19138140
19,138,140 is an even composite number composed of six prime numbers multiplied together.
19138140 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 19138140:
22 × 33 × 5 × 7 × 61 × 83
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 61 × 83)See below for interesting mathematical facts about the number 19138140 from the Numbermatics database.
Names of 19138140
- Cardinal: 19138140 can be written as Nineteen million, one hundred thirty-eight thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.913814 × 107
Factors of 19138140
Divisors of 19138140
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 61 63 70 83 84 90 105 108 122 126 135 140 166 180 183 189 210 244 249 252 270 305 315 332 366 378 415 420 427 498 540 549 581 610 630 732 747 756 830 854 915 945 996 1098 1162 1220 1245 1260 1281 1494 1647 1660 1708 1743 1830 1890 2135 2196 2241 2324 2490 2562 2745 2905 2988 3294 3486 3660 3735 3780 3843 4270 4482 4980 5063 5124 5229 5490 5810 6405 6588 6972 7470 7686 8235 8540 8715 8964 10126 10458 10980 11205 11529 11620 12810 14940 15189 15372 15687 16470 17430 19215 20252 20916 22410 23058 25315 25620 26145 30378 31374 32940 34860 35441 38430 44820 45567 46116 50630 52290 57645 60756 62748 70882 75945 76860 78435 91134 101260 104580 106323 115290 136701 141764 151890 156870 177205 182268 212646 227835 230580 273402 303780 313740 318969 354410 425292 455670 531615 546804 637938 683505 708820 911340 956907 1063230 1275876 1367010 1594845 1913814 2126460 2734020 3189690 3827628 4784535 6379380 9569070 19138140
- Sum of all divisors σ(n): 69995520
- Sum of proper divisors (its aliquot sum) s(n): 50857380
- 19138140 is an abundant number, because the sum of its proper divisors (50857380) is greater than itself. Its abundance is 31719240
Bases of 19138140
- Binary: 10010010000000110010111002
- Hexadecimal: 0x124065C
- Base-36: BE730
Squares and roots of 19138140
- 19138140 squared (191381402) is 366268402659600
- 19138140 cubed (191381403) is 7009695967675797144000
-
The
square root of 19138140 is 4374.7159907813 -
The
cube root of 19138140 is 267.4852933947
Scales and comparisons
How big is 19138140?- 19,138,140 seconds is equal to 31 weeks, 4 days, 12 hours, 9 minutes.
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To count from 1 to 19,138,140 would take you about forty-seven weeks!
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 19138140 cubic inches would be around 22.3 feet tall.
Recreational maths with 19138140
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