18421440570338

Names of 18421440570338

• Cardinal: 18421440570338 can be written as Eighteen trillion, four hundred twenty-one billion, four hundred forty million, five hundred seventy thousand, three hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8421440570338 × 10¹³

Factors of 18421440570338

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 685687

Divisors of 18421440570338

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 13 19 26 31 38 62 247 403 494 589 806 1178 1759 3518 7657 15314 22867 33421 45734 54529 66842 109058 434473 683863 708877 868946 1036051 1367726 1417754 2072102 8890219 12993397 13468663 17780438 21199753 25986794 26937326 42399506 168914161 275596789 337828322 402795307 551193578 805590614 1202915017 2405830034 5236338991 10472677982 15637895221 22855385323 31275790442 37290365527 45710770646 74580731054 297120009199 484774751851 594240018398 708516945013 969549503702 1417033890026 9210720285169 18421440570338
• Sum of all divisors σ(n): 32352785203200
• Sum of proper divisors (its aliquot sum) s(n): 13931344632862
• 18421440570338 is a deficient number, because the sum of its proper divisors (13931344632862) is less than itself. Its deficiency is 4490095937476

Bases of 18421440570338

• Binary: 100001100000100010011011010111110001111100010₂
• Hexadecimal: 0x10C1136BE3E2
• Base-36: 6J2OY365E

Squares and roots of 18421440570338

• 18421440570338 squared (18421440570338²) is 339349472686494818725434244
• 18421440570338 cubed (18421440570338³) is 6251306143669802666531545322018075854472
• The square root of 18421440570338 is 4292020.5696545771
• The cube root of 18421440570338 is 26410.3726889551

Scales and comparisons

• 18,421,440,570,338 seconds is equal to 585,744 years, 43 weeks, 17 hours, 5 minutes, 38 seconds.
• To count from 1 to 18,421,440,570,338 would take you about one million, four hundred sixty-four thousand, three hundred sixty-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 18421440570338 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421440570338

• 18421440570338 backwards is 83307504412481
• The number of decimal digits it has is: 14
• The sum of 18421440570338's digits is 50
• More coming soon!