18289403080

Names of 18289403080

• Cardinal: 18289403080 can be written as Eighteen billion, two hundred eighty-nine million, four hundred three thousand and eighty.

Scientific notation

• Scientific notation: 1.828940308 × 10¹⁰

Factors of 18289403080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2707

Divisors of 18289403080

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 17 20 26 34 40 52 61 65 68 85 104 122 130 136 169 170 221 244 260 305 338 340 442 488 520 610 676 680 793 845 884 1037 1105 1220 1352 1586 1690 1768 2074 2210 2440 2609 2873 3172 3380 3965 4148 4420 5185 5218 5746 6344 6760 7930 8296 8840 10309 10370 10436 11492 13045 13481 14365 15860 20618 20740 20872 22984 26090 26962 28730 31720 33917 41236 41480 44353 51545 52180 53924 57460 67405 67834 82472 88706 103090 104360 107848 114920 134810 135668 159149 169585 175253 177412 206180 221765 269620 271336 318298 339170 350506 354824 412360 440921 443530 539240 576589 636596 678340 701012 795745 876265 881842 887060 1153178 1273192 1356680 1402024 1591490 1752530 1763684 1774120 2068937 2204605 2306356 2705533 2882945 3182980 3505060 3527368 4137874 4409210 4612712 5411066 5765890 6365960 7010120 7495657 8275748 8818420 10344685 10822132 11531780 13527665 14991314 16551496 17636840 20689370 21644264 23063560 26896181 27055330 29982628 35171929 37478285 41378740 53792362 54110660 59965256 70343858 74956570 82757480 107584724 108221320 134480905 140687716 149913140 175859645 215169448 268961810 281375432 299826280 351719290 457235077 537923620 703438580 914470154 1075847240 1406877160 1828940308 2286175385 3657880616 4572350770 9144701540 18289403080
• Sum of all divisors σ(n): 47973157200
• Sum of proper divisors (its aliquot sum) s(n): 29683754120
• 18289403080 is an abundant number, because the sum of its proper divisors (29683754120) is greater than itself. Its abundance is 11394351040

Bases of 18289403080

• Binary: 10001000010001000100010010011001000₂
• Hexadecimal: 0x4422224C8
• Base-36: 8EH1DQG

Squares and roots of 18289403080

• 18289403080 squared (18289403080²) is 334502265022713486400
• 18289403080 cubed (18289403080³) is 6117846756173392308121698112000
• The square root of 18289403080 is 135238.3195695657
• The cube root of 18289403080 is 2634.7121678623

Scales and comparisons

• 18,289,403,080 seconds is equal to 581 years, 28 weeks, 2 days, 21 hours, 44 minutes, 40 seconds.
• To count from 1 to 18,289,403,080 would take you about one thousand, one hundred sixty-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 18289403080 cubic inches would be around 219.6 feet tall.

Recreational maths with 18289403080

• 18289403080 backwards is 08030498281
• The number of decimal digits it has is: 11
• The sum of 18289403080's digits is 43
• More coming soon!