21356834733

Names of 21356834733

• Cardinal: 21356834733 can be written as Twenty-one billion, three hundred fifty-six million, eight hundred thirty-four thousand, seven hundred thirty-three.

Scientific notation

• Scientific notation: 2.1356834733 × 10¹⁰

Factors of 21356834733

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 44733

Divisors of 21356834733

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 13 27 29 39 47 87 117 141 261 351 377 423 611 783 1131 1269 1363 1833 3393 4089 5499 10179 12267 16497 17719 36801 44641 53157 133923 159471 401769 478413 580333 1205307 1294589 1740999 2098127 3883767 5222997 6294381 11651301 15668991 16829657 18883143 27275651 34953903 50488971 56649429 60845683 81826953 151466913 182537049 245480859 454400739 547611147 736442577 790993879 1642833441 2372981637 7118944911 21356834733
• Sum of all divisors σ(n): 35999308800
• Sum of proper divisors (its aliquot sum) s(n): 14642474067
• 21356834733 is a deficient number, because the sum of its proper divisors (14642474067) is less than itself. Its deficiency is 6714360666

Bases of 21356834733

• Binary: 10011111000111101110110111110101101₂
• Hexadecimal: 0x4F8F76FAD
• Base-36: 9T7B359

Squares and roots of 21356834733

• 21356834733 squared (21356834733²) is 456114389812675181289
• 21356834733 cubed (21356834733³) is 9741159642572442675399986910837
• The square root of 21356834733 is 146139.7780653851
• The cube root of 21356834733 is 2774.4631586787

Scales and comparisons

• 21,356,834,733 seconds is equal to 679 years, 4 weeks, 1 day, 14 hours, 5 minutes, 33 seconds.
• To count from 1 to 21,356,834,733 would take you about one thousand, three hundred fifty-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 21356834733 cubic inches would be around 231.2 feet tall.

Recreational maths with 21356834733

• 21356834733 backwards is 33743865312
• The number of decimal digits it has is: 11
• The sum of 21356834733's digits is 45
• More coming soon!