18393731136

Names of 18393731136

• Cardinal: 18393731136 can be written as Eighteen billion, three hundred ninety-three million, seven hundred thirty-one thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.8393731136 × 10¹⁰

Factors of 18393731136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 47668

Divisors of 18393731136

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 61 64 66 72 88 96 99 122 132 144 176 183 192 198 244 264 288 352 366 396 488 528 549 576 671 704 732 792 976 1056 1098 1342 1464 1584 1952 2013 2112 2196 2684 2928 3168 3904 4026 4392 5368 5856 6039 6336 8052 8784 10736 11712 12078 16104 17568 21472 24156 32208 35136 42944 47591 48312 64416 95182 96624 128832 142773 190364 193248 285546 380728 386496 428319 523501 571092 761456 856638 1047002 1142184 1522912 1570503 1713276 2094004 2284368 2903051 3045824 3141006 3426552 4188008 4568736 4711509 5806102 6282012 6853104 8376016 8709153 9137472 9423018 11612204 12564024 13706208 16752032 17418306 18846036 23224408 25128048 26127459 27412416 31933561 33504064 34836612 37692072 46448816 50256096 52254918 63867122 69673224 75384144 92897632 95800683 100512192 104509836 127734244 139346448 150768288 185795264 191601366 209019672 255468488 278692896 287402049 301536576 383202732 418039344 510936976 557385792 574804098 766405464 836078688 1021873952 1149608196 1532810928 1672157376 2043747904 2299216392 3065621856 4598432784 6131243712 9196865568 18393731136
• Sum of all divisors σ(n): 58459347648
• Sum of proper divisors (its aliquot sum) s(n): 40065616512
• 18393731136 is an abundant number, because the sum of its proper divisors (40065616512) is greater than itself. Its abundance is 21671885376

Bases of 18393731136

• Binary: 10001001000010110100001000001000000₂
• Hexadecimal: 0x4485A1040
• Base-36: 8G75HS0

Squares and roots of 18393731136

• 18393731136 squared (18393731136²) is 338329345103455850496
• 18393731136 cubed (18393731136³) is 6223139009251925018469636243456
• The square root of 18393731136 is 135623.4903547317
• The cube root of 18393731136 is 2639.7123929113

Scales and comparisons

• 18,393,731,136 seconds is equal to 584 years, 44 weeks, 6 days, 9 hours, 45 minutes, 36 seconds.
• To count from 1 to 18,393,731,136 would take you about one thousand, one hundred sixty-nine 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 18393731136 cubic inches would be around 220 feet tall.

Recreational maths with 18393731136

• 18393731136 backwards is 63113739381
• The number of decimal digits it has is: 11
• The sum of 18393731136's digits is 45
• More coming soon!