129731051520

Names of 129731051520

• Cardinal: 129731051520 can be written as One hundred twenty-nine billion, seven hundred thirty-one million, fifty-one thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.2973105152 × 10¹¹

Factors of 129731051520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 36

Divisors of 129731051520

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 27 28 30 32 35 36 38 40 42 45 48 49 54 56 57 60 63 64 70 72 76 80 81 84 90 95 96 98 105 108 112 114 120 126 128 133 135 140 144 147 152 160 162 168 171 180 189 190 192 196 210 216 224 228 240 243 245 252 256 266 270 280 285 288 294 304 315 320 324 336 342 343 360 378 380 384 392 399 405 420 432 441 448 456 480 486 490 504 512 513 532 540 560 567 570 576 588 608 630 640 648 665 672 684 686 720 735 756 760 768 784 798 810 840 855 864 882 896 912 931 945 960 972 980 1008 1024 1026 1029 1064 1080 1120 1134 1140 1152 1176 1197 1215 1216 1260 1280 1296 1323 1330 1344 1368 1372 1440 1470 1512 1520 1536 1539 1568 1596 1620 1680 1701 1710 1715 1728 1764 1792 1824 1862 1890 1920 1944 1960 1995 2016 2048 2052 2058 2128 2160 2205 2240 2268 2280 2304 2352 2394 2430 2432 2520 2560 2565 2592 2646 2660 2688 2736 2744 2793 2835 2880 2940 3024 3040 3072 3078 3087 3136 3192 3240 3360 3402 3420 3430 3456 3528 3584 3591 3648 3724 3780 3840 3888 3920 3969 3990 4032 4096 4104 4116 4256 4320 4410 4480 4536 4560 4608 4617 4655 4704 4788 4860 4864 5040 5120 5130 5145 5184 5292 5320 5376 5472 5488 5586 5670 5760 5880 5985 6048 6080 6144 6156 6174 6272 6384 6480 6517 6615 6720 6804 6840 6860 6912 7056 7168 7182 7296 7448 7560 7680 7695 7776 7840 7938 7980 8064 8192 8208 8232 8379 8505 8512 8640 8820 8960 9072 9120 9216 9234 9261 9310 9408 9576 9720 9728 10080 10240 10260 10290 10368 10584 10640 10752 10773 10944 10976 11172 11340 11520 11760 11907 11970 12096 12160 12288 12312 12348 12544 12768 12960 13034 13230 13440 13608 13680 13720 13824 13965 14112 14336 14364 14592 14896 15120 15360 15390 15435 15552 15680 15876 15960 16128 16384 16416 16464 16758 17010 17024 17280 17640 17920 17955 18144 18240 18432 18468 18522 18620 18816 19152 19440 19456 19551 19845 20160 20480 20520 20580 20736 21168 21280 21504 21546 21888 21952 22344 22680 23040 23085 23520 23814 23940 24192 24320 24576 24624 24696 25088 25137 25536 25920 26068 26460 26880 27216 27360 27440 27648 27783 27930 28224 28672 28728 29184 29792 30240 30720 30780 30870 31104 31360 31752 31920 32256 32319 32585 32832 32928 33516 34020 34048 34560 35280 35840 35910 36288 36480 36864 36936 37044 37240 37632 38304 38880 38912 39102 39690 40320 40960 41040 41160 41472 41895 42336 42560 43008 43092 43776 43904 44688 45360 46080 46170 46305 47040 47628 47880 48384 48640 49152 49248 49392 50176 50274 51072 51840 52136 52920 53760 53865 54432 54720 54880 55296 55566 55860 56448 57344 57456 58368 58653 59535 59584 60480 61440 61560 61740 62208 62720 63504 63840 64512 64638 65170 65664 65856 67032 68040 68096 69120 70560 71680 71820 72576 72960 73728 73872 74088 74480 75264 75411 76608 77760 77824 78204 79380 80640 81920 82080 82320 82944 83349 83790 84672 85120 86016 86184 87552 87808 89376 90720 92160 92340 92610 94080 95256 95760 96768 97280 97755 98496 98784 100352 100548 102144 103680 104272 105840 107520 107730 108864 109440 109760 110592 111132 111720 112896 114688 114912 116736 117306 119070 119168 120960 122880 123120 123480 124416 125440 125685 127008 127680 129024 129276 130340 131328 131712 134064 136080 136192 138240 138915 141120 143360 143640 145152 145920 147456 147744 148176 148960 150528 150822 153216 155520 155648 156408 158760 161280 161595 164160 164640 165888 166698 167580 169344 170240 172032 172368 175104 175616 175959 178752 181440 184320 184680 185220 188160 190512 191520 193536 194560 195510 196992 197568 200704 201096 204288 207360 208544 211680 215040 215460 217728 218880 219520 221184 222264 223440 225792 226233 229824 233472 234612 238140 238336 241920 245760 246240 246960 248832 250880 251370 254016 255360 258048 258552 260680 262656 263424 268128 272160 272384 276480 277830 282240 286720 287280 290304 291840 293265 295488 296352 297920 301056 301644 306432 311040 311296 312816 317520 322560 323190 328320 329280 331776 333396 335160 338688 340480 344064 344736 350208 351232 351918 357504 362880 368640 369360 370440 376320 377055 381024 383040 387072 389120 391020 393984 395136 401408 402192 408576 414720 416745 417088 423360 430080 430920 435456 437760 439040 442368 444528 446880 451584 452466 459648 466944 469224 476280 476672 483840 492480 493920 497664 501760 502740 508032 510720 516096 517104 521360 525312 526848 527877 536256 544320 544768 552960 555660 564480 573440 574560 580608 583680 586530 590976 592704 595840 602112 603288 612864 622080 625632 635040 645120 646380 656640 658560 663552 666792 670320 677376 680960 689472 700416 702464 703836 715008 725760 737280 738720 740880 752640 754110 762048 766080 774144 778240 782040 787968 790272 802816 804384 817152 829440 833490 834176 846720 860160 861840 870912 875520 878080 879795 889056 893760 903168 904932 919296 933888 938448 952560 953344 967680 984960 987840 995328 1003520 1005480 1016064 1021440 1032192 1034208 1042720 1050624 1053696 1055754 1072512 1088640 1089536 1105920 1111320 1128960 1131165 1149120 1161216 1167360 1173060 1181952 1185408 1191680 1204224 1206576 1225728 1244160 1251264 1270080 1290240 1292760 1313280 1317120 1327104 1333584 1340640 1354752 1361920 1378944 1400832 1404928 1407672 1430016 1451520 1477440 1481760 1505280 1508220 1524096 1532160 1548288 1556480 1564080 1575936 1580544 1583631 1608768 1634304 1658880 1666980 1668352 1693440 1720320 1723680 1741824 1751040 1756160 1759590 1778112 1787520 1806336 1809864 1838592 1876896 1905120 1906688 1935360 1969920 1975680 1990656 2007040 2010960 2032128 2042880 2068416 2085440 2101248 2107392 2111508 2145024 2177280 2179072 2211840 2222640 2257920 2262330 2298240 2322432 2334720 2346120 2363904 2370816 2383360 2408448 2413152 2451456 2488320 2502528 2540160 2580480 2585520 2626560 2634240 2639385 2667168 2681280 2709504 2723840 2757888 2801664 2809856 2815344 2860032 2903040 2954880 2963520 3010560 3016440 3048192 3064320 3096576 3128160 3151872 3161088 3167262 3217536 3268608 3317760 3333960 3336704 3386880 3447360 3483648 3502080 3512320 3519180 3556224 3575040 3612672 3619728 3677184 3753792 3810240 3813376 3870720 3939840 3951360 3981312 4014080 4021920 4064256 4085760 4136832 4170880 4202496 4214784 4223016 4290048 4354560 4445280 4515840 4524660 4596480 4644864 4669440 4692240 4727808 4741632 4766720 4826304 4902912 4976640 5005056 5080320 5160960 5171040 5253120 5268480 5278770 5334336 5362560 5419008 5447680 5515776 5619712 5630688 5720064 5806080 5909760 5927040 6021120 6032880 6096384 6128640 6256320 6303744 6322176 6334524 6435072 6537216 6635520 6667920 6673408 6773760 6894720 6967296 7004160 7024640 7038360 7112448 7150080 7225344 7239456 7354368 7507584 7620480 7626752 7741440 7879680 7902720 7918155 8043840 8128512 8171520 8273664 8341760 8404992 8429568 8446032 8580096 8709120 8890560 9031680 9049320 9192960 9289728 9384480 9455616 9483264 9533440 9652608 9805824 9953280 10010112 10160640 10342080 10506240 10536960 10557540 10668672 10725120 10838016 10895360 11031552 11261376 11440128 11612160 11819520 11854080 12042240 12065760 12192768 12257280 12512640 12607488 12644352 12669048 12870144 13335840 13346816 13547520 13789440 13934592 14008320 14049280 14076720 14224896 14300160 14478912 14708736 15015168 15240960 15253504 15482880 15759360 15805440 15836310 16087680 16257024 16343040 16547328 16683520 16859136 16892064 17160192 17418240 17781120 18063360 18098640 18385920 18768960 18911232 18966528 19066880 19305216 19611648 19906560 20020224 20321280 20684160 21012480 21073920 21115080 21337344 21450240 21676032 22063104 22522752 22880256 23224320 23639040 23708160 24131520 24385536 24514560 25025280 25214976 25288704 25338096 25740288 26671680 26693632 27095040 27578880 27869184 28098560 28153440 28449792 28600320 28957824 29417472 30030336 30481920 31518720 31610880 31672620 32175360 32514048 32686080 33094656 33367040 33784128 34320384 34836480 35562240 36126720 36197280 36771840 37537920 37822464 37933056 38133760 38610432 40040448 40642560 41368320 42024960 42147840 42230160 42674688 42900480 44126208 45045504 45760512 46448640 47278080 47416320 48263040 48771072 49029120 50050560 50577408 50676192 51480576 53343360 53387264 54190080 55157760 56306880 56899584 57200640 57915648 58834944 60060672 60963840 63037440 63221760 63345240 64350720 65028096 66189312 66734080 67568256 68640768 69672960 71124480 72394560 73543680 75075840 75644928 75866112 76267520 77220864 80080896 81285120 82736640 84295680 84460320 85349376 85800960 88252416 90091008 94556160 94832640 96526080 97542144 98058240 100101120 101352384 102961152 106686720 106774528 108380160 110315520 112613760 113799168 114401280 115831296 120121344 121927680 126074880 126443520 126690480 128701440 132378624 133468160 135136512 137281536 139345920 142248960 144789120 147087360 150151680 151732224 154441728 160161792 162570240 165473280 168920640 170698752 171601920 176504832 180182016 189112320 189665280 193052160 195084288 200202240 202704768 205922304 213373440 220631040 225227520 227598336 228802560 231662592 240242688 243855360 252887040 253380960 257402880 264757248 266936320 270273024 284497920 289578240 294174720 300303360 308883456 320323584 325140480 330946560 337841280 341397504 343203840 360364032 378224640 379330560 386104320 400404480 405409536 411844608 426746880 441262080 450455040 455196672 463325184 480485376 487710720 506761920 514805760 529514496 533872640 540546048 568995840 579156480 600606720 617766912 661893120 675682560 682795008 686407680 720728064 758661120 772208640 800808960 810819072 853493760 882524160 900910080 926650368 960970752 975421440 1013523840 1029611520 1081092096 1137991680 1158312960 1201213440 1235533824 1323786240 1351365120 1365590016 1441456128 1544417280 1601617920 1621638144 1706987520 1801820160 1853300736 2027047680 2059223040 2162184192 2275983360 2316625920 2402426880 2647572480 2702730240 2882912256 3088834560 3243276288 3413975040 3603640320 3706601472 4054095360 4324368384 4633251840 4804853760 5405460480 6177669120 6486552576 6827950080 7207280640 8108190720 8648736768 9266503680 10810920960 12973105152 14414561280 16216381440 18533007360 21621841920 25946210304 32432762880 43243683840 64865525760 129731051520
• Sum of all divisors σ(n): 572505024000
• Sum of proper divisors (its aliquot sum) s(n): 442773972480
• 129731051520 is an abundant number, because the sum of its proper divisors (442773972480) is greater than itself. Its abundance is 313042920960

Bases of 129731051520

• Binary: 1111000110100100100101100000000000000₂
• Hexadecimal: 0x1E3492C000
• Base-36: 1NLIIO00

Squares and roots of 129731051520

• 129731051520 squared (129731051520²) is 16830145728484894310400
• 129731051520 cubed (129731051520³) is 2183392502591181755324257271808000
• The square root of 129731051520 is 360181.9700096051
• The cube root of 129731051520 is 5062.3011754013

Scales and comparisons

• 129,731,051,520 seconds is equal to 4,125 years, 2 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 129,731,051,520 would take you about eight thousand, two hundred fifty 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 129731051520 cubic inches would be around 421.9 feet tall.

Recreational maths with 129731051520

• 129731051520 backwards is 025150137921
• 129731051520 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129731051520's digits is 36
• More coming soon!