13639942406979

Names of 13639942406979

• Cardinal: 13639942406979 can be written as Thirteen trillion, six hundred thirty-nine billion, nine hundred forty-two million, four hundred six thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.3639942406979 × 10¹³

Factors of 13639942406979

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 126

Divisors of 13639942406979

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 43 49 63 73 129 147 219 301 387 441 511 657 903 1533 1849 2107 2709 3139 3577 4599 5329 5547 6321 9417 10731 12943 15987 16641 18963 21973 28251 32193 37303 38829 47961 65919 79507 90601 111909 116487 134977 153811 197757 229147 238521 261121 271803 335727 389017 404931 461433 556549 687441 715563 783363 815409 944839 1167051 1214793 1384299 1604029 1669647 2062323 2350089 2723119 2834517 3501153 3895843 4812087 5008941 5804011 6613873 8169357 8503551 9853321 11228203 11687529 14436261 16727731 17412033 19061833 19841619 24508071 29559963 33684609 35062587 40628077 50183193 52236099 57185499 59524857 68973247 88679889 101053827 117094117 121884231 150549579 171556497 206919741 284396539 351282351 365652693 423692803 482812729 620759223 719292433 819658819 853189617 1053847053 1271078409 1448438187 2157877299 2458976457 2559568851 2965849621 3813235227 4345314561 5035047031 6473631897 7376929371 8897548863 15105141093 20760947347 26692646589 30929574619 35245329217 45315423279 62282842041 92788723857 105735987651 186848526123 216507022333 278366171571 317207962953 649521066999 1515549156331 1948563200997 4546647468993 13639942406979
• Sum of all divisors σ(n): 23790388908000
• Sum of proper divisors (its aliquot sum) s(n): 10150446501021
• 13639942406979 is a deficient number, because the sum of its proper divisors (10150446501021) is less than itself. Its deficiency is 3489495905958

Bases of 13639942406979

• Binary: 11000110011111001011111011000000001101000011₂
• Hexadecimal: 0xC67CBEC0343
• Base-36: 4U23PJAYR

Squares and roots of 13639942406979

• 13639942406979 squared (13639942406979²) is 186048028865704076067906441
• 13639942406979 cubed (13639942406979³) is 2537684398660170126465211090706917451739
• The square root of 13639942406979 is 3693229.2654232827
• The cube root of 13639942406979 is 23893.0089359925

Scales and comparisons

• 13,639,942,406,979 seconds is equal to 433,707 years, 50 weeks, 5 days, 18 hours, 49 minutes, 39 seconds.
• To count from 1 to 13,639,942,406,979 would take you about one million, eighty-four thousand, two hundred sixty-nine 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 13639942406979 cubic inches would be around 1991.1 feet tall.

Recreational maths with 13639942406979

• 13639942406979 backwards is 97960424993631
• The number of decimal digits it has is: 14
• The sum of 13639942406979's digits is 72
• More coming soon!