12748509423

Names of 12748509423

• Cardinal: 12748509423 can be written as Twelve billion, seven hundred forty-eight million, five hundred nine thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 1.2748509423 × 10¹⁰

Factors of 12748509423

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 112

Divisors of 12748509423

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 17 39 51 79 117 153 169 221 237 507 663 711 1027 1343 1521 1989 2873 3081 4029 6241 8619 9243 12087 13351 17459 18723 25857 40053 52377 56169 81133 106097 120159 157131 226967 243399 318291 493039 680901 730197 954873 1054729 1379261 1479117 2042703 3164187 4137783 4437351 6409507 8381663 9492561 12413349 17930393 19228521 25144989 53791179 57685563 75434967 83323591 108961619 161373537 249970773 326884857 749912319 980654571 1416501047 4249503141 12748509423
• Sum of all divisors σ(n): 21383593920
• Sum of proper divisors (its aliquot sum) s(n): 8635084497
• 12748509423 is a deficient number, because the sum of its proper divisors (8635084497) is less than itself. Its deficiency is 4113424926

Bases of 12748509423

• Binary: 1011110111110111101101000011101111₂
• Hexadecimal: 0x2F7DED0EF
• Base-36: 5UU4STR

Squares and roots of 12748509423

• 12748509423 squared (12748509423²) is 162524492508319792929
• 12748509423 cubed (12748509423³) is 2071945024210607786052765269967
• The square root of 12748509423 is 112909.2973275451
• The cube root of 12748509423 is 2336.0733218619

Scales and comparisons

• 12,748,509,423 seconds is equal to 405 years, 18 weeks, 6 days, 4 hours, 37 minutes, 3 seconds.
• To count from 1 to 12,748,509,423 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 12748509423 cubic inches would be around 194.7 feet tall.

Recreational maths with 12748509423

• 12748509423 backwards is 32490584721
• The number of decimal digits it has is: 11
• The sum of 12748509423's digits is 45
• More coming soon!