128238728625
128,238,728,625 is an odd composite number composed of six prime numbers multiplied together.
128238728625 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 128238728625:
32 × 53 × 7 × 172 × 292 × 67
(3 × 3 × 5 × 5 × 5 × 7 × 17 × 17 × 29 × 29 × 67)See below for interesting mathematical facts about the number 128238728625 from the Numbermatics database.
Names of 128238728625
- Cardinal: 128238728625 can be written as One hundred twenty-eight billion, two hundred thirty-eight million, seven hundred twenty-eight thousand, six hundred twenty-five.
Scientific notation
- Scientific notation: 1.28238728625 × 1011
Factors of 128238728625
Divisors of 128238728625
- Number of divisors d(n): 432
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Complete list of divisors:
1 3 5 7 9 15 17 21 25 29 35 45 51 63 67 75 85 87 105 119 125 145 153 175 201 203 225 255 261 289 315 335 357 375 425 435 469 493 525 595 603 609 725 765 841 867 875 1005 1015 1071 1125 1139 1275 1305 1407 1445 1479 1575 1675 1785 1827 1943 2023 2125 2175 2345 2465 2523 2601 2625 2975 3015 3045 3417 3451 3625 3825 4205 4221 4335 4437 5025 5075 5355 5695 5829 5887 6069 6375 6525 7035 7225 7395 7569 7875 7973 8375 8381 8925 9135 9715 10115 10251 10353 10875 11725 12325 12615 13005 13601 14297 14875 15075 15225 17085 17255 17487 17661 18207 19125 19363 21025 21105 21675 22185 23919 25125 25143 25375 26775 28475 29145 29435 30345 31059 32625 33031 35175 36125 36975 37845 39865 40803 41905 42891 44625 45675 48575 50575 51255 51765 52983 56347 58089 58625 58667 61625 63075 65025 68005 71485 71757 75375 75429 76125 85425 86275 87435 88305 91035 96815 99093 100079 105125 105525 108375 110925 119595 122409 125715 128673 133875 135541 142375 145725 147175 151725 155295 165155 169041 174267 175875 176001 184875 189225 199325 204015 209525 214455 228375 231217 242875 243049 252875 256275 258825 264915 281735 290445 293335 297279 300237 315375 325125 340025 357425 358785 377145 394429 406623 427125 431375 437175 441525 455175 484075 495465 500395 507123 527625 528003 554625 561527 597975 612045 628575 643365 677705 693651 728625 729147 735875 758625 776475 825775 845205 871335 880005 900711 946125 957899 996625 1020075 1047625 1072275 1156085 1183287 1215245 1219869 1281375 1294125 1324575 1408675 1452225 1466675 1486395 1501185 1684581 1700125 1701343 1787125 1793925 1885725 1972145 2033115 2080953 2185875 2187441 2207625 2275875 2420375 2477325 2501975 2535615 2640015 2807635 2873697 2989875 3060225 3142875 3216825 3388525 3468255 3549861 3645735 3882375 3930689 4128875 4226025 4356675 4400025 4503555 4789495 5053743 5100375 5104029 5361375 5780425 5916435 6076225 6099345 6622875 6705293 7043375 7261125 7333375 7431975 7505925 8422905 8506715 8621091 8969625 9428625 9860725 10165575 10404765 10937205 11792067 12386625 12509875 12678075 13200075 14038175 14368485 15301125 15312087 16084125 16284283 16942625 17341275 17749305 18228675 19653445 20115879 21130125 21783375 22000125 22517775 23947475 25268715 25520145 28902125 29582175 30381125 30496725 33526465 35376201 37159875 37529625 42114525 42533575 43105455 48852849 49303625 50827875 52023825 54686025 58960335 60347637 63390375 66000375 70190875 71842425 76560435 81421415 86706375 88746525 91143375 98267225 100579395 112588875 113989981 119737375 126343575 127600725 146558547 147910875 152483625 167632325 176881005 210572625 212667875 215527275 244264245 260119125 273430125 294801675 301738185 341969943 359212125 382802175 407107075 443732625 491336125 502896975 569949905 631717875 638003625 732792735 838161625 884405025 1025909829 1077636375 1221321225 1474008375 1508690925 1709849715 1914010875 2035535375 2514484875 2849749525 3663963675 4422025125 5129549145 6106606125 7543454625 8549248575 14248747625 18319818375 25647745725 42746242875 128238728625
- Sum of all divisors σ(n): 295000927104
- Sum of proper divisors (its aliquot sum) s(n): 166762198479
- 128238728625 is an abundant number, because the sum of its proper divisors (166762198479) is greater than itself. Its abundance is 38523469854
Bases of 128238728625
- Binary: 11101110110111001111110110101101100012
- Hexadecimal: 0x1DDB9FB5B1
- Base-36: 1MWU10A9
Squares and roots of 128238728625
- 128238728625 squared (1282387286252) is 16445171519356394390625
- 128238728625 cubed (1282387286253) is 2108907887662323594917831619140625
-
The
square root of 128238728625 is 358104.3543787201 -
The
cube root of 128238728625 is 5042.8153706439
Scales and comparisons
How big is 128238728625?- 128,238,728,625 seconds is equal to 4,077 years, 30 weeks, 6 days, 13 hours, 3 minutes, 45 seconds.
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To count from 1 to 128,238,728,625 would take you about eight thousand, one hundred fifty-five 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 128238728625 cubic inches would be around 420.2 feet tall.
Recreational maths with 128238728625
- 128238728625 backwards is 526827832821
- The number of decimal digits it has is: 12
- The sum of 128238728625's digits is 54
- More coming soon!
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