13681475613

Names of 13681475613

• Cardinal: 13681475613 can be written as Thirteen billion, six hundred eighty-one million, four hundred seventy-five thousand, six hundred thirteen.

Scientific notation

• Scientific notation: 1.3681475613 × 10¹⁰

Factors of 13681475613

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 358

Divisors of 13681475613

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 27 31 39 93 117 169 279 311 351 403 507 837 933 1209 1521 2799 3627 4043 4563 5239 8397 9641 10881 12129 15717 28923 36387 47151 52559 86769 96721 109161 125333 141453 157677 260307 290163 375999 473031 870489 1127997 1257373 1419093 1629329 2611467 2998351 3383991 3772119 4887987 8995053 11316357 14663961 16345849 26985159 33949071 38978563 43991883 49037547 80955477 116935689 147112641 350807067 441337923 506721319 1052421201 1520163957 4560491871 13681475613
• Sum of all divisors σ(n): 22729009920
• Sum of proper divisors (its aliquot sum) s(n): 9047534307
• 13681475613 is a deficient number, because the sum of its proper divisors (9047534307) is less than itself. Its deficiency is 4633941306

Bases of 13681475613

• Binary: 1100101111011110101100000000011101₂
• Hexadecimal: 0x32F7AC01D
• Base-36: 6A9LI59

Squares and roots of 13681475613

• 13681475613 squared (13681475613²) is 187182774949113725769
• 13681475613 cubed (13681475613³) is 2560936570639966755072143171397
• The square root of 13681475613 is 116967.8400800835
• The cube root of 13681475613 is 2391.7235522515

Scales and comparisons

• 13,681,475,613 seconds is equal to 435 years, 1 week, 3 days, 9 hours, 53 minutes, 33 seconds.
• To count from 1 to 13,681,475,613 would take you about eight hundred seventy 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 13681475613 cubic inches would be around 199.3 feet tall.

Recreational maths with 13681475613

• 13681475613 backwards is 31657418631
• The number of decimal digits it has is: 11
• The sum of 13681475613's digits is 45
• More coming soon!