18090068509772

Names of 18090068509772

• Cardinal: 18090068509772 can be written as Eighteen trillion, ninety billion, sixty-eight million, five hundred nine thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 1.8090068509772 × 10¹³

Factors of 18090068509772

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 403

Divisors of 18090068509772

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 14 28 47 49 94 98 188 196 329 347 658 694 1316 1388 2209 2303 2429 4418 4606 4858 8836 9212 9716 15463 16309 17003 30926 32618 34006 61852 65236 68012 108241 114163 120409 216482 228326 240818 432964 456652 481636 766523 799141 842863 1533046 1598282 1685726 3066092 3196564 3371452 5365661 5659223 5900041 10731322 11318446 11800082 21462644 22636892 23600164 37559627 39614561 41781923 75119254 79229122 83563846 150238508 158458244 167127692 265983481 277301927 292473461 531966962 554603854 584946922 1063933924 1109207708 1169893844 1861884367 1963750381 2047314227 3723768734 3927500762 4094628454 7447537468 7855001524 8189256908 13033190569 13746252667 26066381138 27492505334 52132762276 54985010668 92296267907 96223768669 184592535814 192447537338 369185071628 384895074676 646073875349 1292147750698 2584295501396 4522517127443 9045034254886 18090068509772
• Sum of all divisors σ(n): 37735165155240
• Sum of proper divisors (its aliquot sum) s(n): 19645096645468
• 18090068509772 is an abundant number, because the sum of its proper divisors (19645096645468) is greater than itself. Its abundance is 1555028135696

Bases of 18090068509772

• Binary: 100000111001111101100000110111000010001001100₂
• Hexadecimal: 0x1073EC1B844C
• Base-36: 6EUGNPVT8

Squares and roots of 18090068509772

• 18090068509772 squared (18090068509772²) is 327250578688244548859491984
• 18090068509772 cubed (18090068509772³) is 5919985388332876688561332597215859667648
• The square root of 18090068509772 is 4253242.1174642763
• The cube root of 18090068509772 is 26251.0535074191

Scales and comparisons

• 18,090,068,509,772 seconds is equal to 575,208 years, 11 weeks, 3 days, 22 hours, 29 minutes, 32 seconds.
• To count from 1 to 18,090,068,509,772 would take you about one million, four hundred thirty-eight thousand and twenty 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 18090068509772 cubic inches would be around 2187.6 feet tall.

Recreational maths with 18090068509772

• 18090068509772 backwards is 27790586009081
• The number of decimal digits it has is: 14
• The sum of 18090068509772's digits is 62
• More coming soon!