12439850643

Names of 12439850643

• Cardinal: 12439850643 can be written as Twelve billion, four hundred thirty-nine million, eight hundred fifty thousand, six hundred forty-three.

Scientific notation

• Scientific notation: 1.2439850643 × 10¹⁰

Factors of 12439850643

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1664

Divisors of 12439850643

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 27 29 33 81 87 99 121 243 261 297 319 363 729 783 891 957 1089 1621 2187 2349 2673 2871 3267 3509 4863 7047 8019 8613 9801 10527 14589 17831 21141 24057 25839 29403 31581 43767 47009 53493 63423 77517 88209 94743 131301 141027 160479 196141 232551 264627 284229 393903 423081 481437 517099 588423 697653 852687 1181709 1269243 1444311 1551297 1765269 2558061 3545127 3807729 4332933 4653891 5295807 5688089 7674183 11423187 12998799 13961673 15887421 17064267 34269561 38996397 41885019 47662263 51192801 102808683 125655057 142986789 153578403 376965171 428960367 460735209 1130895513 1382205627 4146616881 12439850643
• Sum of all divisors σ(n): 21227438400
• Sum of proper divisors (its aliquot sum) s(n): 8787587757
• 12439850643 is a deficient number, because the sum of its proper divisors (8787587757) is less than itself. Its deficiency is 3652262886

Bases of 12439850643

• Binary: 1011100101011110010000111010010011₂
• Hexadecimal: 0x2E5790E93
• Base-36: 5PQD66R

Squares and roots of 12439850643

• 12439850643 squared (12439850643²) is 154749884020147513449
• 12439850643 cubed (12439850643³) is 1925065444232207470133393797707
• The square root of 12439850643 is 111534.0783931081
• The cube root of 12439850643 is 2317.0659154931

Scales and comparisons

• 12,439,850,643 seconds is equal to 395 years, 28 weeks, 3 days, 18 hours, 4 minutes, 3 seconds.
• To count from 1 to 12,439,850,643 would take you about seven hundred ninety-one 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 12439850643 cubic inches would be around 193.1 feet tall.

Recreational maths with 12439850643

• 12439850643 backwards is 34605893421
• The number of decimal digits it has is: 11
• The sum of 12439850643's digits is 45
• More coming soon!