18289553464

Names of 18289553464

• Cardinal: 18289553464 can be written as Eighteen billion, two hundred eighty-nine million, five hundred fifty-three thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8289553464 × 10¹⁰

Factors of 18289553464

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1073

Divisors of 18289553464

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 52 56 91 104 127 182 254 337 364 508 587 674 728 889 1016 1174 1348 1651 1778 2348 2359 2696 3302 3556 4109 4381 4696 4718 6604 7112 7631 8218 8762 9436 11557 13208 15262 16436 17524 18872 23114 30524 30667 32872 35048 42799 46228 53417 61048 61334 74549 85598 92456 106834 122668 149098 171196 197819 213668 245336 298196 299593 342392 395638 427336 521843 556387 596392 599186 791276 969137 1043686 1112774 1198372 1384733 1582552 1938274 2087372 2225548 2396744 2571647 2769466 3876548 3894709 4174744 4451096 5143294 5538932 6783959 7753096 7789418 10286588 11077864 13567918 15578836 18001529 20573176 25123013 27135836 31157672 36003058 50246026 54271672 72006116 100492052 144012232 175861091 200984104 326599169 351722182 653198338 703444364 1306396676 1406888728 2286194183 2612793352 4572388366 9144776732 18289553464
• Sum of all divisors σ(n): 42737909760
• Sum of proper divisors (its aliquot sum) s(n): 24448356296
• 18289553464 is an abundant number, because the sum of its proper divisors (24448356296) is greater than itself. Its abundance is 6158802832

Bases of 18289553464

• Binary: 10001000010001001000111000000111000₂
• Hexadecimal: 0x442247038
• Base-36: 8EH4LRS

Squares and roots of 18289553464

• 18289553464 squared (18289553464²) is 334507765912514399296
• 18289553464 cubed (18289553464³) is 6117997668780128852594035961344
• The square root of 18289553464 is 135238.8755646837
• The cube root of 18289553464 is 2634.7193891197

Scales and comparisons

• 18,289,553,464 seconds is equal to 581 years, 28 weeks, 4 days, 15 hours, 31 minutes, 4 seconds.
• To count from 1 to 18,289,553,464 would take you about one thousand, one hundred sixty-three 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 18289553464 cubic inches would be around 219.6 feet tall.

Recreational maths with 18289553464

• 18289553464 backwards is 46435598281
• The number of decimal digits it has is: 11
• The sum of 18289553464's digits is 55
• More coming soon!