129728907744345
129,728,907,744,345 is an odd composite number composed of eight prime numbers multiplied together.
129728907744345 is an odd composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 129728907744345:
32 × 5 × 7 × 13 × 61 × 73 × 1723 × 4129
(3 × 3 × 5 × 7 × 13 × 61 × 73 × 1723 × 4129)See below for interesting mathematical facts about the number 129728907744345 from the Numbermatics database.
Names of 129728907744345
- Cardinal: 129728907744345 can be written as One hundred twenty-nine trillion, seven hundred twenty-eight billion, nine hundred seven million, seven hundred forty-four thousand, three hundred forty-five.
Scientific notation
- Scientific notation: 1.29728907744345 × 1014
Factors of 129728907744345
Divisors of 129728907744345
- Number of divisors d(n): 384
-
Complete list of divisors:
1 3 5 7 9 13 15 21 35 39 45 61 63 65 73 91 105 117 183 195 219 273 305 315 365 427 455 511 549 585 657 793 819 915 949 1095 1281 1365 1533 1723 2135 2379 2555 2745 2847 3285 3843 3965 4095 4129 4453 4599 4745 5169 5551 6405 6643 7137 7665 8541 8615 11895 12061 12387 13359 14235 15507 16653 19215 19929 20645 22265 22399 22995 25845 27755 28903 31171 33215 35685 36183 37161 40077 42705 49959 53677 57889 59787 60305 61935 66795 67197 77535 83265 86709 93513 99645 105103 108549 111995 125779 144515 155855 156793 161031 173667 180915 185805 200385 201591 249795 251869 260127 268385 280539 289445 298935 301417 315309 335985 375739 377337 405223 433545 467565 470379 483093 521001 525515 542745 628895 735721 755607 783965 805155 868335 880453 904251 945927 1007955 1127217 1132011 1215669 1259345 1300635 1366339 1402695 1411137 1507085 1576545 1635127 1763083 1878695 1886685 2026115 2109919 2207163 2266821 2351895 2415465 2605005 2641359 2712753 3274297 3381651 3647007 3678605 3778035 3918421 4099017 4402265 4521255 4729635 4905381 5289249 5636085 5660055 6078345 6329757 6621489 6831695 7055685 7114267 7672519 7924077 8175635 8815415 9564373 9822891 10549595 11035815 11334105 11445889 11755263 12297051 13206795 13563765 14716143 15867747 16371485 16908255 18235035 18386437 18989271 19592105 20495085 21342801 22920079 23017557 24526905 26446245 27428947 28693119 29468673 31648785 33107445 34337667 35265789 35571335 38362595 39620385 47821865 49114455 49799869 53707633 55159311 57229445 58776315 61485255 64028403 68760237 69052671 73580715 79338735 82286841 86079357 91932185 92485471 94946355 99742747 103013001 106714005 114600395 115087785 128705059 137144735 143465595 147343365 149399607 161122899 165477933 171688335 176328945 206280711 239023681 246860523 248999345 268538165 275796555 277456413 299228241 320142015 343801185 345263355 386115177 411434205 430396785 433970287 448198821 462427355 483368697 498713735 515065005 519341491 643525295 647398297 698199229 717071043 746998035 805614495 827389665 832369239 897684723 1031403555 1158345531 1195118405 1234302615 1301910861 1387282065 1496141205 1558024473 1673165767 1930575885 1942194891 2094597687 2151213129 2169851435 2240994105 2416843485 2596707455 3037792009 3236991485 3490996145 3585355215 3635390437 3905732583 4161846195 4488423615 4674073419 5019497301 5641613731 5791727655 5826584673 6283793061 6509554305 6751439383 7790122365 8365828835 9113376027 9710974455 10472988435 10756065645 10906171311 15058491903 15188960045 16924841193 18176952185 19528662915 20254318149 23370367095 25097486505 27340128081 28208068655 29132923365 31418965305 31679830951 32718513933 33757196915 39491296117 45566880135 47260075681 50774523579 54530856555 60762954447 75292459515 84624205965 95039492853 101271590745 118473888351 136700640405 141780227043 158399154755 163592569665 197456480585 221758816657 236300378405 253872617895 285118478559 303814772235 355421665053 411837802363 425340681129 475197464265 592369441755 665276449971 708901135215 1108794083285 1235513407089 1425592392795 1777108325265 1995829349913 2059189011815 2126703405645 2882864616541 3326382249855 3706540221267 6177567035445 8648593849623 9979146749565 14414323082705 18532701106335 25945781548869 43242969248115 129728907744345
- Sum of all divisors σ(n): 285379877852160
- Sum of proper divisors (its aliquot sum) s(n): 155650970107815
- 129728907744345 is an abundant number, because the sum of its proper divisors (155650970107815) is greater than itself. Its abundance is 25922062363470
Bases of 129728907744345
- Binary: 111010111111100110111010111011010010100010110012
- Hexadecimal: 0x75FCDD769459
- Base-36: 19ZGMY6449
Squares and roots of 129728907744345
- 129728907744345 squared (1297289077443452) is 16829589504540776115879479025
- 129728907744345 cubed (1297289077443453) is 2183284264209767222202154155616986489863625
-
The
square root of 129728907744345 is 11389859.8650003155 -
The
cube root of 129728907744345 is 50622.7329079529
Scales and comparisons
How big is 129728907744345?- 129,728,907,744,345 seconds is equal to 4,124,977 years, 51 weeks, 2 days, 18 hours, 45 minutes, 45 seconds.
-
To count from 1 to 129,728,907,744,345 would take you about ten million, three hundred twelve thousand, four hundred forty-four 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 129728907744345 cubic inches would be around 4218.6 feet tall.
Recreational maths with 129728907744345
- 129728907744345 backwards is 543447709827921
- The number of decimal digits it has is: 15
- The sum of 129728907744345's digits is 72
- More coming soon!
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