12815504640
12,815,504,640 is an even composite number composed of five prime numbers multiplied together.
12815504640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 12815504640:
28 × 33 × 5 × 61 × 6079
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 61 × 6079)See below for interesting mathematical facts about the number 12815504640 from the Numbermatics database.
Names of 12815504640
- Cardinal: 12815504640 can be written as Twelve billion, eight hundred fifteen million, five hundred four thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.281550464 × 1010
Factors of 12815504640
Divisors of 12815504640
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 61 64 72 80 90 96 108 120 122 128 135 144 160 180 183 192 216 240 244 256 270 288 305 320 360 366 384 432 480 488 540 549 576 610 640 720 732 768 864 915 960 976 1080 1098 1152 1220 1280 1440 1464 1647 1728 1830 1920 1952 2160 2196 2304 2440 2745 2880 2928 3294 3456 3660 3840 3904 4320 4392 4880 5490 5760 5856 6079 6588 6912 7320 7808 8235 8640 8784 9760 10980 11520 11712 12158 13176 14640 15616 16470 17280 17568 18237 19520 21960 23424 24316 26352 29280 30395 32940 34560 35136 36474 39040 43920 46848 48632 52704 54711 58560 60790 65880 70272 72948 78080 87840 91185 97264 105408 109422 117120 121580 131760 140544 145896 164133 175680 182370 194528 210816 218844 234240 243160 263520 273555 291792 328266 351360 364740 370819 389056 421632 437688 486320 527040 547110 583584 656532 702720 729480 741638 778112 820665 875376 972640 1054080 1094220 1112457 1167168 1313064 1458960 1483276 1556224 1641330 1750752 1854095 1945280 2108160 2188440 2224914 2334336 2626128 2917920 2966552 3282660 3337371 3501504 3708190 3890560 4376880 4449828 4668672 5252256 5562285 5835840 5933104 6565320 6674742 7003008 7416380 7781120 8753760 8899656 10012113 10504512 11124570 11671680 11866208 13130640 13349484 14006016 14832760 16686855 17507520 17799312 20024226 21009024 22249140 23343360 23732416 26261280 26698968 29665520 33373710 35015040 35598624 40048452 42018048 44498280 47464832 50060565 52522560 53397936 59331040 66747420 70030080 71197248 80096904 88996560 94929664 100121130 105045120 106795872 118662080 133494840 142394496 160193808 177993120 200242260 210090240 213591744 237324160 266989680 284788992 320387616 355986240 400484520 427183488 474648320 533979360 640775232 711972480 800969040 854366976 1067958720 1281550464 1423944960 1601938080 2135917440 2563100928 3203876160 4271834880 6407752320 12815504640
- Sum of all divisors σ(n): 46230374400
- Sum of proper divisors (its aliquot sum) s(n): 33414869760
- 12815504640 is an abundant number, because the sum of its proper divisors (33414869760) is greater than itself. Its abundance is 20599365120
Bases of 12815504640
- Binary: 10111110111101110100010101000000002
- Hexadecimal: 0x2FBDD1500
- Base-36: 5VY0QO0
Squares and roots of 12815504640
- 12815504640 squared (128155046402) is 164237159177861529600
- 12815504640 cubed (128155046403) is 2104782075504303017866297344000
-
The
square root of 12815504640 is 113205.5857279137 -
The
cube root of 12815504640 is 2340.1583061867
Scales and comparisons
How big is 12815504640?- 12,815,504,640 seconds is equal to 407 years, 25 weeks, 4 days, 14 hours, 24 minutes.
-
To count from 1 to 12,815,504,640 would take you about eight hundred fourteen 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 12815504640 cubic inches would be around 195 feet tall.
Recreational maths with 12815504640
- 12815504640 backwards is 04640551821
- 12815504640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12815504640's digits is 36
- More coming soon!
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