13688415498978

Names of 13688415498978

• Cardinal: 13688415498978 can be written as Thirteen trillion, six hundred eighty-eight billion, four hundred fifteen million, four hundred ninety-eight thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.3688415498978 × 10¹³

Factors of 13688415498978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4184

Divisors of 13688415498978

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 41 54 66 81 82 99 121 123 162 198 242 246 297 363 369 451 594 726 738 891 902 1089 1107 1353 1782 2178 2214 2706 3267 3321 4059 4127 4961 6534 6642 8118 8254 9801 9922 12177 12381 14883 19602 24354 24762 29766 36531 37143 44649 45397 73062 74286 89298 90794 111429 133947 136191 169207 222858 267894 272382 334287 338414 401841 408573 499367 507621 668574 803682 817146 998734 1015242 1225719 1498101 1522863 1861277 2451438 2996202 3045726 3677157 3722554 4494303 4568589 5583831 7354314 8988606 9137178 11167662 13482909 13705767 16751493 17032129 20474047 26965818 27411534 33502986 34064258 40448727 40948094 50254479 51096387 61422141 80897454 100508958 102192774 122844282 150763437 153289161 184266423 187353419 301526874 306578322 368532846 374706838 459867483 552799269 562060257 698317289 919734966 1105598538 1124120514 1379602449 1396634578 1658397807 1686180771 2060887609 2094951867 2759204898 3316795614 3372361542 4121775218 4189903734 5058542313 6182662827 6284855601 7681490179 10117084626 12365325654 12569711202 15175626939 15362980358 18547988481 18854566803 23044470537 30351253878 37095976962 37709133606 46088941074 55643965443 56563700409 69133411611 84496391969 111287930886 113127400818 138266823222 166931896329 168992783938 207400234833 253489175907 333863792658 414800469666 506978351814 622200704499 760467527721 1244401408998 1520935055442 2281402583163 4562805166326 6844207749489 13688415498978
• Sum of all divisors σ(n): 34544724971526
• Sum of proper divisors (its aliquot sum) s(n): 20856309472548
• 13688415498978 is an abundant number, because the sum of its proper divisors (20856309472548) is greater than itself. Its abundance is 7167893973570

Bases of 13688415498978

• Binary: 11000111001100010101001001001011001011100010₂
• Hexadecimal: 0xC731524B2E2
• Base-36: 4UODD5W4I

Squares and roots of 13688415498978

• 13688415498978 squared (13688415498978²) is 187372718872661128719044484
• 13688415498978 cubed (13688415498978³) is 2564835629102182201917403986424238537352
• The square root of 13688415498978 is 3699785.8720442189
• The cube root of 13688415498978 is 23921.2788200665

Scales and comparisons

• 13,688,415,498,978 seconds is equal to 435,249 years, 14 weeks, 22 hours, 36 minutes, 18 seconds.
• To count from 1 to 13,688,415,498,978 would take you about one million, eighty-eight thousand, one hundred twenty-three 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 13688415498978 cubic inches would be around 1993.4 feet tall.

Recreational maths with 13688415498978

• 13688415498978 backwards is 87989451488631
• 13688415498978 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 13688415498978's digits is 81
• More coming soon!