18268860720

Names of 18268860720

• Cardinal: 18268860720 can be written as Eighteen billion, two hundred sixty-eight million, eight hundred sixty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.826886072 × 10¹⁰

Factors of 18268860720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10395

Divisors of 18268860720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 61 66 80 88 110 120 121 122 132 165 176 183 220 240 242 244 264 305 330 363 366 440 484 488 528 605 610 660 671 726 732 880 915 968 976 1210 1220 1320 1342 1452 1464 1815 1830 1936 2013 2420 2440 2640 2684 2904 2928 3355 3630 3660 4026 4840 4880 5368 5808 6710 7260 7320 7381 8052 9680 10065 10313 10736 13420 14520 14640 14762 16104 20130 20626 22143 26840 29040 29524 30939 32208 36905 40260 41252 44286 51565 53680 59048 61878 73810 80520 82504 88572 103130 110715 113443 118096 123756 147620 154695 161040 165008 177144 206260 221430 226886 247512 295240 309390 340329 354288 412520 442860 453772 495024 567215 590480 618780 629093 680658 825040 885720 907544 1134430 1237560 1247873 1258186 1361316 1701645 1771440 1815088 1887279 2268860 2475120 2495746 2516372 2722632 3145465 3403290 3743619 3774558 4537720 4991492 5032744 5445264 6239365 6290930 6806580 6920023 7487238 7549116 9075440 9436395 9982984 10065488 12478730 12581860 13613160 13840046 14974476 15098232 18718095 18872790 19965968 20760069 24957460 25163720 27226320 27680092 29948952 30196464 34600115 37436190 37745580 41520138 49914920 50327440 55360184 59897904 69200230 74872380 75491160 76120253 83040276 99829840 103800345 110720368 138400460 149744760 150982320 152240506 166080552 207600690 228360759 276800920 299489520 304481012 332161104 380601265 415201380 456721518 553601840 608962024 761202530 830402760 913443036 1141803795 1217924048 1522405060 1660805520 1826886072 2283607590 3044810120 3653772144 4567215180 6089620240 9134430360 18268860720
• Sum of all divisors σ(n): 63276637536
• Sum of proper divisors (its aliquot sum) s(n): 45007776816
• 18268860720 is an abundant number, because the sum of its proper divisors (45007776816) is greater than itself. Its abundance is 26738916096

Bases of 18268860720

• Binary: 10001000000111010001011000100110000₂
• Hexadecimal: 0x440E8B130
• Base-36: 8E4T35C

Squares and roots of 18268860720

• 18268860720 squared (18268860720²) is 333751272006758918400
• 18268860720 cubed (18268860720³) is 6097255503414313578867445248000
• The square root of 18268860720 is 135162.3494912693
• The cube root of 18268860720 is 2633.7253763725

Scales and comparisons

• 18,268,860,720 seconds is equal to 580 years, 46 weeks, 3 days, 3 hours, 32 minutes.
• To count from 1 to 18,268,860,720 would take you about one thousand, one hundred sixty-one 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 18268860720 cubic inches would be around 219.5 feet tall.

Recreational maths with 18268860720

• 18268860720 backwards is 02706886281
• 18268860720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18268860720's digits is 48
• More coming soon!