18029431008

Names of 18029431008

• Cardinal: 18029431008 can be written as Eighteen billion, twenty-nine million, four hundred thirty-one thousand and eight.

Scientific notation

• Scientific notation: 1.8029431008 × 10¹⁰

Factors of 18029431008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 389

Divisors of 18029431008

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 71 72 81 96 108 142 144 162 213 216 284 288 313 324 426 432 568 626 639 648 852 864 939 1136 1252 1278 1296 1704 1878 1917 2272 2504 2556 2592 2817 3408 3756 3834 5008 5112 5634 5751 6816 7512 7668 8451 10016 10224 11268 11502 15024 15336 16902 20448 22223 22536 23004 25353 30048 30672 33804 44446 45072 46008 50706 61344 66669 67608 88892 90144 92016 97969 101412 133338 135216 177784 184032 195938 200007 202824 266676 270432 293907 355568 391876 400014 405648 533352 587814 600021 711136 783752 800028 811296 881721 1066704 1175628 1200042 1567504 1600056 1763442 1800063 2133408 2351256 2400084 2645163 3135008 3200112 3526884 3600126 4702512 4800168 5290326 6400224 6955799 7053768 7200252 7935489 9405024 9600336 10580652 13911598 14107536 14400504 15870978 19200672 20867397 21161304 27823196 28215072 28801008 31741956 41734794 42322608 55646392 57602016 62602191 63483912 83469588 84645216 111292784 125204382 126967824 166939176 187806573 222585568 250408764 253935648 333878352 375613146 500817528 563419719 667756704 751226292 1001635056 1126839438 1502452584 2003270112 2253678876 3004905168 4507357752 6009810336 9014715504 18029431008
• Sum of all divisors σ(n): 53943214248
• Sum of proper divisors (its aliquot sum) s(n): 35913783240
• 18029431008 is an abundant number, because the sum of its proper divisors (35913783240) is greater than itself. Its abundance is 17884352232

Bases of 18029431008

• Binary: 10000110010101000110100100011100000₂
• Hexadecimal: 0x432A348E0
• Base-36: 8A69A00

Squares and roots of 18029431008

• 18029431008 squared (18029431008²) is 325060382472231896064
• 18029431008 cubed (18029431008³) is 5860653739217197445862914752512
• The square root of 18029431008 is 134273.7167430767
• The cube root of 18029431008 is 2622.1689694165

Scales and comparisons

• 18,029,431,008 seconds is equal to 573 years, 14 weeks, 3 days, 23 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,029,431,008 would take you about one thousand, one hundred forty-six 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 18029431008 cubic inches would be around 218.5 feet tall.

Recreational maths with 18029431008

• 18029431008 backwards is 80013492081
• 18029431008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18029431008's digits is 36
• More coming soon!