18228378729344

Names of 18228378729344

• Cardinal: 18228378729344 can be written as Eighteen trillion, two hundred twenty-eight billion, three hundred seventy-eight million, seven hundred twenty-nine thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 1.8228378729344 × 10¹³

Factors of 18228378729344

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7535

Divisors of 18228378729344

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 128 133 152 224 266 304 361 448 532 608 722 896 1064 1216 1444 2128 2432 2527 2888 4256 5054 5776 7507 8512 10108 11552 15014 17024 20216 23104 30028 40432 46208 52549 60056 80864 105098 120112 142633 161728 210196 240224 285266 323456 420392 480448 570532 840784 960896 998431 1141064 1681568 1996862 2282128 2710027 3363136 3993724 4564256 5420054 6726272 7987448 9128512 10840108 15974896 18257024 18970189 21680216 31949792 37940378 43360432 56355049 63899584 75880756 86720864 112710098 127799168 151761512 173441728 225420196 303523024 346883456 394485343 450840392 607046048 788970686 901680784 1070745931 1214092096 1577941372 1803361568 2141491862 2428184192 3155882744 3606723136 4282983724 6311765488 7213446272 7495221517 8565967448 12623530976 14990443034 17131934896 20344172689 25247061952 29980886068 34263869792 40688345378 50494123904 59961772136 68527739584 81376690756 119923544272 137055479168 142409208823 162753381512 239847088544 284818417646 325506763024 479694177088 569636835292 651013526048 959388354176 1139273670584 1302027052096 2278547341168 2604054104192 4557094682336 9114189364672 18228378729344
• Sum of all divisors σ(n): 43807233802680
• Sum of proper divisors (its aliquot sum) s(n): 25578855073336
• 18228378729344 is an abundant number, because the sum of its proper divisors (25578855073336) is greater than itself. Its abundance is 7350476343992

Bases of 18228378729344

• Binary: 100001001010000100000000010011111101110000000₂
• Hexadecimal: 0x10942009FB80
• Base-36: 6GM021W8W

Squares and roots of 18228378729344

• 18228378729344 squared (18228378729344²) is 332273791100400780006670336
• 18228378729344 cubed (18228378729344³) is 6056812506013037265787135899179977539584
• The square root of 18228378729344 is 4269470.5443818207
• The cube root of 18228378729344 is 26317.7857927355

Scales and comparisons

• 18,228,378,729,344 seconds is equal to 579,606 years, 3 weeks, 15 hours, 55 minutes, 44 seconds.
• To count from 1 to 18,228,378,729,344 would take you about one million, four hundred forty-nine thousand and fifteen 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 18228378729344 cubic inches would be around 2193.1 feet tall.

Recreational maths with 18228378729344

• 18228378729344 backwards is 44392787382281
• The number of decimal digits it has is: 14
• The sum of 18228378729344's digits is 68
• More coming soon!