211428438165

Names of 211428438165

• Cardinal: 211428438165 can be written as Two hundred eleven billion, four hundred twenty-eight million, four hundred thirty-eight thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 2.11428438165 × 10¹¹

Factors of 211428438165

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1331

Divisors of 211428438165

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 35 45 49 57 63 95 105 133 135 147 171 189 245 285 315 399 441 513 665 735 855 931 945 1197 1297 1323 1995 2205 2565 2793 3591 3891 4655 5985 6485 6615 8379 9079 11673 13965 17955 19455 24643 25137 27237 35019 41895 45395 58365 63553 73929 81711 123215 125685 136185 172501 175095 190659 221787 245133 317765 369645 408555 517503 571977 665361 862505 953295 1108935 1207507 1225665 1552509 1682209 1715931 2587515 2859885 3326805 3622521 4657527 5046627 6037535 7762545 8411045 8579655 10867563 11775463 15139881 18112605 23287635 25233135 31961971 32602689 35326389 45419643 54337815 58877315 75699405 82428241 95885913 105979167 159809855 163013445 176631945 223733797 227098215 247284723 287657739 317937501 412141205 479429565 529895835 671201391 741854169 862973217 1118668985 1236423615 1438288695 1566136579 1589687505 2013604173 2225562507 3356006955 3709270845 4314866085 4698409737 6040812519 7830682895 10068020865 11127812535 14095229211 23492048685 30204062595 42285687633 70476146055 211428438165
• Sum of all divisors σ(n): 460607515200
• Sum of proper divisors (its aliquot sum) s(n): 249179077035
• 211428438165 is an abundant number, because the sum of its proper divisors (249179077035) is greater than itself. Its abundance is 37750638870

Bases of 211428438165

• Binary: 11000100111010000111011111000010010101₂
• Hexadecimal: 0x313A1DF095
• Base-36: 2P4N16Z9

Squares and roots of 211428438165

• 211428438165 squared (211428438165²) is 44701984464891228567225
• 211428438165 cubed (211428438165³) is 9451270758288045732576412458142125
• The square root of 211428438165 is 459813.4819304453
• The cube root of 211428438165 is 5957.3685341797

Scales and comparisons

• 211,428,438,165 seconds is equal to 6,722 years, 40 weeks, 9 hours, 42 minutes, 45 seconds.
• To count from 1 to 211,428,438,165 would take you about thirteen thousand, four hundred forty-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 211428438165 cubic inches would be around 496.4 feet tall.

Recreational maths with 211428438165

• 211428438165 backwards is 561834824112
• 211428438165 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 211428438165's digits is 45
• More coming soon!