18012499311408

Names of 18012499311408

• Cardinal: 18012499311408 can be written as Eighteen trillion, twelve billion, four hundred ninety-nine million, three hundred eleven thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8012499311408 × 10¹³

Factors of 18012499311408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3153448788

Divisors of 18012499311408

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 42 48 51 56 68 84 102 112 119 136 168 204 238 272 336 357 408 476 714 816 952 1428 1904 2856 5712 3153448759 6306897518 9460346277 12613795036 18920692554 22074141313 25227590072 37841385108 44148282626 50455180144 53608628903 66222423939 75682770216 88296565252 107217257806 132444847878 151365540432 160825886709 176593130504 214434515612 264889695756 321651773418 353186261008 375260402321 428869031224 529779391512 643303546836 750520804642 857738062448 1059558783024 1125781206963 1286607093672 1501041609284 2251562413926 2573214187344 3002083218568 4503124827852 6004166437136 9006249655704 18012499311408
• Sum of all divisors σ(n): 56307981058560
• Sum of proper divisors (its aliquot sum) s(n): 38295481747152
• 18012499311408 is an abundant number, because the sum of its proper divisors (38295481747152) is greater than itself. Its abundance is 20282982435744

Bases of 18012499311408

• Binary: 100000110000111011100100111110111101100110000₂
• Hexadecimal: 0x1061DC9F7B30
• Base-36: 6DUTT0RAO

Squares and roots of 18012499311408

• 18012499311408 squared (18012499311408²) is 324450131443473674158942464
• 18012499311408 cubed (18012499311408³) is 5844157769211804644863526896345490829312
• The square root of 18012499311408 is 4244113.4894590177
• The cube root of 18012499311408 is 26213.4787353115

Scales and comparisons

• 18,012,499,311,408 seconds is equal to 572,741 years, 39 weeks, 4 days, 6 hours, 56 minutes, 48 seconds.
• To count from 1 to 18,012,499,311,408 would take you about one million, four hundred thirty-one thousand, eight hundred fifty-four 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 18012499311408 cubic inches would be around 2184.5 feet tall.

Recreational maths with 18012499311408

• 18012499311408 backwards is 80411399421081
• 18012499311408 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18012499311408's digits is 51
• More coming soon!