135438660
135,438,660 is an even composite number composed of six prime numbers multiplied together.
135438660 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 135438660:
22 × 32 × 5 × 7 × 17 × 6323
(2 × 2 × 3 × 3 × 5 × 7 × 17 × 6323)See below for interesting mathematical facts about the number 135438660 from the Numbermatics database.
Names of 135438660
- Cardinal: 135438660 can be written as One hundred thirty-five million, four hundred thirty-eight thousand, six hundred sixty.
Scientific notation
- Scientific notation: 1.3543866 × 108
Factors of 135438660
Divisors of 135438660
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 28 30 34 35 36 42 45 51 60 63 68 70 84 85 90 102 105 119 126 140 153 170 180 204 210 238 252 255 306 315 340 357 420 476 510 595 612 630 714 765 1020 1071 1190 1260 1428 1530 1785 2142 2380 3060 3570 4284 5355 6323 7140 10710 12646 18969 21420 25292 31615 37938 44261 56907 63230 75876 88522 94845 107491 113814 126460 132783 177044 189690 214982 221305 227628 265566 284535 322473 379380 398349 429964 442610 531132 537455 569070 644946 663915 752437 796698 885220 967419 1074910 1138140 1289892 1327830 1504874 1593396 1612365 1934838 1991745 2149820 2257311 2655660 3009748 3224730 3762185 3869676 3983490 4514622 4837095 6449460 6771933 7524370 7966980 9029244 9674190 11286555 13543866 15048740 19348380 22573110 27087732 33859665 45146220 67719330 135438660
- Sum of all divisors σ(n): 497218176
- Sum of proper divisors (its aliquot sum) s(n): 361779516
- 135438660 is an abundant number, because the sum of its proper divisors (361779516) is greater than itself. Its abundance is 226340856
Bases of 135438660
- Binary: 10000001001010100001010001002
- Hexadecimal: 0x812A144
- Base-36: 28MX50
Squares and roots of 135438660
- 135438660 squared (1354386602) is 18343630622595600
- 135438660 cubed (1354386603) is 2484436751059313785896000
-
The
square root of 135438660 is 11637.8116499623 -
The
cube root of 135438660 is 513.5478114643
Scales and comparisons
How big is 135438660?- 135,438,660 seconds is equal to 4 years, 15 weeks, 6 days, 13 hours, 51 minutes.
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To count from 1 to 135,438,660 would take you about six 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 135438660 cubic inches would be around 42.8 feet tall.
Recreational maths with 135438660
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