16428642345705843

Names of 16428642345705843

• Cardinal: 16428642345705843 can be written as Sixteen quadrillion, four hundred twenty-eight trillion, six hundred forty-two billion, three hundred forty-five million, seven hundred five thousand, eight hundred forty-three.

Scientific notation

• Scientific notation: 1.6428642345705843 × 10¹⁶

Factors of 16428642345705843

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 38955

Divisors of 16428642345705843

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 19 33 57 99 171 209 627 1881 13163 25759 39489 77277 118467 144793 231831 250097 283349 434379 489421 750291 850047 1303137 1468263 2250873 2550141 2751067 4404789 5383631 8253201 16150893 24759603 48452679 339065717 663526081 1017197151 1990578243 3051591453 3729722887 5971734729 6442248623 7298786891 11189168661 12606995539 19326745869 21896360673 33567505983 37820986617 57980237607 65689082019 70864734853 113462959851 138676950929 212594204559 416030852787 637782613677 1248092558361 8733993804203 26201981412609 78605944237827 96073931846233 165945882279857 288221795538699 497837646839571 864665386616097 1493512940518713 1825404705078427 5476214115235281 16428642345705843
• Sum of all divisors σ(n): 27253188876962880
• Sum of proper divisors (its aliquot sum) s(n): 10824546531257037
• 16428642345705843 is a deficient number, because the sum of its proper divisors (10824546531257037) is less than itself. Its deficiency is 5604095814448806

Bases of 16428642345705843

• Binary: 111010010111011100001101011111001010000110000101110011₂
• Hexadecimal: 0x3A5DC35F286173
• Base-36: 4HRGU3PNOMR

Squares and roots of 16428642345705843

• 16428642345705843 squared (16428642345705843²) is 269900289323119183422941884340649
• 16428642345705843 cubed (16428642345705843³) is 4434095322292054434180663499337678134650561712107
• The square root of 16428642345705843 is 128174265.5360499539
• The cube root of 16428642345705843 is 254214.6404513529

Scales and comparisons

• 16,428,642,345,705,843 seconds is equal to 522,380,009 years, 24 weeks, 1 day, 16 hours, 4 minutes, 3 seconds.
• To count from 1 to 16,428,642,345,705,843 would take you about one billion, five hundred sixty-seven million, one hundred forty thousand and twenty-eight 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 16428642345705843 cubic inches would be around 21184.6 feet tall.

Recreational maths with 16428642345705843

• 16428642345705843 backwards is 34850754324682461
• The number of decimal digits it has is: 17
• The sum of 16428642345705843's digits is 72
• More coming soon!