129435686640

Names of 129435686640

• Cardinal: 129435686640 can be written as One hundred twenty-nine billion, four hundred thirty-five million, six hundred eighty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2943568664 × 10¹¹

Factors of 129435686640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 197

Divisors of 129435686640

• Number of divisors d(n): 1600
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 19 20 24 26 27 30 34 36 38 39 40 45 48 51 52 54 57 60 65 67 68 71 72 76 78 80 81 85 90 95 102 104 108 114 117 120 130 134 135 136 142 144 152 153 156 162 170 171 180 190 195 201 204 208 213 216 221 228 234 240 247 255 260 268 270 272 284 285 304 306 312 323 324 335 340 342 351 355 360 380 390 402 405 408 426 432 442 456 459 468 494 510 513 520 536 540 568 570 585 603 612 624 639 646 648 663 670 680 684 702 710 720 741 760 765 780 804 810 816 852 855 871 884 912 918 923 936 969 988 1005 1020 1026 1040 1053 1065 1072 1080 1105 1136 1139 1140 1170 1206 1207 1224 1235 1273 1278 1292 1296 1326 1340 1349 1360 1368 1377 1404 1420 1482 1520 1530 1539 1560 1608 1615 1620 1704 1710 1742 1755 1768 1809 1836 1846 1872 1917 1938 1976 1989 2010 2040 2052 2106 2130 2160 2210 2223 2278 2280 2295 2340 2412 2414 2448 2470 2546 2556 2565 2584 2613 2652 2680 2698 2736 2754 2769 2808 2840 2907 2964 3015 3060 3078 3120 3195 3216 3230 3240 3315 3408 3417 3420 3484 3510 3536 3618 3621 3672 3692 3705 3819 3834 3876 3952 3978 4020 4047 4080 4104 4199 4212 4260 4355 4420 4446 4556 4560 4590 4615 4680 4757 4824 4828 4845 4940 5092 5112 5130 5168 5226 5265 5304 5360 5396 5427 5508 5538 5616 5680 5695 5751 5814 5928 5967 6030 6035 6120 6156 6365 6390 6460 6480 6630 6669 6745 6834 6840 6885 6968 7020 7236 7242 7344 7384 7410 7638 7668 7695 7752 7839 7956 8040 8094 8208 8307 8398 8424 8520 8710 8721 8840 8892 9045 9112 9180 9230 9360 9514 9585 9648 9656 9690 9880 9945 10184 10224 10251 10260 10452 10530 10608 10792 10854 10863 11016 11076 11115 11390 11457 11502 11628 11856 11934 12060 12070 12141 12240 12312 12597 12730 12780 12920 13065 13260 13338 13490 13668 13680 13770 13845 13936 14040 14271 14472 14484 14535 14768 14807 14820 15276 15336 15390 15504 15678 15691 15912 16080 16188 16549 16614 16796 16848 17040 17085 17420 17442 17537 17680 17784 17901 18090 18105 18224 18360 18460 19028 19095 19170 19312 19380 19760 19890 20007 20235 20368 20502 20520 20904 20995 21060 21584 21641 21708 21726 22032 22152 22230 22780 22914 22933 23004 23256 23517 23785 23868 24120 24140 24282 24624 24921 25194 25460 25560 25840 26130 26163 26520 26676 26980 27135 27336 27540 27690 28080 28542 28755 28944 28968 29070 29614 29640 29835 30552 30672 30753 30780 31356 31382 31824 32376 32589 33098 33228 33345 33592 34170 34371 34840 34884 35074 35568 35802 36180 36210 36423 36720 36920 37791 38056 38190 38340 38760 39195 39780 40014 40470 41004 41040 41535 41808 41990 42120 42813 43282 43416 43452 43605 44304 44421 44460 45560 45828 45866 46008 46512 47034 47073 47570 47736 48240 48280 48564 49647 49842 50388 50920 51120 51255 52260 52326 52611 53040 53352 53960 54270 54315 54672 55080 55380 57084 57285 57510 57936 58140 59228 59280 59670 60705 61104 61506 61560 61841 62712 62764 62985 64752 64923 65178 66196 66456 66690 67184 68340 68742 68799 69680 69768 70148 70551 71355 71604 72360 72420 72846 73840 74035 74763 75582 76112 76380 76680 77520 78390 78455 79560 80028 80869 80940 82008 82745 83070 83980 84240 85626 86564 86832 86904 87210 87685 88842 88920 89505 90383 91120 91656 91732 92016 92259 94068 94146 95140 95472 96560 97128 97767 99294 99684 100035 100776 101840 102510 103113 104520 104652 105222 106704 107920 108205 108540 108630 109269 110160 110760 113373 114168 114570 114665 115020 116280 117585 118456 119340 121410 123012 123120 123682 124605 125424 125528 125970 128439 129846 130356 130815 132392 132912 133263 133380 136680 137484 137598 139536 140296 141102 141219 142710 143208 144720 144840 145692 148070 148941 149526 151164 152760 153360 153765 156780 156910 157833 159120 160056 161738 161880 162945 164016 165490 166140 167960 171252 171855 173128 173808 174420 175370 177684 177840 179010 180766 182115 183312 183464 184518 185523 188136 188292 188955 190280 194256 194769 195534 198588 199368 200070 201552 205020 206226 206397 209040 209304 210444 214065 216410 217080 217260 218538 221520 222105 226746 228336 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4452552 4468230 4471935 4501328 4534920 4609533 4674456 4699916 4734990 4770064 4797468 4852140 4880682 4947280 4953528 5009121 5063994 5083884 5137560 5193840 5256485 5330520 5361876 5366322 5422980 5441904 5503920 5565690 5626660 5644080 5648760 5681988 5822568 5843070 5874895 5957640 5962580 5981040 5996835 6146044 6165072 6191910 6307782 6313320 6354855 6396624 6469520 6507576 6550389 6678828 6702345 6751992 6778512 6802380 7011684 7049874 7102485 7149168 7155096 7230640 7278210 7321023 7380720 7420920 7430292 7575984 7595991 7682555 7706340 7790760 7821360 7995780 8049483 8134470 8249040 8255880 8348535 8410376 8439990 8473140 8733852 8741520 8764605 8905104 8936460 8943870 9069840 9219066 9287865 9348912 9399832 9461673 9469980 9594936 9704280 9761364 9907056 10018242 10127988 10167768 10275120 10512970 10574811 10661040 10723752 10732644 10845960 10917315 11131380 11253320 11297520 11363976 11645136 11686140 11749790 11915280 11925160 11993670 12201705 12292088 12383820 12615564 12626640 12659985 12709710 13015152 13100778 13357656 13404690 13415805 13503984 13604760 13828599 14023368 14099748 14204970 14310192 14556420 14642046 14841840 14860584 15191982 15365110 15412680 15581520 15769455 15991560 16098966 16268940 16511760 16697070 16820752 16879980 16946280 17467704 17529210 17624685 17872920 17887740 18438132 18575730 18799664 18923346 18939960 19189872 19408560 19522728 19974643 20036484 20255976 20335536 21025940 21149622 21447504 21465288 21691920 21834630 22262760 22506640 22727952 22787973 23047665 23372280 23499580 23850320 23987340 24148449 24403410 24584176 24767640 25045605 25231128 25319970 25419420 26201556 26715312 26809380 26831610 27209520 27657198 28046736 28199496 28385019 28409940 29112840 29284092 29721168 30383964 30730220 30825360 31538910 31724433 31983120 32197932 32537880 32751945 33394140 33759960 33892560 34935408 35058420 35249370 35745840 35775480 36605115 36876264 37151460 37846692 37879920 37979955 39045456 39949286 40072968 40247415 40511952 41485797 42051880 42299244 42930576 43669260 44525520 45575946 46095330 46744560 46999160 47308365 47974680 48296898 48806820 49535280 50091210 50462256 50639940 50838840 52403112 52874055 53618760 53663220 55314396 56398992 56770038 56819880 58225680 58568184 59923929 60767928 61460440 63077820 63448866 64395864 65075760 65503890 66788280 67519920 69142995 70116840 70498740 71550960 73210230 73752528 74302920 75693384 75959910 79898572 80145936 80494830 82971594 84103760 84598488 85155057 87338520 91151892 92190660 93998320 94616730 95173299 95949360 96593796 97613640 99873215 100182420 101279880 101677680 104806224 105748110 107237520 107326440 110628792 113540076 113639760 113939865 117136368 119847858 120742245 121535856 122920880 124457391 126155640 126897732 128791728 131007780 133576560 138285990 140233680 140997480 141925095 146420460 148605840 151386768 151919820 158622165 159797144 160989660 165943188 169196976 170310114 174677040 179771787 182303784 184381320 189233460 190346598 193187592 195227280 199746430 200364840 202559760 207428985 211496220 214652880 221257584 227080152 227879730 239695716 241484490 248914782 252311280 253795464 262015560 276571980 281994960 283850190 292840920 299619645 303839640 317244330 319594288 321979320 331886376 340620228 359543574 364607568 368762640 378466920 380693196 386375184 399492860 400729680 414857970 422992440 425775285 454160304 455759460 475866495 479391432 482968980 497829564 507590928 524031120 539315361 553143960 567700380 585681840 599239290 607679280 622286955 634488660 643958640 663772752 681240456 719087148 756933840 761386392 798985720 829715940 845984880 851550570 898858935 911518920 951732990 958782864 965937960 995659128 1078630722 1106287920 1135400760 1198478580 1244573910 1268977320 1362480912 1438174296 1522772784 1597971440 1617946083 1659431880 1703101140 1797717870 1823037840 1903465980 1931875920 1991318256 2157261444 2270801520 2396957160 2489147820 2537954640 2696576805 2876348592 3235892166 3318863760 3406202280 3595435740 3806931960 4314522888 4793914320 4978295640 5393153610 6471784332 6812404560 7190871480 7613863920 8089730415 8629045776 9956591280 10786307220 12943568664 14381742960 16179460830 21572614440 25887137328 32358921660 43145228880 64717843320 129435686640
• Sum of all divisors σ(n): 555354455040
• Sum of proper divisors (its aliquot sum) s(n): 425918768400
• 129435686640 is an abundant number, because the sum of its proper divisors (425918768400) is greater than itself. Its abundance is 296483081760

Bases of 129435686640

• Binary: 1111000100010111101111101011011110000₂
• Hexadecimal: 0x1E22F7D6F0
• Base-36: 1NGMNZ00

Squares and roots of 129435686640

• 129435686640 squared (129435686640²) is 16753596975968274489600
• 129435686640 cubed (129435686640³) is 2168513328274281187417371538944000
• The square root of 129435686640 is 359771.7146191457
• The cube root of 129435686640 is 5058.4563951169

Scales and comparisons

• 129,435,686,640 seconds is equal to 4,115 years, 34 weeks, 5 hours, 24 minutes.
• To count from 1 to 129,435,686,640 would take you about eight thousand, two hundred thirty-one 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 129435686640 cubic inches would be around 421.5 feet tall.

Recreational maths with 129435686640

• 129435686640 backwards is 046686534921
• 129435686640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129435686640's digits is 54
• More coming soon!