138564408555

Names of 138564408555

• Cardinal: 138564408555 can be written as One hundred thirty-eight billion, five hundred sixty-four million, four hundred eight thousand, five hundred fifty-five.

Scientific notation

• Scientific notation: 1.38564408555 × 10¹¹

Factors of 138564408555

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1235

Divisors of 138564408555

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 15 37 45 111 185 307 333 555 883 921 1535 1665 2649 2763 4415 4605 7947 11359 13245 13815 32671 34077 39735 56795 94249 98013 102231 163355 170385 271081 282747 294039 471245 490065 511155 813243 848241 1355405 1413735 1470195 2439729 3487213 4066215 4241205 10029997 10461639 12198645 17436065 30089991 31384917 50149985 52308195 83221867 90269973 150449955 156924585 249665601 416109335 451349865 748996803 1248328005 3079209079 3744984015 9237627237 15396045395 27712881711 46188136185 138564408555
• Sum of all divisors σ(n): 247755982032
• Sum of proper divisors (its aliquot sum) s(n): 109191573477
• 138564408555 is a deficient number, because the sum of its proper divisors (109191573477) is less than itself. Its deficiency is 29372835078

Bases of 138564408555

• Binary: 10000001000011000101010001010011101011₂
• Hexadecimal: 0x20431514EB
• Base-36: 1RNLO5WR

Squares and roots of 138564408555

• 138564408555 squared (138564408555²) is 19200095318196957188025
• 138564408555 cubed (138564408555³) is 2660449851965585901759340053553875
• The square root of 138564408555 is 372242.4056377777
• The cube root of 138564408555 is 5174.6847551437

Scales and comparisons

• 138,564,408,555 seconds is equal to 4,405 years, 47 weeks, 5 days, 17 hours, 29 minutes, 15 seconds.
• To count from 1 to 138,564,408,555 would take you about eight thousand, eight hundred eleven 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 138564408555 cubic inches would be around 431.2 feet tall.

Recreational maths with 138564408555

• 138564408555 backwards is 555804465831
• The number of decimal digits it has is: 12
• The sum of 138564408555's digits is 54
• More coming soon!