21329089067385

Names of 21329089067385

• Cardinal: 21329089067385 can be written as Twenty-one trillion, three hundred twenty-nine billion, eighty-nine million, sixty-seven thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 2.1329089067385 × 10¹³

Factors of 21329089067385

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5137969

Divisors of 21329089067385

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 9 11 15 27 33 45 55 99 135 165 297 495 1485 2797 8391 13985 25173 30767 41955 75519 92301 125865 153835 276903 377595 461505 830709 1384515 4153545 5135153 15405459 25675765 46216377 56486683 77027295 138649131 169460049 231081885 282433415 508380147 693245655 847300245 1525140441 2541900735 7625702205 14363022941 43089068823 71815114705 129267206469 157993252351 215445344115 387801619407 473979757053 646336032345 789966261755 1421939271159 1939008097035 2369898785265 4265817813477 7109696355795 21329089067385
• Sum of all divisors σ(n): 41380303368960
• Sum of proper divisors (its aliquot sum) s(n): 20051214301575
• 21329089067385 is a deficient number, because the sum of its proper divisors (20051214301575) is less than itself. Its deficiency is 1277874765810

Bases of 21329089067385

• Binary: 100110110011000010000110001101111100101111001₂
• Hexadecimal: 0x136610C6F979
• Base-36: 7K6G4XH89

Squares and roots of 21329089067385

• 21329089067385 squared (21329089067385²) is 454930040444442329070738225
• 21329089067385 cubed (21329089067385³) is 9703243352068570767465809241158720291625
• The square root of 21329089067385 is 4618342.6753961209
• The cube root of 21329089067385 is 27732.6115960095

Scales and comparisons

• 21,329,089,067,385 seconds is equal to 678,199 years, 2 weeks, 6 days, 19 hours, 9 minutes, 45 seconds.
• To count from 1 to 21,329,089,067,385 would take you about one million, six hundred ninety-five thousand, four hundred ninety-seven 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 21329089067385 cubic inches would be around 2311.1 feet tall.

Recreational maths with 21329089067385

• 21329089067385 backwards is 58376098092312
• The number of decimal digits it has is: 14
• The sum of 21329089067385's digits is 63
• More coming soon!