18381605970

Names of 18381605970

• Cardinal: 18381605970 can be written as Eighteen billion, three hundred eighty-one million, six hundred five thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.838160597 × 10¹⁰

Factors of 18381605970

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 63064

Divisors of 18381605970

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 107 130 182 195 210 214 273 321 390 455 535 546 642 749 910 1070 1365 1391 1498 1605 2247 2730 2782 3210 3745 4173 4494 6955 7490 8346 9737 11235 13910 19474 20865 22470 29211 41730 48685 58422 62927 97370 125854 146055 188781 292110 314635 377562 440489 629270 818051 880978 943905 1321467 1636102 1887810 2202445 2454153 2642934 4090255 4404890 4908306 5726357 6607335 6733189 8180510 11452714 12270765 13214670 13466378 17179071 20199567 24541530 28631785 33665945 34358142 40399134 47132323 57263570 67331890 85895355 87531457 94264646 100997835 141396969 171790710 175062914 201995670 235661615 262594371 282793938 437657285 471323230 525188742 612720199 706984845 875314570 1225440398 1312971855 1413969690 1838160597 2625943710 3063600995 3676321194 6127201990 9190802985 18381605970
• Sum of all divisors σ(n): 54804750336
• Sum of proper divisors (its aliquot sum) s(n): 36423144366
• 18381605970 is an abundant number, because the sum of its proper divisors (36423144366) is greater than itself. Its abundance is 18041538396

Bases of 18381605970

• Binary: 10001000111101000010000110001010010₂
• Hexadecimal: 0x447A10C52
• Base-36: 8FZXLXU

Squares and roots of 18381605970

• 18381605970 squared (18381605970²) is 337883438036339640900
• 18381605970 cubed (18381605970³) is 6210840221772905820115096173000
• The square root of 18381605970 is 135578.7814150873
• The cube root of 18381605970 is 2639.1322317265

Scales and comparisons

• 18,381,605,970 seconds is equal to 584 years, 24 weeks, 6 days, 1 hour, 39 minutes, 30 seconds.
• To count from 1 to 18,381,605,970 would take you about one thousand, one hundred sixty-eight 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 18381605970 cubic inches would be around 219.9 feet tall.

Recreational maths with 18381605970

• 18381605970 backwards is 07950618381
• The number of decimal digits it has is: 11
• The sum of 18381605970's digits is 48
• More coming soon!