129940218720

Names of 129940218720

• Cardinal: 129940218720 can be written as One hundred twenty-nine billion, nine hundred forty million, two hundred eighteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2994021872 × 10¹¹

Factors of 129940218720

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 269

Divisors of 129940218720

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 19 20 24 26 30 32 36 38 39 40 45 48 52 53 57 60 61 65 72 76 78 80 90 95 96 104 106 113 114 117 120 122 130 144 152 156 159 160 171 180 183 190 195 208 212 226 228 234 240 244 247 260 265 285 288 304 305 312 318 339 342 360 366 380 390 416 424 452 456 468 477 480 488 494 520 530 549 565 570 585 608 610 624 636 678 684 689 720 732 741 760 780 793 795 848 855 904 912 915 936 954 976 988 1007 1017 1040 1060 1098 1130 1140 1159 1170 1220 1235 1248 1272 1356 1368 1378 1440 1464 1469 1482 1520 1560 1586 1590 1695 1696 1710 1808 1824 1830 1872 1908 1952 1976 2014 2034 2067 2080 2120 2147 2196 2223 2260 2280 2318 2340 2379 2385 2440 2470 2544 2712 2736 2745 2756 2928 2938 2964 3021 3040 3120 3172 3180 3233 3390 3420 3445 3477 3616 3660 3705 3744 3816 3952 3965 4028 4068 4134 4240 4294 4392 4407 4446 4520 4560 4636 4680 4758 4770 4880 4940 5035 5085 5088 5424 5472 5490 5512 5795 5856 5876 5928 5989 6042 6201 6240 6344 6360 6441 6466 6780 6840 6890 6893 6954 7137 7320 7345 7410 7632 7904 7930 8056 8136 8268 8480 8588 8784 8814 8892 9040 9063 9120 9272 9360 9516 9540 9699 9760 9880 10070 10170 10335 10431 10735 10848 10980 11024 11115 11590 11752 11856 11895 11978 12084 12402 12688 12720 12882 12932 13091 13221 13560 13680 13780 13786 13908 14274 14640 14690 14820 15067 15105 15264 15860 16112 16165 16272 16536 17176 17385 17568 17628 17784 17967 18080 18126 18544 18720 19032 19080 19323 19398 19760 20140 20340 20670 20679 20862 21470 21960 22035 22048 22230 23180 23504 23712 23790 23956 24168 24804 25376 25440 25764 25864 26182 26442 27120 27360 27560 27572 27816 27911 28548 29097 29280 29380 29640 29945 30134 30210 31005 31720 32205 32224 32330 32544 33072 34352 34465 34770 35256 35568 35685 35934 36252 37088 38064 38160 38646 38796 39273 39520 40280 40680 41340 41358 41724 42029 42940 43920 44070 44460 45201 45315 46360 47008 47580 47912 48336 48495 49608 51528 51728 52155 52364 52884 53901 54240 55120 55144 55632 55822 57096 58194 58760 59280 59890 60268 60420 61427 62010 62037 63440 64410 64660 65455 66105 66144 68704 68930 69540 70512 71136 71370 71868 72504 75335 76128 76320 77292 77592 77857 78546 80560 81360 82680 82716 83448 83733 84058 85880 87840 88140 88920 89609 89835 90402 90630 92720 95160 95824 96615 96672 96990 99216 103056 103395 103456 104310 104728 105768 107802 110240 110288 111264 111644 113791 114192 116388 117520 117819 118560 119780 120536 120840 122854 124020 124074 126087 126880 128820 129320 130910 130967 132210 135603 137860 139080 139555 141024 142740 143736 145008 145485 150670 154584 155184 155714 157092 161120 162720 165360 165432 166896 167466 168116 171760 176280 177840 179218 179670 180804 181260 184281 185440 190320 191648 193230 193980 196365 198432 206112 206790 208620 209456 210145 211536 215604 220576 223288 226005 227582 228384 232776 233571 235040 235638 239560 241072 241680 245708 248040 248148 251199 252174 257640 258640 261820 261934 264420 268827 269505 271206 275720 278160 279110 285480 287472 290016 290970 301340 307135 309168 310185 310368 311428 314184 330720 330864 333792 334932 336232 341373 343520 352560 355680 358436 359340 361608 362520 365329 368562 378261 380640 386460 387960 389285 392730 392901 413580 417240 418665 418912 420290 423072 431208 446576 448045 452010 455164 465552 467142 471276 479120 482144 483360 491416 496080 496296 502398 504348 515280 517280 523640 523868 528840 537654 539010 542412 551440 552843 556320 558220 568955 570960 574944 581940 589095 602680 614270 618336 620370 622856 628368 630435 654835 661728 669864 672464 678015 682746 700713 705120 716872 718680 723216 725040 730658 737124 756522 772920 775920 778570 785460 785802 798551 806481 827160 834480 837330 840580 862416 893152 896090 904020 910328 921405 931104 934284 942552 958240 982832 992160 992592 1004796 1008696 1024119 1030560 1047280 1047736 1057680 1075308 1078020 1084824 1095987 1102880 1105686 1116440 1137910 1141920 1163880 1167855 1178190 1178703 1205360 1228540 1240740 1245712 1255995 1256736 1260870 1309670 1339728 1344135 1344928 1356030 1365492 1401426 1433744 1437360 1446432 1450080 1461316 1474248 1479283 1513044 1545840 1551840 1557140 1570920 1571604 1597102 1612962 1654320 1668960 1674660 1681160 1702571 1706865 1724832 1792180 1808040 1820656 1826645 1842810 1868568 1885104 1891305 1964505 1965664 1985184 2009592 2017392 2048238 2094560 2095472 2115360 2150616 2156040 2169648 2191974 2211372 2232880 2275820 2327760 2335710 2356380 2357406 2395653 2410720 2457080 2481480 2491424 2511990 2521740 2619340 2679456 2688270 2712060 2730984 2764215 2802852 2867488 2874720 2922632 2948496 2958566 3026088 3091680 3114280 3141840 3143208 3194204 3225924 3287961 3308640 3349320 3362320 3405142 3413730 3503565 3584360 3616080 3641312 3653290 3685620 3737136 3770208 3782610 3929010 3992755 4019184 4032405 4034784 4096476 4190944 4301232 4312080 4339296 4383948 4422744 4437849 4465760 4551640 4655520 4671420 4712760 4714812 4749277 4791306 4914160 4962960 5023980 5043480 5107713 5120595 5238680 5376540 5424120 5461968 5479935 5528430 5605704 5845264 5893515 5896992 5917132 6052176 6228560 6283680 6286416 6388408 6451848 6575922 6698640 6724640 6810284 6827460 6941251 7007130 7168720 7186959 7232160 7306580 7371240 7396415 7474272 7565220 7858020 7985510 8038368 8064810 8192952 8512855 8602464 8624160 8767896 8845488 8875698 9103280 9342840 9425520 9429624 9498554 9582612 9828320 9925920 10047960 10086960 10215426 10241190 10477360 10753080 10848240 10923936 10959870 11056860 11211408 11690528 11787030 11834264 11978265 12104352 12457120 12572832 12776816 12903696 13151844 13313547 13397280 13620568 13654920 13882502 14014260 14247831 14337440 14373918 14613160 14742480 14792830 15130440 15323139 15716040 15971020 16129620 16385904 16439805 17025710 17535792 17690976 17751396 18206560 18685680 18851040 18859248 18997108 19165224 20095920 20173920 20430852 20482380 20823753 20954720 21506160 21696480 21919740 22113720 22189245 22422816 23574060 23668528 23746385 23956530 25538565 25553632 25807392 26303688 26627094 27241136 27309840 27765004 28028520 28495662 28747836 29226320 29484960 29585660 30260880 30646278 31432080 31942040 32259240 32771808 32879610 34051420 34706255 35071584 35502792 35934795 37371360 37718496 37994216 38330448 40191840 40861704 40964760 41647506 42743493 43012320 43839480 44227440 44378490 47148120 47337056 47492770 47913060 51077130 52607376 53254188 54482272 54619680 55530008 56057040 56991324 57495672 58452640 59171320 60521760 61292556 62471259 62864160 63884080 64518480 65759220 66567735 68102840 69412510 71005584 71239155 71869590 75988432 76615695 76660896 81723408 81929520 83295012 85486986 87678960 88454880 88756980 90236263 94296240 94985540 95826120 102154260 104118765 105214752 106508376 111060016 112114080 113982648 114991344 118342640 122585112 124942518 127768160 129036960 131518440 133135470 136205680 138825020 142011168 142478310 143739180 151976864 153231390 163446816 163859040 166590024 170973972 175357920 177513960 180472526 188592480 189971080 191652240 204308520 208237530 213016752 213717465 222120032 227965296 229982688 236685280 245170224 249885036 263036880 266270940 270708789 272411360 277650040 284956620 287478360 306462780 312356295 333180048 341947944 355027920 360945052 379942160 383304480 408617040 416475060 426033504 427434930 451181315 455930592 490340448 499770072 526073760 532541880 541417578 555300080 569913240 574956720 612925560 624712590 666360096 683895888 710055840 721890104 759884320 812126367 817234080 832950120 854869860 902362630 999540144 1065083760 1082835156 1110600160 1139826480 1149913440 1225851120 1249425180 1353543945 1367791776 1443780208 1624252734 1665900240 1709739720 1804725260 1999080288 2130167520 2165670312 2279652960 2451702240 2498850360 2707087890 2887560416 3248505468 3331800480 3419479440 3609450520 4060631835 4331340624 4997700720 5414175780 6497010936 6838958880 7218901040 8121263670 8662681248 9995401440 10828351560 12994021872 14437802080 16242527340 21656703120 25988043744 32485054680 43313406240 64970109360 129940218720
• Sum of all divisors σ(n): 525150138240
• Sum of proper divisors (its aliquot sum) s(n): 395209919520
• 129940218720 is an abundant number, because the sum of its proper divisors (395209919520) is greater than itself. Its abundance is 265269700800

Bases of 129940218720

• Binary: 1111001000001000010100110001101100000₂
• Hexadecimal: 0x1E410A6360
• Base-36: 1NOZ1UG0

Squares and roots of 129940218720

• 129940218720 squared (129940218720²) is 16884460441001438438400
• 129940218720 cubed (129940218720³) is 2193970482672914566520311246848000
• The square root of 129940218720 is 360472.2162941271
• The cube root of 129940218720 is 5065.0203876579

Scales and comparisons

• 129,940,218,720 seconds is equal to 4,131 years, 36 weeks, 1 day, 17 hours, 12 minutes.
• To count from 1 to 129,940,218,720 would take you about eight thousand, two hundred sixty-three 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 129940218720 cubic inches would be around 422.1 feet tall.

Recreational maths with 129940218720

• 129940218720 backwards is 027812049921
• 129940218720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129940218720's digits is 45
• More coming soon!