18144772542

Names of 18144772542

• Cardinal: 18144772542 can be written as Eighteen billion, one hundred forty-four million, seven hundred seventy-two thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 1.8144772542 × 10¹⁰

Factors of 18144772542

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19990

Divisors of 18144772542

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 23 26 39 46 69 78 117 138 169 207 234 299 338 414 507 598 897 1014 1521 1794 2197 2691 3042 3887 4394 5382 6591 7774 11661 13182 19773 19949 23322 34983 39546 39898 50531 59847 69966 101062 119694 151593 179541 259337 303186 359082 454779 458827 518674 778011 909558 917654 1376481 1556022 2334033 2752962 3371381 4129443 4668066 5964751 6742762 8258886 10114143 11929502 17894253 20228286 30342429 35788506 43827953 53682759 60684858 77541763 87655906 107365518 131483859 155083526 232625289 262967718 394451577 465250578 697875867 788903154 1008042919 1395751734 2016085838 3024128757 6048257514 9072386271 18144772542
• Sum of all divisors σ(n): 44442216000
• Sum of proper divisors (its aliquot sum) s(n): 26297443458
• 18144772542 is an abundant number, because the sum of its proper divisors (26297443458) is greater than itself. Its abundance is 8152670916

Bases of 18144772542

• Binary: 10000111001100000110100000110111110₂
• Hexadecimal: 0x4398341BE
• Base-36: 8C2XG3I

Squares and roots of 18144772542

• 18144772542 squared (18144772542²) is 329232770600917141764
• 18144772542 cubed (18144772542³) is 5973853735926106193896548644088
• The square root of 18144772542 is 134702.5335396481
• The cube root of 18144772542 is 2627.7487779633

Scales and comparisons

• 18,144,772,542 seconds is equal to 576 years, 49 weeks, 1 day, 22 hours, 35 minutes, 42 seconds.
• To count from 1 to 18,144,772,542 would take you about one thousand, one hundred fifty-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 18144772542 cubic inches would be around 219 feet tall.

Recreational maths with 18144772542

• 18144772542 backwards is 24527744181
• The number of decimal digits it has is: 11
• The sum of 18144772542's digits is 45
• More coming soon!