18984819988155

Names of 18984819988155

• Cardinal: 18984819988155 can be written as Eighteen trillion, nine hundred eighty-four billion, eight hundred nineteen million, nine hundred eighty-eight thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 1.8984819988155 × 10¹³

Factors of 18984819988155

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 45522

Divisors of 18984819988155

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 15 21 31 35 41 43 73 93 105 123 129 155 205 215 217 219 287 301 365 465 511 615 645 651 861 903 1085 1095 1271 1333 1435 1505 1533 1763 2263 2555 2993 3139 3255 3813 3999 4305 4515 5289 6355 6665 6789 7665 8815 8897 8979 9331 9417 11315 12341 14965 15695 15841 19065 19995 20951 21973 26445 26691 27993 33945 37023 44485 44895 45319 46655 47085 47523 54653 61705 62853 65919 79205 92783 97309 104755 109865 128699 133455 135957 139965 163959 185115 226595 237615 273265 278349 291927 314265 317233 329595 382571 386097 463915 486545 643495 649481 679785 681163 819795 900893 951699 1147713 1391745 1404889 1459635 1586165 1858079 1912855 1930485 1948443 1948717 2043489 2702679 3247405 3308287 3405815 3989669 4214667 4504465 4758495 5574237 5738565 5846151 7024445 9290395 9742215 9743585 9834223 9924861 10217445 11969007 13006553 13513395 13641019 16541435 19948345 21073335 23158009 27871185 27927683 29230755 29502669 39019659 40923057 49171115 49624305 57600449 59845035 60410227 65032765 68205095 69474027 79897397 83783049 102556897 115790045 135639767 139638415 142256341 147513345 172801347 181230681 195098295 204615285 239692191 288002245 302051135 307670691 347370135 399486985 403203143 406919301 418915245 422871589 426769023 512784485 559281779 678198835 711281705 717898279 864006735 906153405 949478369 995794387 1198460955 1209609429 1268614767 1538353455 1677845337 2016015715 2034596505 2114357945 2133845115 2153694837 2476819307 2796408895 2848435107 2987383161 3589491395 4204832777 4409946571 4747391845 4978971935 5832509981 6048047145 6343073835 7430457921 8389226685 10768474185 12384096535 12614498331 13229839713 14242175535 14936915805 17337735149 17497529943 21024163885 22049732855 29162549905 29433829439 30869625997 37152289605 40827569867 52013205447 63072491655 66149198565 86688675745 87487649715 88301488317 92608877991 122482709601 147169147195 154348129985 180807809411 204137849335 260066027235 441507441585 463044389955 542423428233 612413548005 904039047055 1265654665877 2712117141165 3796963997631 6328273329385 18984819988155
• Sum of all divisors σ(n): 38078058332160
• Sum of proper divisors (its aliquot sum) s(n): 19093238344005
• 18984819988155 is an abundant number, because the sum of its proper divisors (19093238344005) is greater than itself. Its abundance is 108418355850

Bases of 18984819988155

• Binary: 100010100010000111111011100111001011010111011₂
• Hexadecimal: 0x11443F7396BB
• Base-36: 6Q9I7NB23

Squares and roots of 18984819988155

• 18984819988155 squared (18984819988155²) is 360423389982649614340304025
• 18984819988155 cubed (18984819988155³) is 6842573178341190996975605978039598823875
• The square root of 18984819988155 is 4357157.3288274777
• The cube root of 18984819988155 is 26676.9082133739

Scales and comparisons

• 18,984,819,988,155 seconds is equal to 603,658 years, 28 weeks, 4 days, 19 hours, 49 minutes, 15 seconds.
• To count from 1 to 18,984,819,988,155 would take you about one million, five hundred nine thousand, one hundred forty-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 18984819988155 cubic inches would be around 2223.1 feet tall.

Recreational maths with 18984819988155

• 18984819988155 backwards is 55188991848981
• The number of decimal digits it has is: 14
• The sum of 18984819988155's digits is 84
• More coming soon!