21318534076

Names of 21318534076

• Cardinal: 21318534076 can be written as Twenty-one billion, three hundred eighteen million, five hundred thirty-four thousand and seventy-six.

Scientific notation

• Scientific notation: 2.1318534076 × 10¹⁰

Factors of 21318534076

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3530

Divisors of 21318534076

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 14 28 49 53 98 106 196 212 371 742 757 1484 1514 2597 2711 3028 5194 5299 5422 10388 10598 10844 18977 21196 37093 37954 40121 74186 75908 80242 132839 143683 148372 160484 265678 280847 287366 531356 561694 574732 1005781 1123388 1965929 2011562 2052227 3931858 4023124 4104454 7040467 7863716 8208908 14080934 14365589 28161868 28731178 57462356 100559123 108768031 201118246 217536062 402236492 435072124 761376217 1522752434 3045504868 5329633519 10659267038 21318534076
• Sum of all divisors σ(n): 44292026016
• Sum of proper divisors (its aliquot sum) s(n): 22973491940
• 21318534076 is an abundant number, because the sum of its proper divisors (22973491940) is greater than itself. Its abundance is 1654957864

Bases of 21318534076

• Binary: 10011110110101011110000001110111100₂
• Hexadecimal: 0x4F6AF03BC
• Base-36: 9SKI664

Squares and roots of 21318534076

• 21318534076 squared (21318534076²) is 454479895149573173776
• 21318534076 cubed (21318534076³) is 9688845131603082821999125590976
• The square root of 21318534076 is 146008.6780845579
• The cube root of 21318534076 is 2772.8036220507

Scales and comparisons

• 21,318,534,076 seconds is equal to 677 years, 44 weeks, 6 days, 7 hours, 1 minute, 16 seconds.
• To count from 1 to 21,318,534,076 would take you about one thousand, three hundred fifty-five 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 21318534076 cubic inches would be around 231.1 feet tall.

Recreational maths with 21318534076

• 21318534076 backwards is 67043581312
• The number of decimal digits it has is: 11
• The sum of 21318534076's digits is 40
• More coming soon!