21673421055

Names of 21673421055

• Cardinal: 21673421055 can be written as Twenty-one billion, six hundred seventy-three million, four hundred twenty-one thousand and fifty-five.

Scientific notation

• Scientific notation: 2.1673421055 × 10¹⁰

Factors of 21673421055

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 541

Divisors of 21673421055

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 5 9 11 13 15 33 39 45 55 65 99 117 143 165 169 195 429 495 507 509 585 715 845 1287 1521 1527 1859 2145 2535 2545 4581 5577 5599 6435 6617 7605 7635 9295 16731 16797 19851 22905 27885 27995 33085 50391 59553 72787 83655 83985 86021 99255 218361 251955 258063 259081 297765 363935 430105 655083 774189 777243 946231 1091805 1290315 1295405 2331729 2838693 2849891 3275415 3368053 3870945 3886215 4731155 8516079 8549673 10104159 11658645 14193465 14249455 16840265 25649019 30312477 37048583 42580395 42748365 43784689 50520795 111145749 128245095 131354067 151562385 185242915 218923445 333437247 394062201 481631579 555728745 656770335 1444894737 1667186235 1970311005 2408157895 4334684211 7224473685 21673421055
• Sum of all divisors σ(n): 44464823208
• Sum of proper divisors (its aliquot sum) s(n): 22791402153
• 21673421055 is an abundant number, because the sum of its proper divisors (22791402153) is greater than itself. Its abundance is 1117981098

Bases of 21673421055

• Binary: 10100001011110101100010100011111111₂
• Hexadecimal: 0x50BD628FF
• Base-36: 9YFSMPR

Squares and roots of 21673421055

• 21673421055 squared (21673421055²) is 469737180227317313025
• 21673421055 cubed (21673421055³) is 10180811692255068738282060741375
• The square root of 21673421055 is 147218.9561673361
• The cube root of 21673421055 is 2788.1051978261

Scales and comparisons

• 21,673,421,055 seconds is equal to 689 years, 7 weeks, 4 days, 18 hours, 44 minutes, 15 seconds.
• To count from 1 to 21,673,421,055 would take you about one thousand, three hundred seventy-eight 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 21673421055 cubic inches would be around 232.3 feet tall.

Recreational maths with 21673421055

• 21673421055 backwards is 55012437612
• The number of decimal digits it has is: 11
• The sum of 21673421055's digits is 36
• More coming soon!