18121616106

Names of 18121616106

• Cardinal: 18121616106 can be written as Eighteen billion, one hundred twenty-one million, six hundred sixteen thousand, one hundred six.

Scientific notation

• Scientific notation: 1.8121616106 × 10¹⁰

Factors of 18121616106

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 243

Divisors of 18121616106

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 11 17 22 29 33 34 51 58 66 87 102 174 181 187 289 319 362 374 493 543 561 578 638 867 957 986 1086 1122 1479 1734 1914 1991 2958 3077 3179 3982 5249 5423 5973 6154 6358 8381 9231 9537 10498 10846 11946 15747 16269 16762 18462 19074 25143 31494 32538 32761 33847 50286 52309 57739 65522 67694 89233 92191 98283 101541 104618 115478 156927 173217 178466 184382 196566 203082 267699 276573 313854 346434 360371 535398 553146 556937 575399 720742 950069 981563 1081113 1113874 1150798 1516961 1670811 1726197 1900138 1963126 2162226 2850207 2944689 3033922 3341622 3452394 4550883 5700414 5889378 6126307 9101766 9467929 10450759 12252614 16151173 16686571 18378921 18935858 20901518 28403787 31352277 32302346 33373142 36757842 48453519 50059713 56807574 62704554 96907038 100119426 104147219 177662903 208294438 274569941 312441657 355325806 532988709 549139882 624883314 823709823 1065977418 1647419646 3020269351 6040538702 9060808053 18121616106
• Sum of all divisors σ(n): 43690324320
• Sum of proper divisors (its aliquot sum) s(n): 25568708214
• 18121616106 is an abundant number, because the sum of its proper divisors (25568708214) is greater than itself. Its abundance is 7447092108

Bases of 18121616106

• Binary: 10000111000001000011110101011101010₂
• Hexadecimal: 0x43821EAEA
• Base-36: 8BP54H6

Squares and roots of 18121616106

• 18121616106 squared (18121616106²) is 328392970293238603236
• 18121616106 cubed (18121616106³) is 5951011339563132215302441319016
• The square root of 18121616106 is 134616.5521249151
• The cube root of 18121616106 is 2626.6304540309

Scales and comparisons

• 18,121,616,106 seconds is equal to 576 years, 10 weeks, 6 days, 22 hours, 15 minutes, 6 seconds.
• To count from 1 to 18,121,616,106 would take you about one thousand, one hundred fifty-two 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 18121616106 cubic inches would be around 218.9 feet tall.

Recreational maths with 18121616106

• 18121616106 backwards is 60161612181
• 18121616106 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18121616106's digits is 33
• More coming soon!