13539881439

Names of 13539881439

• Cardinal: 13539881439 can be written as Thirteen billion, five hundred thirty-nine million, eight hundred eighty-one thousand, four hundred thirty-nine.

Scientific notation

• Scientific notation: 1.3539881439 × 10¹⁰

Factors of 13539881439

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1129

Divisors of 13539881439

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 31 49 63 93 147 151 217 279 343 441 453 651 937 1029 1057 1359 1519 1953 2811 3087 3171 4557 4681 6559 7399 8433 9513 10633 13671 14043 19677 22197 29047 31899 32767 42129 45913 51793 59031 66591 87141 95697 98301 137739 141487 155379 203329 229369 261423 294903 321391 413217 424461 466137 609987 688107 964173 990409 1273383 1423303 1605583 1829961 2064321 2892519 2971227 4269909 4386097 4816749 6932863 8913681 9963121 12809727 13158291 14450247 20798589 29889363 30702679 39474873 48530041 62395767 89668089 92108037 145590123 214918753 276324111 436770369 644756259 1504431271 1934268777 4513293813 13539881439
• Sum of all divisors σ(n): 23724646400
• Sum of proper divisors (its aliquot sum) s(n): 10184764961
• 13539881439 is a deficient number, because the sum of its proper divisors (10184764961) is less than itself. Its deficiency is 3355116478

Bases of 13539881439

• Binary: 1100100111000010100011000111011111₂
• Hexadecimal: 0x3270A31DF
• Base-36: 67XANDR

Squares and roots of 13539881439

• 13539881439 squared (13539881439²) is 183328389382176710721
• 13539881439 cubed (13539881439³) is 2482244656637499122909340207519
• The square root of 13539881439 is 116360.9962100705
• The cube root of 13539881439 is 2383.4440075599

Scales and comparisons

• 13,539,881,439 seconds is equal to 430 years, 27 weeks, 2 days, 14 hours, 10 minutes, 39 seconds.
• To count from 1 to 13,539,881,439 would take you about eight hundred sixty-one 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 13539881439 cubic inches would be around 198.6 feet tall.

Recreational maths with 13539881439

• 13539881439 backwards is 93418893531
• The number of decimal digits it has is: 11
• The sum of 13539881439's digits is 54
• More coming soon!