18425683890

Names of 18425683890

• Cardinal: 18425683890 can be written as Eighteen billion, four hundred twenty-five million, six hundred eighty-three thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.842568389 × 10¹⁰

Factors of 18425683890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2696

Divisors of 18425683890

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2610 2657 5314 7971 13285 15942 23913 26570 39855 47826 77053 79710 119565 154106 231159 239130 385265 462318 693477 770530 1155795 1386954 2311590 3467385 6934770 7059649 14119298 21178947 35298245 42357894 63536841 70596490 105894735 127073682 204729821 211789470 317684205 409459642 614189463 635368410 1023649105 1228378926 1842568389 2047298210 3070947315 3685136778 6141894630 9212841945 18425683890
• Sum of all divisors σ(n): 49577395140
• Sum of proper divisors (its aliquot sum) s(n): 31151711250
• 18425683890 is an abundant number, because the sum of its proper divisors (31151711250) is greater than itself. Its abundance is 12726027360

Bases of 18425683890

• Binary: 10001001010010000011001111110110010₂
• Hexadecimal: 0x44A419FB2
• Base-36: 8GQ6COI

Squares and roots of 18425683890

• 18425683890 squared (18425683890²) is 339505826814205532100
• 18425683890 cubed (18425683890³) is 6255627043691636895963847869000
• The square root of 18425683890 is 135741.2387227993
• The cube root of 18425683890 is 2641.2400381443

Scales and comparisons

• 18,425,683,890 seconds is equal to 585 years, 45 weeks, 5 days, 5 hours, 31 minutes, 30 seconds.
• To count from 1 to 18,425,683,890 would take you about one thousand, one hundred seventy-one 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 18425683890 cubic inches would be around 220.1 feet tall.

Recreational maths with 18425683890

• 18425683890 backwards is 09838652481
• The number of decimal digits it has is: 11
• The sum of 18425683890's digits is 54
• More coming soon!