18439309980
18,439,309,980 is an even composite number composed of six prime numbers multiplied together.
18439309980 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 18439309980:
22 × 32 × 5 × 7 × 13 × 10612
(2 × 2 × 3 × 3 × 5 × 7 × 13 × 1061 × 1061)See below for interesting mathematical facts about the number 18439309980 from the Numbermatics database.
Names of 18439309980
- Cardinal: 18439309980 can be written as Eighteen billion, four hundred thirty-nine million, three hundred nine thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 1.843930998 × 1010
Factors of 18439309980
Divisors of 18439309980
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 60 63 65 70 78 84 90 91 105 117 126 130 140 156 180 182 195 210 234 252 260 273 315 364 390 420 455 468 546 585 630 780 819 910 1061 1092 1170 1260 1365 1638 1820 2122 2340 2730 3183 3276 4095 4244 5305 5460 6366 7427 8190 9549 10610 12732 13793 14854 15915 16380 19098 21220 22281 27586 29708 31830 37135 38196 41379 44562 47745 55172 63660 66843 68965 74270 82758 89124 95490 96551 111405 124137 133686 137930 148540 165516 190980 193102 206895 222810 248274 267372 275860 289653 334215 386204 413790 445620 482755 496548 579306 620685 668430 827580 868959 965510 1125721 1158612 1241370 1336860 1448265 1737918 1931020 2251442 2482740 2896530 3377163 3475836 4344795 4502884 5628605 5793060 6754326 7880047 8689590 10131489 11257210 13508652 14634373 15760094 16885815 17379180 20262978 22514420 23640141 29268746 31520188 33771630 39400235 40525956 43903119 47280282 50657445 58537492 67543260 70920423 73171865 78800470 87806238 94560564 101314890 102440611 118200705 131709357 141840846 146343730 157600940 175612476 202629780 204881222 219515595 236401410 263418714 283681692 292687460 307321833 354602115 409762444 439031190 472802820 512203055 526837428 614643666 658546785 709204230 878062380 921965499 1024406110 1229287332 1317093570 1418408460 1536609165 1843930998 2048812220 2634187140 3073218330 3687861996 4609827495 6146436660 9219654990 18439309980
- Sum of all divisors σ(n): 68905034016
- Sum of proper divisors (its aliquot sum) s(n): 50465724036
- 18439309980 is an abundant number, because the sum of its proper divisors (50465724036) is greater than itself. Its abundance is 32026414056
Bases of 18439309980
- Binary: 100010010110001000110001010100111002
- Hexadecimal: 0x44B118A9C
- Base-36: 8GYAEN0
Squares and roots of 18439309980
- 18439309980 squared (184393099802) is 340008152538527600400
- 18439309980 cubed (184393099803) is 6269515720385034316561171992000
-
The
square root of 18439309980 is 135791.4208630281 -
The
cube root of 18439309980 is 2641.8909575649
Scales and comparisons
How big is 18439309980?- 18,439,309,980 seconds is equal to 586 years, 16 weeks, 1 day, 22 hours, 33 minutes.
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To count from 1 to 18,439,309,980 would take you about one thousand, one hundred seventy-two 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 18439309980 cubic inches would be around 220.2 feet tall.
Recreational maths with 18439309980
- 18439309980 backwards is 08990393481
- The number of decimal digits it has is: 11
- The sum of 18439309980's digits is 54
- More coming soon!
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