1380721888353593799

Names of 1380721888353593799

• Cardinal: 1380721888353593799 can be written as One quintillion, three hundred eighty quadrillion, seven hundred twenty-one trillion, eight hundred eighty-eight billion, three hundred fifty-three million, five hundred ninety-three thousand, seven hundred ninety-nine.

Scientific notation

• Scientific notation: 1.380721888353593799 × 10¹⁸

Factors of 1380721888353593799

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 638994

Divisors of 1380721888353593799

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 9 13 39 117 169 507 1521 2239 6717 20151 29107 87321 261963 378391 636739 1135173 1910217 3405519 5730651 8277607 24832821 74498463 107608891 322826673 968480019 1425658621 4276975863 12830927589 18533562073 55600686219 166802058657 240936306949 405436554121 722808920847 1216309662363 2168426762541 3648928987089 5270675203573 15812025610719 47436076832157 68518777646449 205556332939347 616668998818041 907772444676919 2723317334030757 8169952002092271 11801041780799947 35403125342399841 106209376027199523 153413543150399311 460240629451197933 1380721888353593799
• Sum of all divisors σ(n): 2160558572610634560
• Sum of proper divisors (its aliquot sum) s(n): 779836684257040761
• 1380721888353593799 is a deficient number, because the sum of its proper divisors (779836684257040761) is less than itself. Its deficiency is 600885204096553038

Bases of 1380721888353593799

• Binary: 1001100101001010011110011110111111000111011000010100111000111₂
• Hexadecimal: 0x13294F3DF8EC29C7
• Base-36: AHN526YV00JR

Squares and roots of 1380721888353593799

• 1380721888353593799 squared (1380721888353593799²) is 1906392932978713939605773598691252401
• 1380721888353593799 cubed (1380721888353593799³) is 2632198450366316094063097546925002393288394452537461399
• The square root of 1380721888353593799 is 1175041228.3633258963
• The cube root of 1380721888353593799 is 1113530.3792008291

Scales and comparisons

• 1,380,721,888,353,593,799 seconds is equal to 43,902,685,196 years, 22 weeks, 1 day, 22 hours, 16 minutes, 39 seconds.
• To count from 1 to 1,380,721,888,353,593,799 would take you about one hundred fifty-three billion, six hundred fifty-nine million, three hundred ninety-eight thousand, one hundred eighty-seven 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 1380721888353593799 cubic inches would be around 92794.2 feet tall.

Recreational maths with 1380721888353593799

• 1380721888353593799 backwards is 9973953538881270831
• The number of decimal digits it has is: 19
• The sum of 1380721888353593799's digits is 99
• More coming soon!