18720146496

Names of 18720146496

• Cardinal: 18720146496 can be written as Eighteen billion, seven hundred twenty million, one hundred forty-six thousand, four hundred ninety-six.

Scientific notation

• Scientific notation: 1.8720146496 × 10¹⁰

Factors of 18720146496

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 201

Divisors of 18720146496

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 136 179 192 204 272 358 408 537 544 716 816 1074 1088 1432 1632 2148 2864 3043 3264 4296 5728 6086 8592 9129 11456 12172 17184 18258 24344 32041 34368 36516 48688 64082 73032 96123 97376 128164 146064 192246 194752 256328 292128 384492 512656 544697 584256 768984 1025312 1089394 1537968 1634091 2050624 2178788 3075936 3268182 4357576 5735339 6151872 6536364 8715152 11470678 13072728 17206017 17430304 22941356 26145456 34412034 34860608 45882712 52290912 68824068 91765424 97500763 104581824 137648136 183530848 195001526 275296272 292502289 367061696 390003052 550592544 585004578 780006104 1101185088 1170009156 1560012208 2340018312 3120024416 4680036624 6240048832 9360073248 18720146496
• Sum of all divisors σ(n): 52738568640
• Sum of proper divisors (its aliquot sum) s(n): 34018422144
• 18720146496 is an abundant number, because the sum of its proper divisors (34018422144) is greater than itself. Its abundance is 15298275648

Bases of 18720146496

• Binary: 10001011011110011101100010001000000₂
• Hexadecimal: 0x45BCEC440
• Base-36: 8LLHPHC

Squares and roots of 18720146496

• 18720146496 squared (18720146496²) is 350443884831701078016
• 18720146496 cubed (18720146496³) is 6560360862676796485340645031936
• The square root of 18720146496 is 136821.5863670641
• The cube root of 18720146496 is 2655.2357147945

Scales and comparisons

• 18,720,146,496 seconds is equal to 595 years, 12 weeks, 4 days, 8 hours, 41 minutes, 36 seconds.
• To count from 1 to 18,720,146,496 would take you about one thousand, one hundred ninety 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 18720146496 cubic inches would be around 221.3 feet tall.

Recreational maths with 18720146496

• 18720146496 backwards is 69464102781
• 18720146496 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18720146496's digits is 48
• More coming soon!