129724807680

Names of 129724807680

• Cardinal: 129724807680 can be written as One hundred twenty-nine billion, seven hundred twenty-four million, eight hundred seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.2972480768 × 10¹¹

Factors of 129724807680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 462

Divisors of 129724807680

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 32 34 36 39 40 45 48 51 52 60 64 65 68 72 73 78 80 85 90 96 102 104 117 120 128 130 136 144 146 153 156 160 170 180 192 195 204 208 219 221 234 240 255 256 260 272 288 292 306 312 320 340 349 360 365 384 390 408 416 438 442 468 480 510 512 520 544 576 584 585 612 624 640 657 663 680 698 720 730 765 768 780 816 832 876 884 936 949 960 1020 1040 1047 1088 1095 1105 1152 1168 1170 1224 1241 1248 1280 1314 1326 1360 1396 1440 1460 1530 1536 1560 1632 1664 1745 1752 1768 1872 1898 1920 1989 2040 2080 2094 2176 2190 2210 2304 2336 2340 2448 2482 2496 2560 2628 2652 2720 2792 2847 2880 2920 3060 3120 3141 3264 3285 3315 3328 3490 3504 3536 3723 3744 3796 3840 3978 4080 4160 4188 4352 4380 4420 4537 4608 4672 4680 4745 4896 4964 4992 5235 5256 5304 5440 5584 5694 5760 5840 5933 6120 6205 6240 6282 6528 6570 6630 6656 6980 7008 7072 7446 7488 7592 7680 7956 8160 8320 8376 8541 8704 8760 8840 9074 9344 9360 9490 9792 9928 9945 9984 10470 10512 10608 10880 11168 11169 11388 11520 11680 11866 12240 12410 12480 12564 13056 13140 13260 13611 13960 14016 14144 14235 14892 14976 15184 15705 15912 16133 16320 16640 16752 17082 17520 17680 17799 18148 18615 18688 18720 18980 19584 19856 19890 19968 20940 21024 21216 21760 22336 22338 22685 22776 23040 23360 23732 24480 24820 24960 25128 25477 26112 26280 26520 27222 27920 28032 28288 28470 29665 29784 29952 30368 31410 31824 32266 32640 33280 33504 34164 35040 35360 35598 36296 37230 37376 37440 37960 39168 39712 39780 40833 41880 42048 42432 42705 43520 44672 44676 45370 45552 46720 47464 48399 48960 49640 49920 50256 50954 52560 53040 53397 54444 55840 55845 56064 56576 56940 59330 59568 59904 60736 62820 63648 64532 65280 67008 68055 68328 70080 70720 71196 72592 74460 74880 75920 76431 77129 78336 79424 79560 80665 81666 83760 84096 84864 85410 88995 89344 89352 90740 91104 93440 94928 96798 97920 99280 99840 100512 101908 105120 106080 106794 108888 111680 111690 112128 113152 113880 118660 119136 121472 125640 127296 127385 129064 130560 134016 136110 136656 140160 141440 142392 145184 145197 148920 149760 151840 152862 154258 158848 159120 161330 163332 167520 168192 169728 170820 177990 178688 178704 181480 182208 186880 189856 193596 195840 198560 201024 203816 204165 210240 212160 213588 217776 223360 223380 227760 229293 231387 237320 238272 241995 242944 251280 254592 254770 258128 266985 268032 272220 273312 280320 282880 284784 290368 290394 297840 299520 303680 305724 308516 317696 318240 322660 326664 331201 335040 336384 339456 341640 355980 357408 362960 364416 379712 382155 385645 387192 391680 397120 402048 407632 408330 420480 424320 427176 433109 435552 446720 446760 455520 458586 462774 474640 476544 483990 485888 502560 509184 509540 516256 533970 536064 544440 546624 560640 565760 569568 580736 580788 595680 607360 611448 617032 635392 636480 645320 653328 662402 670080 683280 694161 711960 714816 725920 725985 728832 759424 764310 771290 774384 794240 804096 815264 816660 840960 848640 854352 866218 871104 893440 893520 911040 917172 925548 949280 953088 967980 993603 1005120 1018368 1019080 1032512 1067940 1088880 1093248 1139136 1146465 1156935 1161472 1161576 1191360 1214720 1222896 1234064 1272960 1290640 1299327 1306656 1324804 1340160 1366560 1388322 1423920 1429632 1451840 1451970 1457664 1518848 1528620 1542580 1548768 1588480 1608192 1630528 1633320 1656005 1681920 1697280 1708704 1732436 1742208 1787040 1822080 1834344 1851096 1898560 1906176 1935960 1987206 2010240 2038160 2065024 2135880 2165545 2177760 2186496 2278272 2292930 2313870 2322944 2323152 2382720 2429440 2445792 2468128 2545920 2581280 2598654 2613312 2649608 2680320 2733120 2776644 2847840 2859264 2903680 2903940 2980809 3037696 3057240 3085160 3097536 3176960 3261056 3266640 3312010 3417408 3464872 3470805 3484416 3574080 3644160 3668688 3702192 3797120 3871920 3897981 3974412 4020480 4076320 4130048 4271760 4331090 4355520 4372992 4556544 4585860 4627740 4646304 4765440 4891584 4936256 4968015 5091840 5162560 5197308 5226624 5299216 5466240 5553288 5630417 5695680 5718528 5807360 5807880 5961618 6114480 6170320 6195072 6496635 6522112 6533280 6624020 6834816 6929744 6941610 6968832 7148160 7288320 7337376 7404384 7594240 7743840 7795962 7948824 8040960 8152640 8260096 8543520 8662180 8711040 9113088 9171720 9255480 9292608 9530880 9783168 9872512 9936030 10325120 10394616 10453248 10598432 10932480 11106576 11260834 11391360 11614720 11615760 11923236 12228960 12340640 12390144 12993270 13044224 13066560 13248040 13669632 13859488 13883220 14296320 14674752 14808768 14904045 15188480 15487680 15591924 15897648 16305280 16891251 17087040 17324360 17422080 18343440 18510960 18585216 19489905 19566336 19745024 19872060 20650240 20789232 20906496 21196864 21864960 22213152 22521668 22782720 23231520 23846472 24457920 24681280 24780288 25986540 26133120 26496080 27339264 27718976 27766440 28152085 28592640 29349504 29617536 29808090 30975360 31183848 31795296 32610560 33782502 34174080 34648720 34844160 36686880 37021920 37170432 38979810 39132672 39490048 39744120 41300480 41578464 42393728 44426304 45043336 45565440 46463040 47692944 48915840 49362560 50673753 51973080 52266240 52992160 55437952 55532880 56304170 58699008 59235072 59616180 61950720 62367696 63590592 65221120 67565004 68348160 69297440 73373760 74043840 74340864 77959620 79488240 83156928 84456255 84787456 88852608 90086672 92926080 95385888 97831680 98725120 101347506 103946160 104532480 105984320 110875904 111065760 112608340 117398016 118470144 119232360 123901440 124735392 127181184 135130008 136696320 138594880 146747520 148087680 155919240 158976480 166313856 168912510 169574912 177705216 180173344 185852160 190771776 195663360 197450240 202695012 207892320 211968640 221751808 222131520 225216680 238464720 249470784 253368765 254362368 270260016 277189760 293495040 296175360 311838480 317952960 332627712 337825020 355410432 360346688 371704320 381543552 405390024 415784640 423937280 444263040 450433360 476929440 498941568 506737530 508724736 540520032 554379520 586990080 592350720 623676960 635905920 665255424 675650040 720693376 763087104 810780048 831569280 847874560 888526080 900866720 953858880 997883136 1013475060 1081040064 1108759040 1247353920 1271811840 1351300080 1441386752 1526174208 1621560096 1663138560 1777052160 1801733440 1907717760 1995766272 2026950120 2162080128 2494707840 2543623680 2702600160 2882773504 3243120192 3326277120 3603466880 3815435520 4053900240 4324160256 4989415680 5405200320 6486240384 7206933760 7630871040 8107800480 8648320512 9978831360 10810400640 12972480768 14413867520 16215600960 21620801280 25944961536 32431201920 43241602560 64862403840 129724807680
• Sum of all divisors σ(n): 520799479200
• Sum of proper divisors (its aliquot sum) s(n): 391074671520
• 129724807680 is an abundant number, because the sum of its proper divisors (391074671520) is greater than itself. Its abundance is 261349863840

Bases of 129724807680

• Binary: 1111000110100001100110111101000000000₂
• Hexadecimal: 0x1E34337A00
• Base-36: 1NLESU80

Squares and roots of 129724807680

• 129724807680 squared (129724807680²) is 16828525727612986982400
• 129724807680 cubed (129724807680³) is 2183077263552526801762183544832000
• The square root of 129724807680 is 360173.3022865521
• The cube root of 129724807680 is 5062.2199594157

Scales and comparisons

• 129,724,807,680 seconds is equal to 4,124 years, 44 weeks, 12 hours, 48 minutes.
• To count from 1 to 129,724,807,680 would take you about eight thousand, two hundred forty-nine 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 129724807680 cubic inches would be around 421.9 feet tall.

Recreational maths with 129724807680

• 129724807680 backwards is 086708427921
• The number of decimal digits it has is: 12
• The sum of 129724807680's digits is 54
• More coming soon!