138529815840
138,529,815,840 is an even composite number composed of five prime numbers multiplied together.
138529815840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138529815840:
25 × 34 × 5 × 13 × 822233
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 13 × 822233)See below for interesting mathematical facts about the number 138529815840 from the Numbermatics database.
Names of 138529815840
- Cardinal: 138529815840 can be written as One hundred thirty-eight billion, five hundred twenty-nine million, eight hundred fifteen thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.3852981584 × 1011
Factors of 138529815840
Divisors of 138529815840
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 81 90 96 104 108 117 120 130 135 144 156 160 162 180 195 208 216 234 240 260 270 288 312 324 351 360 390 405 416 432 468 480 520 540 585 624 648 702 720 780 810 864 936 1040 1053 1080 1170 1248 1296 1404 1440 1560 1620 1755 1872 2080 2106 2160 2340 2592 2808 3120 3240 3510 3744 4212 4320 4680 5265 5616 6240 6480 7020 8424 9360 10530 11232 12960 14040 16848 18720 21060 28080 33696 42120 56160 84240 168480 822233 1644466 2466699 3288932 4111165 4933398 6577864 7400097 8222330 9866796 10689029 12333495 13155728 14800194 16444660 19733592 21378058 22200291 24666990 26311456 29600388 32067087 32889320 37000485 39467184 42756116 44400582 49333980 53445145 59200776 64134174 65778640 66600873 74000970 78934368 85512232 88801164 96201261 98667960 106890290 111001455 118401552 128268348 131557280 133201746 148001940 160335435 171024464 177602328 192402522 197335920 213780580 222002910 236803104 256536696 266403492 288603783 296003880 320670870 333004365 342048928 355204656 384805044 394671840 427561160 444005820 481006305 513073392 532806984 577207566 592007760 641341740 666008730 710409312 769610088 855122320 865811349 888011640 962012610 1026146784 1065613968 1154415132 1184015520 1282683480 1332017460 1443018915 1539220176 1710244640 1731622698 1776023280 1924025220 2131227936 2308830264 2565366960 2664034920 2886037830 3078440352 3463245396 3552046560 3848050440 4329056745 4617660528 5130733920 5328069840 5772075660 6926490792 7696100880 8658113490 9235321056 10656139680 11544151320 13852981584 15392201760 17316226980 23088302640 27705963168 34632453960 46176605280 69264907920 138529815840
- Sum of all divisors σ(n): 526502741688
- Sum of proper divisors (its aliquot sum) s(n): 387972925848
- 138529815840 is an abundant number, because the sum of its proper divisors (387972925848) is greater than itself. Its abundance is 249443110008
Bases of 138529815840
- Binary: 100000010000010000010100111101001000002
- Hexadecimal: 0x2041053D20
- Base-36: 1RN12Q00
Squares and roots of 138529815840
- 138529815840 squared (1385298158402) is 19190509876664314905600
- 138529815840 cubed (1385298158403) is 2658457799090008657372534984704000
-
The
square root of 138529815840 is 372195.9374308107 -
The
cube root of 138529815840 is 5174.2540979131
Scales and comparisons
How big is 138529815840?- 138,529,815,840 seconds is equal to 4,404 years, 42 weeks, 4 days, 8 hours, 24 minutes.
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To count from 1 to 138,529,815,840 would take you about eight thousand, eight hundred nine 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 138529815840 cubic inches would be around 431.2 feet tall.
Recreational maths with 138529815840
- 138529815840 backwards is 048518925831
- 138529815840 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138529815840's digits is 54
- More coming soon!
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