18684913338

Names of 18684913338

• Cardinal: 18684913338 can be written as Eighteen billion, six hundred eighty-four million, nine hundred thirteen thousand, three hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8684913338 × 10¹⁰

Factors of 18684913338

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4776

Divisors of 18684913338

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 49 63 78 91 98 117 126 147 182 234 273 294 343 441 546 637 686 819 882 1029 1274 1638 1911 2058 2401 3087 3822 4459 4751 4802 5733 6174 7203 8918 9502 11466 13377 14253 14406 16807 21609 26754 28506 31213 33257 33614 40131 42759 43218 50421 61763 62426 66514 80262 85518 93639 99771 100842 123526 151263 185289 187278 199542 218491 232799 280917 299313 302526 370578 432341 436982 465598 555867 561834 598626 655473 698397 864682 1111734 1297023 1310946 1396794 1629593 1966419 2095191 2594046 3026387 3259186 3891069 3932838 4190382 4888779 6052774 7782138 9079161 9777558 11407151 14666337 18158322 21184709 22814302 27237483 29332674 34221453 42369418 54474966 63554127 68442906 79850057 102664359 127108254 148292963 159700114 190662381 205328718 239550171 296585926 381324762 444878889 479100342 718650513 889757778 1038050741 1334636667 1437301026 2076101482 2669273334 3114152223 6228304446 9342456669 18684913338
• Sum of all divisors σ(n): 50874759936
• Sum of proper divisors (its aliquot sum) s(n): 32189846598
• 18684913338 is an abundant number, because the sum of its proper divisors (32189846598) is greater than itself. Its abundance is 13504933260

Bases of 18684913338

• Binary: 10001011001101101010010011010111010₂
• Hexadecimal: 0x459B526BA
• Base-36: 8L0IJEI

Squares and roots of 18684913338

• 18684913338 squared (18684913338²) is 349125986448570302244
• 18684913338 cubed (18684913338³) is 6523388800835298491429606930472
• The square root of 18684913338 is 136692.7698819509
• The cube root of 18684913338 is 2653.5688636563

Scales and comparisons

• 18,684,913,338 seconds is equal to 594 years, 6 weeks, 2 days, 13 hours, 42 minutes, 18 seconds.
• To count from 1 to 18,684,913,338 would take you about one thousand, one hundred eighty-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 18684913338 cubic inches would be around 221.1 feet tall.

Recreational maths with 18684913338

• 18684913338 backwards is 83331948681
• The number of decimal digits it has is: 11
• The sum of 18684913338's digits is 54
• More coming soon!