18489391092

Names of 18489391092

• Cardinal: 18489391092 can be written as Eighteen billion, four hundred eighty-nine million, three hundred ninety-one thousand and ninety-two.

Scientific notation

• Scientific notation: 1.8489391092 × 10¹⁰

Factors of 18489391092

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 504

Divisors of 18489391092

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 61 122 181 183 244 257 362 366 514 543 549 724 732 771 1028 1086 1098 1542 1629 2172 2196 2313 3084 3258 4626 6516 9252 11041 15677 22082 31354 32761 33123 44164 46517 47031 62708 65522 66246 93034 94062 98283 99369 131044 132492 139551 141093 186068 188124 196566 198738 279102 282186 294849 393132 397476 418653 558204 564372 589698 837306 1179396 1674612 1998421 2837537 3996842 5675074 5995263 7993684 8419577 8512611 11350148 11990526 16839154 17025222 17985789 23981052 25258731 25537833 33678308 34050444 35971578 50517462 51075666 71943156 75776193 101034924 102151332 151552386 303104772 513594197 1027188394 1540782591 2054376788 3081565182 4622347773 6163130364 9244695546 18489391092
• Sum of all divisors σ(n): 47953016748
• Sum of proper divisors (its aliquot sum) s(n): 29463625656
• 18489391092 is an abundant number, because the sum of its proper divisors (29463625656) is greater than itself. Its abundance is 10974234564

Bases of 18489391092

• Binary: 10001001110000011011011011111110100₂
• Hexadecimal: 0x44E0DB7F4
• Base-36: 8HS3TH0

Squares and roots of 18489391092

• 18489391092 squared (18489391092²) is 341857582952928952464
• 18489391092 cubed (18489391092³) is 6320738548982535628996773050688
• The square root of 18489391092 is 135975.7003732653
• The cube root of 18489391092 is 2644.2805848343

Scales and comparisons

• 18,489,391,092 seconds is equal to 587 years, 47 weeks, 13 hours, 58 minutes, 12 seconds.
• To count from 1 to 18,489,391,092 would take you about one thousand, one hundred seventy-five 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 18489391092 cubic inches would be around 220.4 feet tall.

Recreational maths with 18489391092

• 18489391092 backwards is 29019398481
• The number of decimal digits it has is: 11
• The sum of 18489391092's digits is 54
• More coming soon!