18038683992

Names of 18038683992

• Cardinal: 18038683992 can be written as Eighteen billion, thirty-eight million, six hundred eighty-three thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8038683992 × 10¹⁰

Factors of 18038683992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1555

Divisors of 18038683992

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 31 42 49 56 62 84 93 98 124 147 168 186 196 217 248 294 372 392 434 479 588 651 744 868 958 1033 1176 1302 1437 1519 1736 1916 2066 2604 2874 3038 3099 3353 3832 4132 4557 5208 5748 6076 6198 6706 7231 8264 9114 10059 11496 12152 12396 13412 14462 14849 18228 20118 21693 23471 24792 26824 28924 29698 32023 36456 40236 43386 44547 46942 50617 57848 59396 64046 70413 80472 86772 89094 93884 96069 101234 103943 118792 128092 140826 151851 173544 178188 187768 192138 202468 207886 224161 256184 281652 303702 311829 356376 384276 404936 415772 448322 494807 563304 607404 623658 672483 727601 768552 831544 896644 989614 1214808 1247316 1344966 1455202 1484421 1569127 1793288 1979228 2182803 2494632 2689932 2910404 2968842 3138254 3463649 3958456 4365606 4707381 5379864 5820808 5937684 6276508 6927298 8731212 9414762 10390947 11875368 12553016 13854596 15339017 17462424 18829524 20781894 24245543 27709192 30678034 37659048 41563788 46017051 48491086 61356068 72736629 83127576 92034102 96982172 107373119 122712136 145473258 184068204 193964344 214746238 290946516 322119357 368136408 429492476 581893032 644238714 751611833 858984952 1288477428 1503223666 2254835499 2576954856 3006447332 4509670998 6012894664 9019341996 18038683992
• Sum of all divisors σ(n): 54317260800
• Sum of proper divisors (its aliquot sum) s(n): 36278576808
• 18038683992 is an abundant number, because the sum of its proper divisors (36278576808) is greater than itself. Its abundance is 18239892816

Bases of 18038683992

• Binary: 10000110011001100000111100101011000₂
• Hexadecimal: 0x433307958
• Base-36: 8ABRLNC

Squares and roots of 18038683992

• 18038683992 squared (18038683992²) is 325394120163237056064
• 18038683992 cubed (18038683992³) is 5869681706479508710122883327488
• The square root of 18038683992 is 134308.1680018007
• The cube root of 18038683992 is 2622.6174719787

Scales and comparisons

• 18,038,683,992 seconds is equal to 573 years, 29 weeks, 6 days, 1 hour, 33 minutes, 12 seconds.
• To count from 1 to 18,038,683,992 would take you about one thousand, one hundred forty-seven 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 18038683992 cubic inches would be around 218.6 feet tall.

Recreational maths with 18038683992

• 18038683992 backwards is 29938683081
• The number of decimal digits it has is: 11
• The sum of 18038683992's digits is 57
• More coming soon!