18123319080

Names of 18123319080

• Cardinal: 18123319080 can be written as Eighteen billion, one hundred twenty-three million, three hundred nineteen thousand and eighty.

Scientific notation

• Scientific notation: 1.812331908 × 10¹⁰

Factors of 18123319080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 7683

Divisors of 18123319080

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 360 405 486 540 648 729 810 972 1080 1215 1458 1620 1944 2187 2430 2916 3240 3645 4374 4860 5832 6561 7290 7673 8748 9720 10935 13122 14580 15346 17496 19683 21870 23019 26244 29160 30692 32805 38365 39366 43740 46038 52488 59049 61384 65610 69057 76730 78732 87480 92076 98415 115095 118098 131220 138114 153460 157464 184152 196830 207171 230190 236196 262440 276228 295245 306920 345285 393660 414342 460380 472392 552456 590490 621513 690570 787320 828684 920760 1035855 1180980 1243026 1381140 1657368 1864539 2071710 2361960 2486052 2762280 3107565 3729078 4143420 4972104 5593617 6215130 7458156 8286840 9322695 11187234 12430260 14916312 16780851 18645390 22374468 24860520 27968085 33561702 37290780 44748936 50342553 55936170 67123404 74581560 83904255 100685106 111872340 134246808 151027659 167808510 201370212 223744680 251712765 302055318 335617020 402740424 453082977 503425530 604110636 671234040 755138295 906165954 1006851060 1208221272 1510276590 1812331908 2013702120 2265414885 3020553180 3624663816 4530829770 6041106360 9061659540 18123319080
• Sum of all divisors σ(n): 61173828180
• Sum of proper divisors (its aliquot sum) s(n): 43050509100
• 18123319080 is an abundant number, because the sum of its proper divisors (43050509100) is greater than itself. Its abundance is 24927190020

Bases of 18123319080

• Binary: 10000111000001110111110011100101000₂
• Hexadecimal: 0x4383BE728
• Base-36: 8BQ5MI0

Squares and roots of 18123319080

• 18123319080 squared (18123319080²) is 328454694475492046400
• 18123319080 cubed (18123319080³) is 5952689231303255596909365312000
• The square root of 18123319080 is 134622.8772534595
• The cube root of 18123319080 is 2626.7127304173

Scales and comparisons

• 18,123,319,080 seconds is equal to 576 years, 13 weeks, 5 days, 15 hours, 18 minutes.
• To count from 1 to 18,123,319,080 would take you about one thousand, one hundred fifty-two 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 18123319080 cubic inches would be around 218.9 feet tall.

Recreational maths with 18123319080

• 18123319080 backwards is 08091332181
• 18123319080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18123319080's digits is 36
• More coming soon!