18018301730
18,018,301,730 is an even composite number composed of seven prime numbers multiplied together.
18018301730 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 18018301730:
2 × 5 × 11 × 132 × 19 × 139 × 367
(2 × 5 × 11 × 13 × 13 × 19 × 139 × 367)See below for interesting mathematical facts about the number 18018301730 from the Numbermatics database.
Names of 18018301730
- Cardinal: 18018301730 can be written as Eighteen billion, eighteen million, three hundred one thousand, seven hundred thirty.
Scientific notation
- Scientific notation: 1.801830173 × 1010
Factors of 18018301730
Divisors of 18018301730
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 5 10 11 13 19 22 26 38 55 65 95 110 130 139 143 169 190 209 247 278 286 338 367 418 494 695 715 734 845 1045 1235 1390 1430 1529 1690 1807 1835 1859 2090 2470 2641 2717 3058 3211 3614 3670 3718 4037 4771 5282 5434 6422 6973 7645 8074 9035 9295 9542 13205 13585 13946 15290 16055 18070 18590 19877 20185 23491 23855 26410 27170 29051 32110 34333 34865 35321 39754 40370 46982 47710 51013 52481 58102 62023 68666 69730 70642 76703 90649 99385 102026 104962 117455 124046 145255 153406 171665 176605 181298 198770 234910 255065 258401 262405 290510 310115 343330 353210 377663 383515 446329 453245 510130 516802 524810 561143 620230 663169 682253 755326 767030 892658 906490 969247 997139 1122286 1178437 1292005 1326338 1364506 1888315 1938494 1994278 2231645 2356874 2584010 2805715 3315845 3411265 3776630 4463290 4846235 4909619 4985695 5611430 5892185 6631690 6822530 7294859 8621197 9692470 9819238 9971390 10661717 11784370 12600211 12962807 14589718 17242394 21323434 24548095 25200422 25925614 36474295 43105985 49096190 53308585 63001055 64814035 72948590 86211970 94833167 106617170 126002110 129628070 138602321 163802743 189666334 277204642 327605486 474165835 693011605 819013715 948331670 1386023210 1638027430 1801830173 3603660346 9009150865 18018301730
- Sum of all divisors σ(n): 40729651200
- Sum of proper divisors (its aliquot sum) s(n): 22711349470
- 18018301730 is an abundant number, because the sum of its proper divisors (22711349470) is greater than itself. Its abundance is 4693047740
Bases of 18018301730
- Binary: 100001100011111100101110111001000102
- Hexadecimal: 0x431F97722
- Base-36: 89ZMQLE
Squares and roots of 18018301730
- 18018301730 squared (180183017302) is 324659197233320992900
- 18018301730 cubed (180183017303) is 5849807375169558860015387717000
-
The
square root of 18018301730 is 134232.2678419761 -
The
cube root of 18018301730 is 2621.6293174411
Scales and comparisons
How big is 18018301730?- 18,018,301,730 seconds is equal to 572 years, 48 weeks, 1 day, 3 hours, 48 minutes, 50 seconds.
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To count from 1 to 18,018,301,730 would take you about one thousand, one hundred forty-five 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 18018301730 cubic inches would be around 218.5 feet tall.
Recreational maths with 18018301730
- 18018301730 backwards is 03710381081
- The number of decimal digits it has is: 11
- The sum of 18018301730's digits is 32
- More coming soon!
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