129321450720

Names of 129321450720

• Cardinal: 129321450720 can be written as One hundred twenty-nine billion, three hundred twenty-one million, four hundred fifty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2932145072 × 10¹¹

Factors of 129321450720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 45

Divisors of 129321450720

• Number of divisors d(n): 2016
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 20 21 22 24 27 28 30 32 33 34 35 36 40 42 44 45 48 49 51 54 55 56 60 63 66 68 70 72 77 80 81 84 85 88 90 96 98 99 102 105 108 110 112 119 120 121 126 132 135 136 140 144 147 153 154 160 162 165 168 170 176 180 187 189 196 198 204 210 216 220 224 231 238 240 242 243 245 252 255 264 270 272 280 288 294 297 306 308 315 324 330 336 340 352 357 360 363 374 378 385 392 396 405 408 420 432 440 441 459 462 476 480 484 486 490 495 504 510 528 539 540 544 560 561 567 588 594 595 605 612 616 630 648 660 672 680 693 714 720 726 729 735 748 756 765 770 784 792 810 816 833 840 847 864 880 882 891 918 924 935 945 952 968 972 980 990 1008 1020 1056 1071 1078 1080 1089 1120 1122 1134 1155 1176 1188 1190 1210 1215 1224 1232 1260 1296 1309 1320 1323 1331 1360 1377 1386 1428 1440 1452 1458 1470 1485 1496 1512 1530 1540 1568 1584 1617 1620 1632 1666 1680 1683 1694 1701 1760 1764 1782 1785 1815 1836 1848 1870 1890 1904 1936 1944 1960 1980 2016 2040 2057 2079 2142 2156 2160 2178 2205 2244 2268 2295 2310 2352 2376 2380 2420 2430 2448 2464 2499 2520 2541 2592 2618 2640 2646 2662 2673 2695 2720 2754 2772 2805 2835 2856 2904 2916 2940 2970 2992 3024 3060 3080 3168 3213 3234 3240 3267 3332 3360 3366 3388 3402 3465 3528 3564 3570 3630 3645 3672 3696 3740 3780 3808 3872 3888 3920 3927 3960 3969 3993 4080 4114 4131 4158 4165 4235 4284 4312 4320 4356 4410 4455 4488 4536 4590 4620 4704 4752 4760 4840 4851 4860 4896 4998 5040 5049 5082 5103 5236 5280 5292 5324 5346 5355 5390 5445 5508 5544 5610 5670 5712 5808 5832 5880 5929 5940 5984 6048 6120 6160 6171 6237 6426 6468 6480 6534 6545 6615 6655 6664 6732 6776 6804 6885 6930 7056 7128 7140 7260 7290 7344 7392 7480 7497 7560 7623 7776 7840 7854 7920 7938 7986 8019 8085 8160 8228 8262 8316 8330 8415 8470 8505 8568 8624 8712 8820 8910 8976 9072 9163 9180 9240 9317 9504 9520 9639 9680 9702 9720 9801 9996 10080 10098 10164 10206 10285 10395 10472 10584 10648 10692 10710 10780 10890 11016 11088 11220 11340 11424 11616 11664 11760 11781 11858 11880 11907 11979 12240 12320 12342 12393 12474 12495 12705 12852 12936 12960 13068 13090 13230 13310 13328 13365 13464 13552 13608 13770 13860 14112 14256 14280 14399 14520 14553 14580 14688 14960 14994 15120 15147 15246 15708 15840 15876 15972 16038 16065 16170 16335 16456 16524 16632 16660 16830 16940 17010 17136 17248 17424 17640 17787 17820 17952 18144 18326 18360 18480 18513 18634 18711 19040 19278 19360 19404 19440 19602 19635 19845 19965 19992 20196 20328 20412 20570 20655 20790 20944 21168 21296 21384 21420 21560 21780 22032 22176 22440 22491 22627 22680 22869 23328 23520 23562 23716 23760 23814 23958 24255 24480 24684 24786 24948 24990 25245 25410 25515 25704 25872 26136 26180 26460 26620 26656 26730 26928 27104 27216 27489 27540 27720 27951 28512 28560 28798 28917 29040 29106 29160 29403 29645 29920 29988 30240 30294 30492 30855 31185 31416 31752 31944 32076 32130 32340 32670 32912 33048 33264 33320 33660 33880 34020 34272 34848 35280 35343 35574 35640 35721 35937 36652 36720 36960 37026 37268 37422 37485 38115 38556 38808 38880 39204 39270 39690 39930 39984 40095 40392 40656 40824 41140 41310 41580 41888 42336 42592 42768 42840 43120 43197 43560 43659 44064 44880 44982 45254 45360 45441 45738 45815 46585 47124 47432 47520 47628 47916 48195 48510 49005 49368 49572 49896 49980 50490 50820 51030 51408 51744 52272 52360 52920 53240 53361 53460 53856 54432 54978 55080 55440 55539 55902 56133 57120 57596 57834 58080 58212 58320 58806 58905 59290 59535 59895 59976 60588 60984 61710 61965 62370 62832 63504 63888 64152 64260 64680 65219 65340 65824 66096 66528 66640 67320 67473 67760 67881 68040 68607 70560 70686 71148 71280 71442 71874 71995 72765 73304 73440 74052 74536 74844 74970 75735 76230 77112 77616 78408 78540 79380 79860 79968 80190 80784 81312 81648 82280 82467 82620 83160 83853 85536 85680 86240 86394 86751 87120 87318 88209 88935 89760 89964 90508 90720 90882 91476 91630 92565 93170 93555 94248 94864 95256 95832 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11875248 11996424 12074832 12095160 12145140 12218580 12349260 12440736 12573792 12671120 12723480 12806640 12829509 12937320 13194720 13304676 13329360 13359654 13416480 13584186 13607055 13880160 13995828 14087304 14113440 14255010 14407470 14514192 14662296 14844060 14995530 15093540 15205344 15268176 15367968 15524784 15550920 15652560 15717240 15848217 15995232 16126880 16193520 16291440 16328466 16465680 16495083 16630845 16964640 17106012 17249760 17288964 17494785 17609130 17739568 17812872 18112248 18142740 18327870 18661104 18783072 19006680 19085220 19209960 19405980 19432224 19549728 19758816 19792080 19957014 19994040 20124720 20734560 20956320 20993742 21130956 21382515 21611205 21771288 21811680 21993444 22174460 22266090 22640310 22808016 23051952 23326380 23478840 23750496 23992848 24149664 24190320 24290280 24437160 24492699 24698520 25342240 25446960 25613280 25659018 25874640 26413695 26609352 26658720 26719308 27168372 27214110 27491805 27991656 28174608 28510020 28814940 29028384 29324592 29688120 29935521 29991060 30187080 30536352 31049568 31101840 31305120 31434480 31696434 32387040 32582880 32656932 32931360 32990166 33261690 33399135 33960465 34212024 34577928 34989570 35218260 35479136 35625744 36224496 36285480 36655740 37322208 38013360 38170440 38419920 38488527 38811960 39584160 39914028 39988080 40249440 40821165 41987484 42261912 42765030 43222410 43542576 43986888 44348920 44532180 45280620 45616032 46103904 46652760 46957680 47544651 47985696 48380640 48580560 48874320 48985398 49397040 49892535 50893920 51318036 51749280 52484355 52827390 53218704 53438616 54336744 54428220 54983610 55983312 56349216 57020040 57629880 58649184 59376240 59871042 59982120 60374160 62203680 62868960 63392868 64147545 65313864 65980332 66523380 66798270 67920930 68424048 69155856 69979140 70436520 71251488 72448992 72570960 73311480 73478097 76026720 76340880 76839840 76977054 77623920 79241085 79828056 79976160 81642330 82475415 83974968 84523824 85530060 86444820 87085152 87973776 88697840 89064360 89806563 90561240 93305520 93915360 95089302 97161120 97748640 97970796 98794080 99785070 102636072 104968710 105654780 106437408 106877232 108673488 108856440 109967220 111966624 114040080 115259760 115465581 118752480 119742084 119964240 120748320 122463495 126785736 128295090 130627728 131960664 133046760 133596540 135841860 136848096 138311712 139958280 140873040 145141920 146622960 146956194 149677605 152681760 153954108 155247840 158482170 159656112 163284660 164950830 167949936 169047648 171060120 172889640 175947552 177395680 178128720 179613126 181122480 186611040 190178604 192442635 195941592 199570140 205272144 209937420 211309560 213754464 217346976 217712880 219934440 228080160 230519520 230931162 237723255 239484168 239928480 244926990 253571472 256590180 261255456 263921328 266093520 267193080 269419689 271683720 279916560 281746080 293245920 293912388 299355210 307908216 316964340 319312224 326569320 329901660 335899872 342120240 345779280 356257440 359226252 362244960 367390485 380357208 384885270 391883184 399140280 410544288 419874840 422619120 435425760 439868880 449032815 461862324 475446510 478968336 489853980 507142944 513180360 527842656 532187040 534386160 538839378 543367440 559833120 577327905 587824776 598710420 615816432 633928680 653138640 659803320 684240480 691558560 718452504 734780970 760714416 769770540 783766368 798280560 808259067 839749680 845238240 879737760 898065630 923724648 950893020 957936672 979707960 1026360720 1068772320 1077678756 1086734880 1154655810 1175649552 1197420840 1231632864 1267857360 1306277280 1319606640 1347098445 1436905008 1469561940 1521428832 1539541080 1596561120 1616518134 1679499360 1796131260 1847449296 1901786040 1959415920 2052721440 2155357512 2309311620 2351299104 2394841680 2535714720 2639213280 2694196890 2873810016 2939123880 3079082160 3233036268 3592262520 3694898592 3803572080 3918831840 4041295335 4310715024 4618623240 4789683360 5388393780 5878247760 6158164320 6466072536 7184525040 7607144160 8082590670 8621430048 9237246480 10776787560 11756495520 12932145072 14369050080 16165181340 18474492960 21553575120 25864290144 32330362680 43107150240 64660725360 129321450720
• Sum of all divisors σ(n): 620583749856
• Sum of proper divisors (its aliquot sum) s(n): 491262299136
• 129321450720 is an abundant number, because the sum of its proper divisors (491262299136) is greater than itself. Its abundance is 361940848416

Bases of 129321450720

• Binary: 1111000011100001010001011110011100000₂
• Hexadecimal: 0x1E1C28BCE0
• Base-36: 1NEQNI00

Squares and roots of 129321450720

• 129321450720 squared (129321450720²) is 16724037616325388518400
• 129321450720 cubed (129321450720³) is 2162776806439049998767119413248000
• The square root of 129321450720 is 359612.9178992323
• The cube root of 129321450720 is 5056.9678115633

Scales and comparisons

• 129,321,450,720 seconds is equal to 4,112 years, 1 week, 1 day, 1 hour, 12 minutes.
• To count from 1 to 129,321,450,720 would take you about eight thousand, two hundred twenty-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 129321450720 cubic inches would be around 421.4 feet tall.

Recreational maths with 129321450720

• 129321450720 backwards is 027054123921
• 129321450720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129321450720's digits is 36
• More coming soon!