18145636470

Names of 18145636470

• Cardinal: 18145636470 can be written as Eighteen billion, one hundred forty-five million, six hundred thirty-six thousand, four hundred seventy.

Scientific notation

• Scientific notation: 1.814563647 × 10¹⁰

Factors of 18145636470

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1297

Divisors of 18145636470

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 169 195 234 270 338 351 390 507 547 585 702 727 845 1014 1094 1170 1454 1521 1641 1690 1755 2181 2535 2735 3042 3282 3510 3635 4362 4563 4923 5070 5470 6543 7111 7270 7605 8205 9126 9451 9846 10905 13086 14222 14769 15210 16410 18902 19629 21333 21810 22815 24615 28353 29538 32715 35555 39258 42666 45630 47255 49230 56706 63999 65430 71110 73845 85059 92443 94510 98145 106665 122863 127998 141765 147690 170118 184886 191997 196290 213330 245726 255177 277329 283530 319995 368589 383994 397669 425295 462215 510354 554658 614315 639990 737178 795338 831987 850590 924430 959985 1105767 1193007 1228630 1275885 1386645 1663974 1842945 1919970 1988345 2211534 2386014 2495961 2551770 2773290 3317301 3579021 3685890 3976690 4159935 4991922 5169697 5528835 5965035 6634602 7158042 8319870 10339394 10737063 11057670 11930070 12479805 15509091 16586505 17895105 21474126 24959610 25848485 31018182 33173010 35790210 46527273 51696970 53685315 67206061 77545455 93054546 107370630 134412122 139581819 155090910 201618183 232636365 279163638 336030305 403236366 465272730 604854549 672060610 697909095 1008090915 1209709098 1395818190 1814563647 2016181830 3024272745 3629127294 6048545490 9072818235 18145636470
• Sum of all divisors σ(n): 52564861440
• Sum of proper divisors (its aliquot sum) s(n): 34419224970
• 18145636470 is an abundant number, because the sum of its proper divisors (34419224970) is greater than itself. Its abundance is 16273588500

Bases of 18145636470

• Binary: 10000111001100100000111000001110110₂
• Hexadecimal: 0x439907076
• Base-36: 8C3FYPI

Squares and roots of 18145636470

• 18145636470 squared (18145636470²) is 329264122901394060900
• 18145636470 cubed (18145636470³) is 5974707076782098285308441023000
• The square root of 18145636470 is 134705.7403008499
• The cube root of 18145636470 is 2627.7904823481

Scales and comparisons

• 18,145,636,470 seconds is equal to 576 years, 50 weeks, 4 days, 22 hours, 34 minutes, 30 seconds.
• To count from 1 to 18,145,636,470 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 18145636470 cubic inches would be around 219 feet tall.

Recreational maths with 18145636470

• 18145636470 backwards is 07463654181
• 18145636470 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18145636470's digits is 45
• More coming soon!