18327810438

Names of 18327810438

• Cardinal: 18327810438 can be written as Eighteen billion, three hundred twenty-seven million, eight hundred ten thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8327810438 × 10¹⁰

Factors of 18327810438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7100

Divisors of 18327810438

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 38 42 54 57 63 114 126 133 171 189 266 342 361 378 399 513 722 798 1026 1083 1197 2166 2394 2527 3249 3591 5054 6498 6859 7069 7182 7581 9747 13718 14138 15162 19494 20577 21207 22743 41154 42414 45486 48013 49483 61731 63621 68229 96026 98966 123462 127242 134311 136458 144039 148449 185193 190863 268622 288078 296898 370386 381726 402933 432117 445347 805866 864234 890694 940177 1208799 1296351 1336041 1880354 2417598 2551909 2592702 2672082 2820531 3626397 5103818 5641062 7252794 7655727 8461593 15311454 16923186 17863363 22967181 25384779 35726726 45934362 48486271 50769558 53590089 68901543 96972542 107180178 137803086 145458813 160770267 290917626 321540534 339403897 436376439 482310801 678807794 872752878 964621602 1018211691 1309129317 2036423382 2618258634 3054635073 6109270146 9163905219 18327810438
• Sum of all divisors σ(n): 49139328000
• Sum of proper divisors (its aliquot sum) s(n): 30811517562
• 18327810438 is an abundant number, because the sum of its proper divisors (30811517562) is greater than itself. Its abundance is 12483707124

Bases of 18327810438

• Binary: 10001000100011011000011000110000110₂
• Hexadecimal: 0x4446C3186
• Base-36: 8F3WL1I

Squares and roots of 18327810438

• 18327810438 squared (18327810438²) is 335908635451261751844
• 18327810438 cubed (18327810438³) is 6156469795037971975716628947672
• The square root of 18327810438 is 135380.2438984359
• The cube root of 18327810438 is 2636.5551582471

Scales and comparisons

• 18,327,810,438 seconds is equal to 582 years, 39 weeks, 6 days, 10 hours, 27 minutes, 18 seconds.
• To count from 1 to 18,327,810,438 would take you about one thousand, one hundred sixty-five 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 18327810438 cubic inches would be around 219.7 feet tall.

Recreational maths with 18327810438

• 18327810438 backwards is 83401872381
• The number of decimal digits it has is: 11
• The sum of 18327810438's digits is 45
• More coming soon!