21628227012

Names of 21628227012

• Cardinal: 21628227012 can be written as Twenty-one billion, six hundred twenty-eight million, two hundred twenty-seven thousand and twelve.

Scientific notation

• Scientific notation: 2.1628227012 × 10¹⁰

Factors of 21628227012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 24337

Divisors of 21628227012

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 37 41 42 49 74 82 84 98 111 123 147 148 164 196 222 246 259 287 294 444 492 518 574 588 777 861 1036 1148 1517 1554 1722 1813 2009 3034 3108 3444 3626 4018 4551 5439 6027 6068 7252 8036 9102 10619 10878 12054 18204 21238 21756 24108 24247 31857 42476 48494 63714 72741 74333 96988 127428 145482 148666 169729 222999 290964 297332 339458 445998 509187 678916 891996 897139 994127 1018374 1188103 1794278 1988254 2036748 2376206 2691417 2982381 3564309 3588556 3976508 4752412 5382834 5964762 6279973 6958889 7128618 10765668 11929524 12559946 13917778 14257236 18839919 20876667 25119892 27835556 36782699 37679838 41753334 43959811 48712223 73565398 75359676 83506668 87919622 97424446 110348097 131879433 146136669 147130796 175839244 194848892 220696194 257478893 263758866 292273338 441392388 514957786 527517732 584546676 772436679 1029915572 1544873358 1802352251 3089746716 3604704502 5407056753 7209409004 10814113506 21628227012
• Sum of all divisors σ(n): 61764893568
• Sum of proper divisors (its aliquot sum) s(n): 40136666556
• 21628227012 is an abundant number, because the sum of its proper divisors (40136666556) is greater than itself. Its abundance is 18508439544

Bases of 21628227012

• Binary: 10100001001001001001000110111000100₂
• Hexadecimal: 0x509248DC4
• Base-36: 9XOVYRO

Squares and roots of 21628227012

• 21628227012 squared (21628227012²) is 467780203682606448144
• 21628227012 cubed (21628227012³) is 10117256436967010656313438065728
• The square root of 21628227012 is 147065.3834591947
• The cube root of 21628227012 is 2786.1659034391

Scales and comparisons

• 21,628,227,012 seconds is equal to 687 years, 36 weeks, 6 days, 16 hours, 50 minutes, 12 seconds.
• To count from 1 to 21,628,227,012 would take you about one thousand, three hundred seventy-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 21628227012 cubic inches would be around 232.2 feet tall.

Recreational maths with 21628227012

• 21628227012 backwards is 21072282612
• The number of decimal digits it has is: 11
• The sum of 21628227012's digits is 33
• More coming soon!