633233 2075142891 21443143207 64329429621
• Sum of all divisors σ(n): 93362339840
• Sum of proper divisors (its aliquot sum) s(n): 29032910219
• 64329429621 is a deficient number, because the sum of its proper divisors (29032910219) is less than itself. Its deficiency is 35296519402

Bases of 64329429621

• Binary: 111011111010010101010011001001110101₂
• Hexadecimal: 0xEFA553275
• Base-36: TJW2XKL

Squares and roots of 64329429621

• 64329429621 squared (64329429621²) is 4138275515363192203641
• 64329429621 cubed (64329429621³) is 266212903517863977118019609450061
• The square root of 64329429621 is 253632.4695716225
• The cube root of 64329429621 is 4006.8513750689

Scales and comparisons

• 64,329,429,621 seconds is equal to 2,045 years, 24 weeks, 5 days, 14 hours, 21 seconds.
• To count from 1 to 64,329,429,621 would take you about four thousand and ninety 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 64329429621 cubic inches would be around 333.9 feet tall.

Recreational maths with 64329429621

• 64329429621 backwards is 12692492346
• The number of decimal digits it has is: 11
• The sum of 64329429621's digits is 48
• More coming soon!