128987188200
128,987,188,200 is an even composite number composed of five prime numbers multiplied together.
128987188200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 128987188200:
23 × 32 × 52 × 135 × 193
(2 × 2 × 2 × 3 × 3 × 5 × 5 × 13 × 13 × 13 × 13 × 13 × 193)See below for interesting mathematical facts about the number 128987188200 from the Numbermatics database.
Names of 128987188200
- Cardinal: 128987188200 can be written as One hundred twenty-eight billion, nine hundred eighty-seven million, one hundred eighty-eight thousand, two hundred.
Scientific notation
- Scientific notation: 1.289871882 × 1011
Factors of 128987188200
Divisors of 128987188200
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 25 26 30 36 39 40 45 50 52 60 65 72 75 78 90 100 104 117 120 130 150 156 169 180 193 195 200 225 234 260 300 312 325 338 360 386 390 450 468 507 520 579 585 600 650 676 772 780 845 900 936 965 975 1014 1158 1170 1300 1352 1521 1544 1560 1690 1737 1800 1930 1950 2028 2197 2316 2340 2509 2535 2600 2895 2925 3042 3380 3474 3860 3900 4056 4225 4394 4632 4680 4825 5018 5070 5790 5850 6084 6591 6760 6948 7527 7605 7720 7800 8450 8685 8788 9650 10036 10140 10985 11580 11700 12168 12545 12675 13182 13896 14475 15054 15210 16900 17370 17576 19300 19773 20072 20280 21970 22581 23160 23400 25090 25350 26364 28561 28950 30108 30420 32617 32955 33800 34740 37635 38025 38600 39546 43425 43940 45162 50180 50700 52728 54925 57122 57900 60216 60840 62725 65234 65910 69480 75270 76050 79092 85683 86850 87880 90324 97851 98865 100360 101400 109850 112905 114244 115800 125450 130468 131820 142805 150540 152100 158184 163085 164775 171366 173700 180648 188175 195702 197730 219700 225810 228488 250900 257049 260936 263640 285610 293553 301080 304200 326170 329550 342732 347400 371293 376350 391404 395460 424021 428415 439400 451620 489255 494325 501800 514098 564525 571220 587106 652340 659100 685464 714025 742586 752700 782808 790920 815425 848042 856830 903240 978510 988650 1028196 1113879 1129050 1142440 1174212 1272063 1285245 1304680 1318200 1428050 1467765 1485172 1505400 1630850 1696084 1713660 1856465 1957020 1977300 2056392 2120105 2142075 2227758 2258100 2348424 2446275 2544126 2570490 2856100 2935530 2970344 3261700 3341637 3392168 3427320 3712930 3816189 3914040 3954600 4240210 4284150 4455516 4516200 4892550 5088252 5140980 5512273 5569395 5712200 5871060 6360315 6426225 6523400 6683274 7338825 7425860 7632378 8480420 8568300 8911032 9282325 9785100 10176504 10281960 10600525 11024546 11138790 11742120 12720630 12852450 13366548 14677650 14851720 15264756 16536819 16708185 16960840 17136600 18564650 19080945 19570200 21201050 22049092 22277580 25441260 25704900 26733096 27561365 27846975 29355300 30529512 31801575 33073638 33416370 37129300 38161890 42402100 44098184 44555160 49610457 50882520 51409800 55122730 55693950 58710600 63603150 66147276 66832740 71659549 74258600 76323780 82684095 83540925 84804200 95404725 99220914 110245460 111387900 127206300 132294552 133665480 137806825 143319098 152647560 165368190 167081850 190809450 198441828 214978647 220490920 222775800 248052285 254412600 275613650 286638196 330736380 334163700 358297745 381618900 396883656 413420475 429957294 496104570 551227300 573276392 644935941 661472760 668327400 716595490 763237800 826840950 859914588 992209140 1074893235 1102454600 1240261425 1289871882 1433190980 1653681900 1719829176 1791488725 1984418280 2149786470 2480522850 2579743764 2866381960 3224679705 3307363800 3582977450 4299572940 4961045700 5159487528 5374466175 6449359410 7165954900 8599145880 9922091400 10748932350 12898718820 14331909800 16123398525 21497864700 25797437640 32246797050 42995729400 64493594100 128987188200
- Sum of all divisors σ(n): 471711878820
- Sum of proper divisors (its aliquot sum) s(n): 342724690620
- 128987188200 is an abundant number, because the sum of its proper divisors (342724690620) is greater than itself. Its abundance is 213737502420
Bases of 128987188200
- Binary: 11110000010000011110001001011111010002
- Hexadecimal: 0x1E083C4BE8
- Base-36: 1N97N3E0
Squares and roots of 128987188200
- 128987188200 squared (1289871882002) is 16637694719742219240000
- 128987188200 cubed (1289871882003) is 2146049460029535888595540968000000
-
The
square root of 128987188200 is 359147.8639780557 -
The
cube root of 128987188200 is 5052.6070674215
Scales and comparisons
How big is 128987188200?- 128,987,188,200 seconds is equal to 4,101 years, 20 weeks, 3 days, 6 hours, 30 minutes.
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To count from 1 to 128,987,188,200 would take you about eight thousand, two hundred two 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 128987188200 cubic inches would be around 421.1 feet tall.
Recreational maths with 128987188200
- 128987188200 backwards is 002881789821
- The number of decimal digits it has is: 12
- The sum of 128987188200's digits is 54
- More coming soon!
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