12405675943809729

Names of 12405675943809729

• Cardinal: 12405675943809729 can be written as Twelve quadrillion, four hundred five trillion, six hundred seventy-five billion, nine hundred forty-three million, eight hundred nine thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.2405675943809729 × 10¹⁶

Factors of 12405675943809729

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 870032

Divisors of 12405675943809729

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 19 21 57 63 103 133 171 309 399 721 927 1197 1957 2163 5871 6489 13699 17613 41097 123291 137359 412077 732541 961513 1236231 2197623 2609821 2884539 5127787 6592869 7829463 8653617 13918279 14147977 15383361 18268747 23488389 41754837 42443931 46150083 54806241 75451723 97427953 99035839 125264511 127331793 164418723 226355169 268811563 292283859 297107517 528162061 679065507 806434689 876851577 891322551 1433582737 1584486183 1881680941 2419304067 4300748211 4753458549 5645042823 10035079159 12902244633 16935128469 30105237477 90315712431 100621099219 301863297657 704347694533 905589892971 1911800885161 2113043083599 5735402655483 6339129250797 10363973219557 13382606196127 17206207966449 31091919658671 40147818588381 72547812536899 93275758976013 120443455765143 196915491171583 217643437610697 590746473514749 652930312832091 1378408438201081 1772239420544247 4135225314603243 12405675943809729
• Sum of all divisors σ(n): 21766544360038400
• Sum of proper divisors (its aliquot sum) s(n): 9360868416228671
• 12405675943809729 is a deficient number, because the sum of its proper divisors (9360868416228671) is less than itself. Its deficiency is 3044807527581058

Bases of 12405675943809729

• Binary: 101100000100101110010110000011110101000101001011000001₂
• Hexadecimal: 0x2C12E583D452C1
• Base-36: 3E5G0UNVSU9

Squares and roots of 12405675943809729

• 12405675943809729 squared (12405675943809729²) is 153900795622819410400954555053441
• 12405675943809729 cubed (12405675943809729³) is 1909243397991188398783435846227296623978730727489
• The square root of 12405675943809729 is 111380770.0808794417
• The cube root of 12405675943809729 is 231494.2158650089

Scales and comparisons

• 12,405,675,943,809,729 seconds is equal to 394,462,121 years, 38 weeks, 2 days, 14 hours, 42 minutes, 9 seconds.
• To count from 1 to 12,405,675,943,809,729 would take you about one billion, one hundred eighty-three million, three hundred eighty-six thousand, three hundred sixty-five 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 12405675943809729 cubic inches would be around 19291.2 feet tall.

Recreational maths with 12405675943809729

• 12405675943809729 backwards is 92790834957650421
• The number of decimal digits it has is: 17
• The sum of 12405675943809729's digits is 81
• More coming soon!