18538328900

Names of 18538328900

• Cardinal: 18538328900 can be written as Eighteen billion, five hundred thirty-eight million, three hundred twenty-eight thousand, nine hundred.

Scientific notation

• Scientific notation: 1.85383289 × 10¹⁰

Factors of 18538328900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3901

Divisors of 18538328900

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 23 25 26 28 35 46 50 52 65 70 91 92 100 115 130 140 161 175 182 230 260 299 322 325 350 364 455 460 529 575 598 644 650 700 805 910 1058 1150 1196 1300 1495 1610 1820 2093 2116 2275 2300 2645 2990 3220 3703 3851 4025 4186 4550 5290 5980 6877 7406 7475 7702 8050 8372 9100 10465 10580 13225 13754 14812 14950 15404 16100 18515 19255 20930 26450 26957 27508 29900 34385 37030 38510 41860 48139 50063 52325 52900 53914 68770 74060 77020 88573 92575 96275 96278 100126 104650 107828 134785 137540 171925 177146 185150 192550 192556 200252 209300 240695 250315 269570 343850 350441 354292 370300 385100 442865 481390 500630 539140 620011 673925 687700 700882 885730 962780 1001260 1151449 1203475 1240022 1251575 1347850 1401764 1752205 1771460 2037179 2214325 2302898 2406950 2480044 2503150 2695700 3100055 3504410 4074358 4428650 4605796 4813900 5006300 5757245 6200110 7008820 8060143 8148716 8761025 8857300 10185895 11514490 12400220 14260253 15500275 16120286 17522050 20371790 23028980 26483327 28520506 28786225 31000550 32240572 35044100 40300715 40743580 50929475 52966654 57041012 57572450 62001100 71301265 80601430 101858950 105933308 115144900 132416635 142602530 161202860 185383289 201503575 203717900 264833270 285205060 356506325 370766578 403007150 529666540 662083175 713012650 741533156 806014300 926916445 1324166350 1426025300 1853832890 2648332700 3707665780 4634582225 9269164450 18538328900
• Sum of all divisors σ(n): 51771311424
• Sum of proper divisors (its aliquot sum) s(n): 33232982524
• 18538328900 is an abundant number, because the sum of its proper divisors (33232982524) is greater than itself. Its abundance is 14694653624

Bases of 18538328900

• Binary: 10001010000111110000111001101000100₂
• Hexadecimal: 0x450F87344
• Base-36: 8IL8Q4K

Squares and roots of 18538328900

• 18538328900 squared (18538328900²) is 343669638404575210000
• 18538328900 cubed (18538328900³) is 6371060789688086507766569000000
• The square root of 18538328900 is 136155.5320212879
• The cube root of 18538328900 is 2646.6114943509

Scales and comparisons

• 18,538,328,900 seconds is equal to 589 years, 23 weeks, 6 days, 23 hours, 48 minutes, 20 seconds.
• To count from 1 to 18,538,328,900 would take you about one thousand, one hundred seventy-eight 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 18538328900 cubic inches would be around 220.6 feet tall.

Recreational maths with 18538328900

• 18538328900 backwards is 00982383581
• The number of decimal digits it has is: 11
• The sum of 18538328900's digits is 47
• More coming soon!