128120728320
128,120,728,320 is an even composite number composed of six prime numbers multiplied together.
128120728320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 128120728320:
28 × 33 × 5 × 13 × 31 × 9199
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 13 × 31 × 9199)See below for interesting mathematical facts about the number 128120728320 from the Numbermatics database.
Names of 128120728320
- Cardinal: 128120728320 can be written as One hundred twenty-eight billion, one hundred twenty million, seven hundred twenty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 1.2812072832 × 1011
Factors of 128120728320
Divisors of 128120728320
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 31 32 36 39 40 45 48 52 54 60 62 64 65 72 78 80 90 93 96 104 108 117 120 124 128 130 135 144 155 156 160 180 186 192 195 208 216 234 240 248 256 260 270 279 288 310 312 320 351 360 372 384 390 403 416 432 465 468 480 496 520 540 558 576 585 620 624 640 702 720 744 768 780 806 832 837 864 930 936 960 992 1040 1080 1116 1152 1170 1209 1240 1248 1280 1395 1404 1440 1488 1560 1612 1664 1674 1728 1755 1860 1872 1920 1984 2015 2080 2160 2232 2304 2340 2418 2480 2496 2790 2808 2880 2976 3120 3224 3328 3348 3456 3510 3627 3720 3744 3840 3968 4030 4160 4185 4320 4464 4680 4836 4960 4992 5580 5616 5760 5952 6045 6240 6448 6696 6912 7020 7254 7440 7488 7936 8060 8320 8370 8640 8928 9199 9360 9672 9920 9984 10881 11160 11232 11520 11904 12090 12480 12896 13392 14040 14508 14880 14976 16120 16640 16740 17280 17856 18135 18398 18720 19344 19840 21762 22320 22464 23808 24180 24960 25792 26784 27597 28080 29016 29760 29952 32240 33480 34560 35712 36270 36796 37440 38688 39680 43524 44640 44928 45995 48360 49920 51584 53568 54405 55194 56160 58032 59520 64480 66960 71424 72540 73592 74880 77376 82791 87048 89280 89856 91990 96720 103168 107136 108810 110388 112320 116064 119040 119587 128960 133920 137985 145080 147184 149760 154752 165582 174096 178560 183980 193440 214272 217620 220776 224640 232128 239174 248373 257920 267840 275970 285169 290160 294368 309504 331164 348192 357120 358761 367960 386880 413955 435240 441552 449280 464256 478348 496746 515840 535680 551940 570338 580320 588736 597935 662328 696384 717522 735920 773760 827910 855507 870480 883104 928512 956696 993492 1071360 1076283 1103880 1140676 1160640 1177472 1195870 1241865 1324656 1392768 1425845 1435044 1471840 1547520 1655820 1711014 1740960 1766208 1793805 1913392 1986984 2152566 2207760 2281352 2321280 2354944 2391740 2483730 2566521 2649312 2785536 2851690 2870088 2943680 3228849 3311640 3422028 3481920 3532416 3587610 3707197 3826784 3973968 4277535 4305132 4415520 4562704 4642560 4783480 4967460 5133042 5298624 5381415 5703380 5740176 5887360 6457698 6623280 6844056 6963840 7064832 7175220 7414394 7653568 7699563 7947936 8555070 8610264 8831040 9125408 9566960 9934920 10266084 10597248 10762830 11121591 11406760 11480352 11774720 12832605 12915396 13246560 13688112 13927680 14350440 14828788 15307136 15399126 15895872 16144245 17110140 17220528 17662080 18250816 18535985 19133920 19869840 20532168 21194496 21525660 22243182 22813520 22960704 25665210 25830792 26493120 27376224 28700880 29657576 30614272 30798252 31791744 32288490 33364773 34220280 34441056 35324160 36501632 37071970 38267840 38497815 39739680 41064336 43051320 44486364 45627040 45921408 51330420 51661584 52986240 54752448 55607955 57401760 59315152 61596504 63583488 64576980 66729546 68440560 68882112 73003264 74143940 76535680 76995630 79479360 82128672 86102640 88972728 91254080 91842816 100094319 102660840 103323168 105972480 109504896 111215910 114803520 118630304 123193008 129153960 133459092 136881120 137764224 148287880 153071360 153991260 158958720 164257344 166823865 172205280 177945456 182508160 200188638 205321680 206646336 219009792 222431820 229607040 237260608 246386016 258307920 266918184 273762240 275528448 296575760 307982520 317917440 328514688 333647730 344410560 355890912 365016320 400377276 410643360 413292672 444863640 459214080 474521216 492772032 500471595 516615840 533836368 547524480 593151520 615965040 657029376 667295460 688821120 711781824 800754552 821286720 826585344 889727280 949042432 985544064 1000943190 1033231680 1067672736 1095048960 1186303040 1231930080 1334590920 1377642240 1423563648 1601509104 1642573440 1779454560 1971088128 2001886380 2066463360 2135345472 2372606080 2463860160 2669181840 2847127296 3203018208 3285146880 3558909120 4003772760 4132926720 4270690944 4745212160 4927720320 5338363680 6406036416 7117818240 8007545520 8541381888 9855440640 10676727360 12812072832 14235636480 16015091040 21353454720 25624145664 32030182080 42706909440 64060364160 128120728320
- Sum of all divisors σ(n): 505473024000
- Sum of proper divisors (its aliquot sum) s(n): 377352295680
- 128120728320 is an abundant number, because the sum of its proper divisors (377352295680) is greater than itself. Its abundance is 249231567360
Bases of 128120728320
- Binary: 11101110101001001011100101011000000002
- Hexadecimal: 0x1DD4972B00
- Base-36: 1MUVRUO0
Squares and roots of 128120728320
- 128120728320 squared (1281207283202) is 16414921025247250022400
- 128120728320 cubed (1281207283203) is 2103091637069958780947024314368000
-
The
square root of 128120728320 is 357939.5595907219 -
The
cube root of 128120728320 is 5041.2681616049
Scales and comparisons
How big is 128120728320?- 128,120,728,320 seconds is equal to 4,073 years, 43 weeks, 5 days, 19 hours, 12 minutes.
-
To count from 1 to 128,120,728,320 would take you about eight thousand, one hundred forty-seven 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 128120728320 cubic inches would be around 420.1 feet tall.
Recreational maths with 128120728320
- 128120728320 backwards is 023827021821
- 128120728320 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 128120728320's digits is 36
- More coming soon!
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