13581377667

Names of 13581377667

• Cardinal: 13581377667 can be written as Thirteen billion, five hundred eighty-one million, three hundred seventy-seven thousand, six hundred sixty-seven.

Scientific notation

• Scientific notation: 1.3581377667 × 10¹⁰

Factors of 13581377667

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 276

Divisors of 13581377667

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 13 31 33 39 79 93 99 117 139 143 237 279 341 403 417 429 711 869 961 1023 1027 1209 1251 1287 1529 1807 2449 2607 2883 3069 3081 3627 4309 4433 4587 5421 7347 7821 8649 9243 10571 10981 11297 12493 12927 13299 13761 16263 19877 22041 26939 31713 31837 32943 33891 37479 38781 39897 47399 56017 59631 75919 80817 95139 95511 98829 101673 112437 120791 133579 137423 142197 142753 168051 178893 227757 242451 286533 340411 350207 362373 400737 412269 426591 428259 504153 616187 683271 835109 986947 1021233 1050621 1087119 1202211 1236807 1284777 1469369 1570283 1736527 1848561 2505327 2960841 3063699 3151863 3744521 4408107 4425343 4710849 5209581 5545683 7515981 8882523 10552741 10856417 11233563 13224321 13276029 14132547 15628743 19101797 31658223 32569251 33700689 39828087 48678773 57305391 94974669 97707753 116080151 137185633 146036319 171916173 348240453 411556899 438108957 1044721359 1234670697 1509041963 4527125889 13581377667
• Sum of all divisors σ(n): 24289574400
• Sum of proper divisors (its aliquot sum) s(n): 10708196733
• 13581377667 is a deficient number, because the sum of its proper divisors (10708196733) is less than itself. Its deficiency is 2873180934

Bases of 13581377667

• Binary: 1100101001100000110110000010000011₂
• Hexadecimal: 0x329836083
• Base-36: 68M022R

Squares and roots of 13581377667

• 13581377667 squared (13581377667²) is 184453819333686362889
• 13581377667 cubed (13581377667³) is 2505136982491380789723122199963
• The square root of 13581377667 is 116539.1679522383
• The cube root of 13581377667 is 2385.8764037809

Scales and comparisons

• 13,581,377,667 seconds is equal to 431 years, 43 weeks, 6 days, 20 hours, 54 minutes, 27 seconds.
• To count from 1 to 13,581,377,667 would take you about eight hundred sixty-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 13581377667 cubic inches would be around 198.8 feet tall.

Recreational maths with 13581377667

• 13581377667 backwards is 76677318531
• The number of decimal digits it has is: 11
• The sum of 13581377667's digits is 54
• More coming soon!