13439972988981

Names of 13439972988981

• Cardinal: 13439972988981 can be written as Thirteen trillion, four hundred thirty-nine billion, nine hundred seventy-two million, nine hundred eighty-eight thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.3439972988981 × 10¹³

Factors of 13439972988981

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 524900

Divisors of 13439972988981

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 11 21 33 63 71 77 99 213 231 497 521 639 693 781 1491 1563 2343 3647 4473 4689 5467 5731 7029 10941 16401 17193 32823 36991 40117 49203 51579 110973 120351 258937 332919 361053 406901 524287 776811 1220703 1572861 2330433 2848307 3662109 3670009 4718583 5767157 8544921 11010027 17301471 25634763 33030081 37224377 40370099 51904413 111673131 121110297 260570639 273153527 335019393 363330891 409468147 781711917 819460581 1228404441 1912074689 2345135751 2458381743 2866277029 3004688797 3685213323 5736224067 8598831087 9014066391 17208672201 19393900417 21032821579 25796493261 27042199173 58181701251 63098464737 135757302919 174545103753 189295394211 213332904587 407271908757 639998713761 1221815726271 1493330332109 1919996141283 4479990996327 13439972988981
• Sum of all divisors σ(n): 24591640559616
• Sum of proper divisors (its aliquot sum) s(n): 11151667570635
• 13439972988981 is a deficient number, because the sum of its proper divisors (11151667570635) is less than itself. Its deficiency is 2288305418346

Bases of 13439972988981

• Binary: 11000011100100111100110100001101100000110101₂
• Hexadecimal: 0xC393CD0D835
• Base-36: 4RI8KWOJ9

Squares and roots of 13439972988981

• 13439972988981 squared (13439972988981²) is 180632873944538875147418361
• 13439972988981 cubed (13439972988981³) is 2427700946736612341436799926294850080141
• The square root of 13439972988981 is 3666056.8720330839
• The cube root of 13439972988981 is 23775.6718833249

Scales and comparisons

• 13,439,972,988,981 seconds is equal to 427,349 years, 29 weeks, 3 days, 22 hours, 16 minutes, 21 seconds.
• To count from 1 to 13,439,972,988,981 would take you about one million, sixty-eight thousand, three hundred seventy-three 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 13439972988981 cubic inches would be around 1981.3 feet tall.

Recreational maths with 13439972988981

• 13439972988981 backwards is 18988927993431
• The number of decimal digits it has is: 14
• The sum of 13439972988981's digits is 81
• More coming soon!