18968678016448

Names of 18968678016448

• Cardinal: 18968678016448 can be written as Eighteen trillion, nine hundred sixty-eight billion, six hundred seventy-eight million, sixteen thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.8968678016448 × 10¹³

Factors of 18968678016448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2075

Divisors of 18968678016448

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 4 8 16 32 41 53 64 82 106 164 212 328 424 656 848 1312 1681 1696 1979 2173 2624 3362 3392 3958 4346 6724 7916 8692 13448 15832 17384 26896 31664 34768 53792 63328 68921 69536 81139 89093 104887 107584 126656 137842 139072 162278 178186 209774 275684 324556 356372 419548 551368 649112 712744 839096 1102736 1298224 1425488 1678192 2205472 2596448 2825761 2850976 3326699 3356384 3652813 4300367 4410944 5192896 5651522 5701952 6653398 6712768 7305626 8600734 11303044 13306796 14611252 17201468 22606088 26613592 29222504 34402936 45212176 53227184 58445008 68805872 90424352 106454368 116890016 136394659 137611744 149765333 176315047 180848704 212908736 233780032 272789318 275223488 299530666 352630094 545578636 599061332 705260188 1091157272 1198122664 1410520376 2182314544 2396245328 2821040752 4364629088 4792490656 5592181019 5642081504 7228916927 8729258176 9584981312 11184362038 11284163008 14457833854 22368724076 28915667708 44737448152 57831335416 89474896304 115662670832 178949792608 231325341664 296385594007 357899585216 462650683328 592771188014 1185542376028 2371084752056 4742169504112 9484339008224 18968678016448
• Sum of all divisors σ(n): 39329820070200
• Sum of proper divisors (its aliquot sum) s(n): 20361142053752
• 18968678016448 is an abundant number, because the sum of its proper divisors (20361142053752) is greater than itself. Its abundance is 1392464037304

Bases of 18968678016448

• Binary: 100010100000001111101010100001010010111000000₂
• Hexadecimal: 0x11407D50A5C0
• Base-36: 6Q2394TZ4

Squares and roots of 18968678016448

• 18968678016448 squared (18968678016448²) is 359810745691677631758536704
• 18968678016448 cubed (18968678016448³) is 6825134181883487421766970176521723707392
• The square root of 18968678016448 is 4355304.5836597927
• The cube root of 18968678016448 is 26669.3453289075

Scales and comparisons

• 18,968,678,016,448 seconds is equal to 603,145 years, 14 weeks, 6 days, 10 hours, 47 minutes, 28 seconds.
• To count from 1 to 18,968,678,016,448 would take you about one million, five hundred seven thousand, eight hundred sixty-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 18968678016448 cubic inches would be around 2222.4 feet tall.

Recreational maths with 18968678016448

• 18968678016448 backwards is 84461087686981
• The number of decimal digits it has is: 14
• The sum of 18968678016448's digits is 76
• More coming soon!