21311483172

Names of 21311483172

• Cardinal: 21311483172 can be written as Twenty-one billion, three hundred eleven million, four hundred eighty-three thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.1311483172 × 10¹⁰

Factors of 21311483172

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 185

Divisors of 21311483172

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 173 196 294 343 346 519 588 686 692 1029 1038 1211 1372 2058 2076 2422 3633 4116 4844 7266 8477 14532 16954 25431 29929 33908 50862 59339 59858 89787 101724 118678 119716 178017 179574 209503 237356 356034 359148 419006 628509 712068 838012 1257018 1466521 2514036 2933042 4399563 5177717 5866084 8799126 10265647 10355434 15533151 17598252 20531294 20710868 30796941 31066302 36244019 41062588 61593882 62132604 72488038 108732057 123187764 144976076 217464114 253708133 434928228 507416266 761124399 1014832532 1522248798 1775956931 3044497596 3551913862 5327870793 7103827724 10655741586 21311483172
• Sum of all divisors σ(n): 58327584000
• Sum of proper divisors (its aliquot sum) s(n): 37016100828
• 21311483172 is an abundant number, because the sum of its proper divisors (37016100828) is greater than itself. Its abundance is 15704617656

Bases of 21311483172

• Binary: 10011110110010000110110110100100100₂
• Hexadecimal: 0x4F6436D24
• Base-36: 9SGB1NO

Squares and roots of 21311483172

• 21311483172 squared (21311483172²) is 454179314990439181584
• 21311483172 cubed (21311483172³) is 9679234828489231959216868304448
• The square root of 21311483172 is 145984.5305914295
• The cube root of 21311483172 is 2772.4978954641

Scales and comparisons

• 21,311,483,172 seconds is equal to 677 years, 33 weeks, 1 day, 16 hours, 26 minutes, 12 seconds.
• To count from 1 to 21,311,483,172 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 21311483172 cubic inches would be around 231 feet tall.

Recreational maths with 21311483172

• 21311483172 backwards is 27138411312
• The number of decimal digits it has is: 11
• The sum of 21311483172's digits is 33
• More coming soon!