12438339616910916

Names of 12438339616910916

• Cardinal: 12438339616910916 can be written as Twelve quadrillion, four hundred thirty-eight trillion, three hundred thirty-nine billion, six hundred sixteen million, nine hundred ten thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 1.2438339616910916 × 10¹⁶

Factors of 12438339616910916

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 39663578988

Divisors of 12438339616910916

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 281 372 558 562 843 1116 1124 1686 2529 3372 5058 8711 10116 17422 26133 34844 52266 78399 104532 156798 313596 39663578671 79327157342 118990736013 158654314684 237981472026 356972208039 475962944052 713944416078 1229570938801 1427888832156 2459141877602 3688712816403 4918283755204 7377425632806 11066138449209 11145465606551 14754851265612 22132276898418 22290931213102 33436396819653 44264553796836 44581862426204 66872793639306 100309190458959 133745587278612 200618380917918 345509433803081 401236761835836 691018867606162 1036528301409243 1382037735212324 2073056602818486 3109584904227729 4146113205636972 6219169808455458 12438339616910916
• Sum of all divisors σ(n): 32571096188187648
• Sum of proper divisors (its aliquot sum) s(n): 20132756571276732
• 12438339616910916 is an abundant number, because the sum of its proper divisors (20132756571276732) is greater than itself. Its abundance is 7694416954365816

Bases of 12438339616910916

• Binary: 101100001100001001101010011110011101100010111001000100₂
• Hexadecimal: 0x2C309A9E762E44
• Base-36: 3EH0UC3HVT0

Squares and roots of 12438339616910916

• 12438339616910916 squared (12438339616910916²) is 154712292425615592596126279959056
• 12438339616910916 cubed (12438339616910916³) is 1924364036100641061142885849298726069197679455296
• The square root of 12438339616910916 is 111527304.3559778505
• The cube root of 12438339616910916 is 231697.2096338391

Scales and comparisons

• 12,438,339,616,910,916 seconds is equal to 395,500,725 years, 26 weeks, 2 days, 14 hours, 48 minutes, 36 seconds.
• To count from 1 to 12,438,339,616,910,916 would take you about one billion, one hundred eighty-six million, five hundred two thousand, one hundred seventy-six 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 12438339616910916 cubic inches would be around 19308.1 feet tall.

Recreational maths with 12438339616910916

• 12438339616910916 backwards is 61901961693383421
• The number of decimal digits it has is: 17
• The sum of 12438339616910916's digits is 72
• More coming soon!