12747648165

Names of 12747648165

• Cardinal: 12747648165 can be written as Twelve billion, seven hundred forty-seven million, six hundred forty-eight thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 1.2747648165 × 10¹⁰

Factors of 12747648165

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 491

Divisors of 12747648165

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 15 21 35 49 79 105 147 237 245 343 395 397 553 735 1029 1185 1191 1659 1715 1985 2765 2779 3871 5145 5955 6241 8295 8337 11613 13895 18723 19355 19453 27097 31205 31363 41685 43687 58065 58359 81291 93615 94089 97265 131061 135485 136171 156815 218435 219541 291795 305809 406455 408513 470445 655305 658623 680855 917427 1097705 1529045 1536787 2042565 2140663 2477677 3293115 4587135 4610361 6421989 7433031 7683935 10703315 10757509 12388385 17343739 23051805 32109945 32272527 37165155 52031217 53787545 86718695 121406173 161362635 260156085 364218519 607030865 849843211 1821092595 2549529633 4249216055 12747648165
• Sum of all divisors σ(n): 24151276800
• Sum of proper divisors (its aliquot sum) s(n): 11403628635
• 12747648165 is a deficient number, because the sum of its proper divisors (11403628635) is less than itself. Its deficiency is 1344019530

Bases of 12747648165

• Binary: 1011110111110100011010110010100101₂
• Hexadecimal: 0x2F7D1ACA5
• Base-36: 5UTMC9X

Squares and roots of 12747648165

• 12747648165 squared (12747648165²) is 162502533738627867225
• 12747648165 cubed (12747648165³) is 2071525126021070121248634892125
• The square root of 12747648165 is 112905.4833256561
• The cube root of 12747648165 is 2336.0207142175

Scales and comparisons

• 12,747,648,165 seconds is equal to 405 years, 17 weeks, 3 days, 5 hours, 22 minutes, 45 seconds.
• To count from 1 to 12,747,648,165 would take you about eight hundred ten 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 12747648165 cubic inches would be around 194.7 feet tall.

Recreational maths with 12747648165

• 12747648165 backwards is 56184674721
• The number of decimal digits it has is: 11
• The sum of 12747648165's digits is 51
• More coming soon!