13455121966

Names of 13455121966

• Cardinal: 13455121966 can be written as Thirteen billion, four hundred fifty-five million, one hundred twenty-one thousand, nine hundred sixty-six.

Scientific notation

• Scientific notation: 1.3455121966 × 10¹⁰

Factors of 13455121966

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 45

Divisors of 13455121966

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 11 13 19 22 26 38 143 209 247 286 361 418 494 722 2717 3971 4693 5434 6859 7942 9386 13718 51623 75449 89167 103246 130321 150898 178334 260642 980837 1433531 1694173 1961674 2476099 2867062 3388346 4952198 18635903 27237089 32189287 37271806 47045881 54474178 64378574 94091762 354082157 517504691 611596453 708164314 1035009382 1223192906 6727560983 13455121966
• Sum of all divisors σ(n): 25028408664
• Sum of proper divisors (its aliquot sum) s(n): 11573286698
• 13455121966 is a deficient number, because the sum of its proper divisors (11573286698) is less than itself. Its deficiency is 1881835268

Bases of 13455121966

• Binary: 1100100001111111001101111000101110₂
• Hexadecimal: 0x321FCDE2E
• Base-36: 66ITYJY

Squares and roots of 13455121966

• 13455121966 squared (13455121966²) is 181040307119935705156
• 13455121966 cubed (13455121966³) is 2435919413060833102952195056696
• The square root of 13455121966 is 115996.2153089487
• The cube root of 13455121966 is 2378.4601511045
• Being both a perfect square and a perfect cube, 13455121966 is also a perfect sixth number.

Scales and comparisons

• 13,455,121,966 seconds is equal to 427 years, 43 weeks, 1 day, 13 hours, 52 minutes, 46 seconds.
• To count from 1 to 13,455,121,966 would take you about eight hundred fifty-five 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 13455121966 cubic inches would be around 198.2 feet tall.

Recreational maths with 13455121966

• 13455121966 backwards is 66912155431
• The number of decimal digits it has is: 11
• The sum of 13455121966's digits is 43
• More coming soon!