18380345880

Names of 18380345880

• Cardinal: 18380345880 can be written as Eighteen billion, three hundred eighty million, three hundred forty-five thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.838034588 × 10¹⁰

Factors of 18380345880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1766

Divisors of 18380345880

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 73 78 103 104 120 130 146 156 195 206 219 260 292 309 312 365 390 412 438 515 520 584 618 730 780 824 876 949 1030 1095 1236 1339 1460 1545 1560 1567 1752 1898 2060 2190 2472 2678 2847 2920 3090 3134 3796 4017 4120 4380 4701 4745 5356 5694 6180 6268 6695 7519 7592 7835 8034 8760 9402 9490 10712 11388 12360 12536 13390 14235 15038 15670 16068 18804 18980 20085 20371 22557 22776 23505 26780 28470 30076 31340 32136 37595 37608 37960 40170 40742 45114 47010 53560 56940 60152 61113 62680 75190 80340 81484 90228 94020 97747 101855 112785 113880 114391 122226 150380 160680 161401 162968 180456 188040 195494 203710 225570 228782 244452 293241 300760 305565 322802 343173 390988 407420 451140 457564 484203 488735 488904 571955 586482 611130 645604 686346 781976 807005 814840 902280 915128 968406 977470 1143910 1172964 1222260 1291208 1372692 1466205 1487083 1614010 1715865 1936812 1954940 2098213 2287820 2345928 2421015 2444520 2745384 2932410 2974166 3228020 3431730 3873624 3909880 4196426 4461249 4575640 4842030 5864820 5948332 6294639 6456040 6863460 7435415 8392852 8922498 9684060 10491065 11729640 11782273 11896664 12589278 13726920 14870830 16785704 17844996 19368120 20982130 22306245 23564546 25178556 29741660 31473195 35346819 35689992 41964260 44612490 47129092 50357112 58911365 59483320 62946390 70693638 83928520 89224980 94258184 117822730 125892780 141387276 153169549 176734095 178449960 235645460 251785560 282774552 306339098 353468190 459508647 471290920 612678196 706936380 765847745 919017294 1225356392 1413872760 1531695490 1838034588 2297543235 3063390980 3676069176 4595086470 6126781960 9190172940 18380345880
• Sum of all divisors σ(n): 60819333120
• Sum of proper divisors (its aliquot sum) s(n): 42438987240
• 18380345880 is an abundant number, because the sum of its proper divisors (42438987240) is greater than itself. Its abundance is 24058641360

Bases of 18380345880

• Binary: 10001000111100011011101001000011000₂
• Hexadecimal: 0x4478DD218
• Base-36: 8FZ6LNC

Squares and roots of 18380345880

• 18380345880 squared (18380345880²) is 337837114668432974400
• 18380345880 cubed (18380345880³) is 6209563018707019587069185472000
• The square root of 18380345880 is 135574.1342587147
• The cube root of 18380345880 is 2639.0719246977

Scales and comparisons

• 18,380,345,880 seconds is equal to 584 years, 22 weeks, 5 days, 11 hours, 38 minutes.
• To count from 1 to 18,380,345,880 would take you about one thousand, one hundred sixty-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 18380345880 cubic inches would be around 219.9 feet tall.

Recreational maths with 18380345880

• 18380345880 backwards is 08854308381
• The number of decimal digits it has is: 11
• The sum of 18380345880's digits is 48
• More coming soon!