18818143838

Names of 18818143838

• Cardinal: 18818143838 can be written as Eighteen billion, eight hundred eighteen million, one hundred forty-three thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8818143838 × 10¹⁰

Factors of 18818143838

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1701

Divisors of 18818143838

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 13 26 31 41 62 82 403 521 533 806 1042 1066 1093 1271 2186 2542 6773 13546 14209 16151 16523 21361 28418 32302 33046 33883 42722 44813 67766 89626 209963 277693 419926 440479 555386 569453 582569 662191 880958 1138906 1165138 1324382 1389203 2778406 7402889 8608483 14805778 17216966 17653043 18059639 23347573 35306086 36119278 46695146 229489559 303518449 458979118 607036898 723774763 1447549526 9409071919 18818143838
• Sum of all divisors σ(n): 32235646464
• Sum of proper divisors (its aliquot sum) s(n): 13417502626
• 18818143838 is a deficient number, because the sum of its proper divisors (13417502626) is less than itself. Its deficiency is 5400641212

Bases of 18818143838

• Binary: 10001100001101001100001011001011110₂
• Hexadecimal: 0x461A6165E
• Base-36: 8N7U4PQ

Squares and roots of 18818143838

• 18818143838 squared (18818143838²) is 354122537507657370244
• 18818143838 cubed (18818143838³) is 6663928847096646419672413156472
• The square root of 18818143838 is 137179.2398214831
• The cube root of 18818143838 is 2659.8609156177

Scales and comparisons

• 18,818,143,838 seconds is equal to 598 years, 18 weeks, 4 days, 14 hours, 10 minutes, 38 seconds.
• To count from 1 to 18,818,143,838 would take you about one thousand, one hundred ninety-six 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 18818143838 cubic inches would be around 221.7 feet tall.

Recreational maths with 18818143838

• 18818143838 backwards is 83834181881
• The number of decimal digits it has is: 11
• The sum of 18818143838's digits is 53
• More coming soon!