18438704050

Names of 18438704050

• Cardinal: 18438704050 can be written as Eighteen billion, four hundred thirty-eight million, seven hundred four thousand and fifty.

Scientific notation

• Scientific notation: 1.843870405 × 10¹⁰

Factors of 18438704050

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 18875

Divisors of 18438704050

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 17 25 26 34 50 65 85 89 130 170 178 221 325 425 442 445 650 850 890 1105 1157 1513 2210 2225 2314 3026 4450 5525 5785 7565 11050 11570 15130 18749 19669 28925 37498 37825 39338 57850 75650 93745 98345 187490 196690 243737 318733 468725 487474 491725 637466 937450 983450 1218685 1593665 1668661 2437370 3187330 3337322 4143529 6093425 7968325 8287058 8343305 12186850 15936650 16686610 20717645 21692593 28367237 41435290 41716525 43385186 56734474 83433050 103588225 108462965 141836185 207176450 216925930 283672370 368774081 542314825 709180925 737548162 1084629650 1418361850 1843870405 3687740810 9219352025 18438704050
• Sum of all divisors σ(n): 39548250000
• Sum of proper divisors (its aliquot sum) s(n): 21109545950
• 18438704050 is an abundant number, because the sum of its proper divisors (21109545950) is greater than itself. Its abundance is 2670841900

Bases of 18438704050

• Binary: 10001001011000010000100101110110010₂
• Hexadecimal: 0x44B084BB2
• Base-36: 8GXXF3M

Squares and roots of 18438704050

• 18438704050 squared (18438704050²) is 339985807043486402500
• 18438704050 cubed (18438704050³) is 6268897677275251255896680125000
• The square root of 18438704050 is 135789.1897390953
• The cube root of 18438704050 is 2641.8620190539

Scales and comparisons

• 18,438,704,050 seconds is equal to 586 years, 15 weeks, 1 day, 22 hours, 14 minutes, 10 seconds.
• To count from 1 to 18,438,704,050 would take you about one thousand, one hundred seventy-two 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 18438704050 cubic inches would be around 220.2 feet tall.

Recreational maths with 18438704050

• 18438704050 backwards is 05040783481
• The number of decimal digits it has is: 11
• The sum of 18438704050's digits is 40
• More coming soon!