128478617988
128,478,617,988 is an even composite number composed of six prime numbers multiplied together.
128478617988 is an even 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 128478617988:
22 × 3 × 72 × 172 × 293 × 31
(2 × 2 × 3 × 7 × 7 × 17 × 17 × 29 × 29 × 29 × 31)See below for interesting mathematical facts about the number 128478617988 from the Numbermatics database.
Names of 128478617988
- Cardinal: 128478617988 can be written as One hundred twenty-eight billion, four hundred seventy-eight million, six hundred seventeen thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 1.28478617988 × 1011
Factors of 128478617988
Divisors of 128478617988
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 6 7 12 14 17 21 28 29 31 34 42 49 51 58 62 68 84 87 93 98 102 116 119 124 147 174 186 196 203 204 217 238 289 294 348 357 372 406 434 476 493 527 578 588 609 651 714 812 833 841 867 868 899 986 1054 1156 1218 1302 1421 1428 1479 1519 1581 1666 1682 1734 1798 1972 2023 2108 2436 2499 2523 2604 2697 2842 2958 3038 3162 3332 3364 3451 3468 3596 3689 4046 4263 4557 4998 5046 5394 5684 5887 5916 6069 6076 6293 6324 6902 7378 8092 8381 8526 8959 9114 9996 10092 10353 10788 11067 11774 12138 12586 13804 14161 14297 14756 15283 16762 17052 17661 17918 18228 18879 20706 22134 23548 24157 24276 24389 25143 25172 25823 26071 26877 28322 28594 30566 33524 35322 35836 37758 41209 41412 42483 42891 44051 44268 45849 48314 48778 50286 51646 52142 53754 56644 57188 58667 61132 62713 70644 72471 73167 75516 77469 78213 82418 84966 85782 88102 91698 96628 97556 100079 100572 103292 104284 106981 107508 117334 123627 125426 132153 144942 146334 154938 156426 164836 169932 170723 171564 176001 176204 182497 183396 188139 200158 213962 234668 243049 247254 250852 259811 264306 289884 292668 300237 309876 312852 320943 341446 352002 364994 376278 400316 410669 414613 427924 438991 443207 486098 494508 512169 519622 528612 547491 600474 641886 682892 700553 704004 729147 729988 748867 752556 756059 779433 821338 829226 877982 886414 972196 1024338 1039244 1094982 1195061 1200948 1232007 1243839 1277479 1283772 1316973 1329621 1401106 1458294 1497734 1512118 1558866 1642676 1658452 1701343 1755964 1772828 1818677 2048676 2101659 2189964 2246601 2268177 2390122 2464014 2487678 2554958 2633946 2659242 2802212 2902291 2916588 2995468 3024236 3102449 3117732 3402686 3585183 3637354 3832437 4203318 4493202 4536354 4780244 4928028 4975356 5104029 5109916 5267892 5292413 5318484 5456031 5804582 6204898 6805372 7048421 7170366 7274708 7534519 7664874 8406636 8706873 8986404 9072708 9307347 10208058 10584826 10912062 11609164 11909401 12409796 12730739 12853003 14096842 14340732 15069038 15329748 15877239 17413746 18614694 20316037 20416116 21145263 21169652 21717143 21824124 22603557 23818802 25461478 25706006 28193684 30138076 31754478 34827492 35728203 37046891 37229388 38192217 38559009 40632074 42290526 43434286 45207114 47637604 49338947 50922956 51412012 52741633 60948111 63508956 65151429 71456406 74093782 76384434 77118018 81264148 84581052 86868572 89971021 90414228 98677894 105483266 111140673 121896222 130302858 142912812 148016841 148187564 152768868 154236036 158224899 179942042 197355788 210966532 218501051 222281346 243792444 260605716 269913063 296033682 316449798 345372629 359884084 369191431 437002102 444562692 539826126 592067364 629797147 632899596 655503153 690745258 738382862 874004204 1036117887 1079652252 1107574293 1259594294 1311006306 1381490516 1476765724 1529507357 1889391441 2072235774 2215148586 2519188588 2622012612 3059014714 3778782882 4144471548 4430297172 4588522071 6118029428 7557565764 9177044142 10706551499 18354088284 21413102998 32119654497 42826205996 64239308994 128478617988
- Sum of all divisors σ(n): 396054167040
- Sum of proper divisors (its aliquot sum) s(n): 267575549052
- 128478617988 is an abundant number, because the sum of its proper divisors (267575549052) is greater than itself. Its abundance is 139096931064
Bases of 128478617988
- Binary: 11101111010011110110000100001100001002
- Hexadecimal: 0x1DE9EC2184
- Base-36: 1N0SUO3O
Squares and roots of 128478617988
- 128478617988 squared (1284786179882) is 16506755280106437168144
- 128478617988 cubed (1284786179883) is 2120765105854196876905697498974272
-
The
square root of 128478617988 is 358439.1412611073 -
The
cube root of 128478617988 is 5045.9578540541
Scales and comparisons
How big is 128478617988?- 128,478,617,988 seconds is equal to 4,085 years, 11 weeks, 4 days, 59 minutes, 48 seconds.
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To count from 1 to 128,478,617,988 would take you about eight thousand, one hundred seventy 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 128478617988 cubic inches would be around 420.5 feet tall.
Recreational maths with 128478617988
- 128478617988 backwards is 889716874821
- The number of decimal digits it has is: 12
- The sum of 128478617988's digits is 69
- More coming soon!
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The information we have on file for 128478617988 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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