243383368921

Names of 243383368921

• Cardinal: 243383368921 can be written as Two hundred forty-three billion, three hundred eighty-three million, three hundred sixty-eight thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 2.43383368921 × 10¹¹

Factors of 243383368921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 210

Divisors of 243383368921

• Number of divisors d(n): 81
• Complete list of divisors:
  1 7 11 43 49 77 121 149 301 473 539 847 1043 1639 1849 2107 3311 5203 5929 6407 7301 11473 12943 18029 20339 22201 23177 36421 44849 70477 80311 90601 126203 142373 155407 223729 244211 254947 275501 313943 493339 775247 883421 954643 996611 1087849 1566103 1709477 1928507 2686321 3030511 3453373 5426729 6682501 10501073 10962721 11966339 13499549 18804247 21213577 33335621 37987103 41049649 46777507 73507511 115511803 131629729 148495039 233349347 287347543 451546139 514552577 808582621 1633445429 2011432801 3160822973 4967007529 5660078347 22125760811 34769052703 243383368921
• Sum of all divisors σ(n): 320755468383
• Sum of proper divisors (its aliquot sum) s(n): 77372099462
• 243383368921 is a deficient number, because the sum of its proper divisors (77372099462) is less than itself. Its deficiency is 166011269459

Bases of 243383368921

• Binary: 11100010101010110001110111110011011001₂
• Hexadecimal: 0x38AAC77CD9
• Base-36: 33T469CP

Squares and roots of 243383368921

• 243383368921 squared (243383368921²) is 59235464267335588704241
• 243383368921 cubed (243383368921³) is 14416926852983650555317007660293961
• 243383368921 is a perfect square number. Its square root is 493339
• The cube root of 243383368921 is 6243.5313889001

Scales and comparisons

• 243,383,368,921 seconds is equal to 7,738 years, 43 weeks, 4 days, 3 hours, 22 minutes, 1 second.
• To count from 1 to 243,383,368,921 would take you about fifteen thousand, four hundred seventy-seven 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 243383368921 cubic inches would be around 520.3 feet tall.

Recreational maths with 243383368921

• 243383368921 backwards is 129863383342
• The number of decimal digits it has is: 12
• The sum of 243383368921's digits is 52
• More coming soon!