18997079031

Names of 18997079031

• Cardinal: 18997079031 can be written as Eighteen billion, nine hundred ninety-seven million, seventy-nine thousand and thirty-one.

Scientific notation

• Scientific notation: 1.8997079031 × 10¹⁰

Factors of 18997079031

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3690

Divisors of 18997079031

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 31 41 63 67 93 123 201 217 279 287 369 469 603 651 861 1271 1407 1953 2077 2583 2747 3541 3813 4221 6231 8241 8897 10623 11439 14539 18693 19229 24723 24787 26691 31869 43617 57687 74361 80073 85157 109771 130851 145181 173061 223083 237247 255471 329313 435543 596099 711741 766413 768397 987939 1016267 1306629 1660729 1788297 2135223 2305191 3048801 4500611 4982187 5364891 6915573 7354657 9146403 9727127 13501833 14946561 22063971 29181381 31504277 40505499 51482599 66191913 68089889 87544143 94512831 154447797 204269667 283538493 301540937 463343391 612809001 904622811 2110786559 2713868433 6332359677 18997079031
• Sum of all divisors σ(n): 33665888256
• Sum of proper divisors (its aliquot sum) s(n): 14668809225
• 18997079031 is a deficient number, because the sum of its proper divisors (14668809225) is less than itself. Its deficiency is 4328269806

Bases of 18997079031

• Binary: 10001101100010100000110101111110111₂
• Hexadecimal: 0x46C506BF7
• Base-36: 8Q6DBZR

Squares and roots of 18997079031

• 18997079031 squared (18997079031²) is 360889011710059898961
• 18997079031 cubed (18997079031³) is 6855837076875492358305991786791
• The square root of 18997079031 is 137829.8916454627
• The cube root of 18997079031 is 2668.2648992843

Scales and comparisons

• 18,997,079,031 seconds is equal to 604 years, 2 weeks, 3 days, 14 hours, 23 minutes, 51 seconds.
• To count from 1 to 18,997,079,031 would take you about one thousand, two hundred 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 18997079031 cubic inches would be around 222.4 feet tall.

Recreational maths with 18997079031

• 18997079031 backwards is 13097079981
• The number of decimal digits it has is: 11
• The sum of 18997079031's digits is 54
• More coming soon!