12998538735

Names of 12998538735

• Cardinal: 12998538735 can be written as Twelve billion, nine hundred ninety-eight million, five hundred thirty-eight thousand, seven hundred thirty-five.

Scientific notation

• Scientific notation: 1.2998538735 × 10¹⁰

Factors of 12998538735

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1065

Divisors of 12998538735

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 13 15 21 35 39 65 79 91 105 149 195 237 273 395 447 455 553 745 809 1027 1043 1185 1365 1659 1937 2235 2427 2765 3081 3129 4045 5135 5215 5663 5811 7189 8295 9685 10517 11771 12135 13559 15405 15645 16989 21567 28315 29055 31551 35313 35945 40677 52585 58855 63911 67795 73619 82397 84945 107835 120541 153023 157755 176565 191733 203385 220857 247191 319555 361623 368095 411985 447377 459069 602705 765115 830843 843787 958665 1071161 1104285 1235955 1342131 1567033 1808115 2236885 2295345 2492529 2531361 3213483 4154215 4218935 4701099 5355805 5815901 6710655 7835165 9522739 10969231 12462645 12656805 16067415 17447703 23505495 28568217 29079505 32907693 47613695 54846155 66659173 87238515 123795607 142841085 164538465 199977519 333295865 371386821 618978035 866569249 999887595 1856934105 2599707747 4332846245 12998538735
• Sum of all divisors σ(n): 26127360000
• Sum of proper divisors (its aliquot sum) s(n): 13128821265
• 12998538735 is an abundant number, because the sum of its proper divisors (13128821265) is greater than itself. Its abundance is 130282530

Bases of 12998538735

• Binary: 1100000110110001011111010111101111₂
• Hexadecimal: 0x306C5F5EF
• Base-36: 5YYZSOF

Squares and roots of 12998538735

• 12998538735 squared (12998538735²) is 168962009245295400225
• 12998538735 cubed (12998538735³) is 2196259221918400376341990215375
• The square root of 12998538735 is 114011.1342588963
• The cube root of 12998538735 is 2351.2465838277

Scales and comparisons

• 12,998,538,735 seconds is equal to 413 years, 16 weeks, 2 days, 1 hour, 12 minutes, 15 seconds.
• To count from 1 to 12,998,538,735 would take you about eight hundred twenty-six 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 12998538735 cubic inches would be around 195.9 feet tall.

Recreational maths with 12998538735

• 12998538735 backwards is 53783589921
• The number of decimal digits it has is: 11
• The sum of 12998538735's digits is 60
• More coming soon!