129397201920

Names of 129397201920

• Cardinal: 129397201920 can be written as One hundred twenty-nine billion, three hundred ninety-seven million, two hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2939720192 × 10¹¹

Factors of 129397201920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 99

Divisors of 129397201920

• Number of divisors d(n): 1320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 29 30 32 35 36 40 42 45 48 53 54 56 58 60 63 64 70 72 80 81 84 87 90 96 105 106 108 112 116 120 126 128 135 140 144 145 159 160 162 168 174 180 189 192 203 210 212 216 224 232 240 252 256 261 265 270 280 288 290 315 318 320 324 336 348 360 371 378 384 405 406 420 424 432 435 448 464 477 480 504 512 522 530 540 560 567 576 580 609 630 636 640 648 672 696 720 742 756 768 783 795 810 812 840 841 848 864 870 896 928 945 954 960 1008 1015 1024 1044 1060 1080 1113 1120 1134 1152 1160 1218 1260 1272 1280 1296 1305 1344 1392 1431 1440 1484 1512 1536 1537 1566 1590 1620 1624 1680 1682 1696 1728 1740 1792 1827 1855 1856 1890 1908 1920 2016 2030 2088 2120 2160 2226 2240 2268 2304 2320 2349 2385 2436 2520 2523 2544 2560 2592 2610 2688 2784 2835 2862 2880 2968 3024 3045 3072 3074 3132 3180 3240 3248 3339 3360 3364 3392 3456 3480 3584 3654 3710 3712 3780 3816 3840 3915 4032 4060 4176 4205 4240 4293 4320 4452 4480 4536 4608 4611 4640 4698 4770 4872 5040 5046 5088 5120 5184 5220 5376 5481 5565 5568 5670 5724 5760 5887 5936 6048 6090 6148 6264 6360 6480 6496 6678 6720 6728 6784 6912 6960 7155 7168 7308 7420 7424 7560 7569 7632 7680 7685 7830 8064 8120 8352 8410 8480 8586 8640 8904 8960 9072 9135 9216 9222 9280 9396 9540 9744 10017 10080 10092 10176 10368 10440 10752 10759 10962 11130 11136 11340 11448 11520 11745 11774 11872 12096 12180 12296 12528 12615 12720 12960 12992 13356 13440 13456 13568 13824 13833 13920 14310 14616 14840 14848 15120 15138 15264 15360 15370 15660 16128 16240 16443 16695 16704 16820 16960 17172 17280 17661 17808 17920 18144 18270 18444 18560 18792 19080 19488 20034 20160 20184 20352 20736 20880 21465 21504 21518 21924 22260 22272 22680 22707 22896 23040 23055 23490 23548 23744 24192 24360 24592 25056 25230 25440 25920 25984 26712 26880 26912 27136 27405 27648 27666 27840 28620 29232 29435 29680 29696 30051 30240 30276 30528 30740 31320 32256 32277 32480 32886 33390 33408 33640 33920 34344 34560 35322 35616 35840 36288 36540 36888 37120 37584 37845 38160 38976 40068 40320 40368 40704 41472 41499 41760 42930 43036 43848 44520 44544 44573 45360 45414 45792 46080 46110 46980 47096 47488 48384 48720 49184 50085 50112 50460 50880 51840 51968 52983 53424 53760 53795 53824 54272 54810 55332 55680 57240 58464 58870 59360 60102 60480 60552 61056 61480 62640 64512 64554 64960 65772 66780 66816 67280 67840 68121 68688 69120 69165 70644 71232 72576 73080 73776 74240 75168 75690 76320 77952 80136 80640 80736 81408 82215 82944 82998 83520 85860 86072 87696 88305 89040 89088 89146 90720 90828 91584 92220 93960 94192 94976 96768 96831 97440 98368 100170 100224 100920 101760 103680 103936 105966 106848 107520 107590 107648 109620 110664 111360 113535 114480 116928 117740 118720 120204 120960 121104 122112 122960 124497 125280 129108 129920 131544 133560 133632 133719 134560 135680 136242 137376 138240 138330 141288 142464 145152 146160 147552 148480 150255 150336 151380 152640 155904 158949 160272 161280 161385 161472 162816 164430 165996 167040 171720 172144 175392 176610 178080 178292 181440 181656 183168 184440 187920 188384 189952 193536 193662 194880 196736 200340 200448 201840 203520 207360 207495 207872 211932 213696 215180 215296 219240 221328 222720 222865 227070 228960 233856 235480 237440 240408 241920 242208 244224 245920 248994 250560 258216 259840 263088 264915 267120 267264 267438 269120 271360 272484 274752 276660 282576 284928 290304 290493 292320 295104 300510 300672 302760 305280 311808 312011 317898 320544 322560 322770 322944 328860 331992 334080 340605 343440 344288 350784 353220 356160 356584 362880 363312 366336 368880 375840 376768 379904 387324 389760 393472 400680 400896 401157 403680 407040 414720 414990 423864 427392 430360 430592 438480 442656 445440 445730 454140 457920 467712 470960 474880 476847 480816 483840 484155 484416 488448 491840 497988 501120 516432 519680 526176 529830 534240 534876 538240 544968 549504 553320 565152 569856 580608 580986 584640 590208 601020 601344 605520 610560 622485 623616 624022 635796 641088 645540 645888 657720 663984 668160 668595 681210 686880 688576 701568 706440 712320 713168 725760 726624 732672 737760 751680 753536 774648 779520 786944 794745 801360 801792 802314 807360 814080 829980 847728 854784 860720 861184 871479 876960 885312 891460 908280 915840 935424 936033 941920 949760 953694 961632 967680 968310 968832 983680 995976 1002240 1032864 1039360 1052352 1059660 1068480 1069752 1076480 1089936 1099008 1106640 1130304 1139712 1161972 1169280 1180416 1202040 1202688 1203471 1211040 1221120 1244970 1248044 1271592 1282176 1291080 1291776 1315440 1327968 1336320 1337190 1362420 1373760 1377152 1403136 1412880 1424640 1426336 1451520 1452465 1453248 1465344 1475520 1503360 1507072 1549296 1559040 1560055 1573888 1589490 1602720 1604628 1614720 1659960 1695456 1709568 1721440 1742958 1753920 1770624 1782920 1816560 1831680 1870848 1872066 1883840 1899520 1907388 1923264 1936620 1937664 1967360 1991952 2004480 2005785 2065728 2104704 2119320 2136960 2139504 2152960 2179872 2198016 2213280 2260608 2323944 2338560 2360832 2384235 2404080 2405376 2406942 2422080 2442240 2489940 2496088 2543184 2564352 2582160 2583552 2630880 2655936 2674380 2724840 2747520 2754304 2806272 2808099 2825760 2849280 2852672 2903040 2904930 2906496 2951040 3006720 3014144 3098592 3118080 3120110 3178980 3205440 3209256 3229440 3319920 3390912 3419136 3442880 3485916 3507840 3541248 3565840 3610413 3633120 3663360 3744132 3767680 3814776 3846528 3873240 3875328 3934720 3983904 4008960 4011570 4131456 4209408 4238640 4273920 4279008 4305920 4357395 4359744 4396032 4426560 4521216 4647888 4677120 4680165 4721664 4768470 4808160 4813884 4844160 4979880 4992176 5086368 5128704 5164320 5261760 5311872 5348760 5449680 5495040 5508608 5612544 5616198 5651520 5698560 5705344 5809860 5812992 5902080 6013440 6017355 6028288 6197184 6240220 6357960 6410880 6418512 6458880 6639840 6781824 6885760 6971832 7015680 7082496 7131680 7220826 7266240 7326720 7488264 7535360 7629552 7693056 7746480 7750656 7869440 7967808 8023140 8262912 8418816 8424297 8477280 8547840 8558016 8714790 8719488 8853120 9042432 9295776 9354240 9360330 9536940 9616320 9627768 9688320 9959760 9984352 10172736 10257408 10328640 10523520 10623744 10697520 10899360 10990080 11017216 11232396 11303040 11410688 11619720 11625984 11804160 12026880 12034710 12394368 12480440 12715920 12821760 12837024 12917760 13279680 13563648 13771520 13943664 14031360 14040495 14164992 14263360 14441652 14532480 14976528 15070720 15259104 15386112 15492960 15935616 16046280 16525824 16837632 16848594 16954560 17095680 17116032 17429580 17438976 17706240 18052065 18084864 18591552 18720660 19073880 19232640 19255536 19376640 19919520 19968704 20345472 20657280 21047040 21247488 21395040 21798720 21980160 22464792 22606080 22821376 23239440 23251968 23608320 24069420 24788736 24960880 25272891 25431840 25643520 25674048 26559360 27127296 27543040 27887328 28062720 28080990 28526720 28883304 29064960 29953056 30141440 30518208 30772224 30985920 31871232 32092560 33051648 33697188 33909120 34232064 34859160 34877952 35412480 36104130 37183104 37441320 38147760 38465280 38511072 38753280 39839040 39937408 40690944 41314560 42094080 42121485 42494976 42790080 43597440 44929584 45212160 45642752 46478880 48138840 49577472 49921760 50545782 50863680 51287040 51348096 53118720 54254592 55086080 55774656 56161980 57053440 57766608 58129920 59906112 61036416 61971840 63742464 64185120 67394376 67818240 68464128 69718320 69755904 70824960 72208260 74366208 74882640 76295520 76930560 77022144 79678080 79874816 81381888 82629120 84188160 84242970 85580160 87194880 89859168 90424320 92957760 96277680 99154944 99843520 101091564 101727360 102696192 106237440 111549312 112323960 114106880 115533216 116259840 119812224 122072832 123943680 126364455 127484928 128370240 134788752 135636480 136928256 139436640 144416520 148732416 149765280 152591040 153861120 154044288 159356160 159749632 162763776 165258240 168485940 171160320 174389760 179718336 185915520 192555360 199687040 202183128 203454720 205392384 212474880 223098624 224647920 228213760 231066432 239624448 244145664 247887360 252728910 256740480 269577504 271272960 278873280 288833040 297464832 299530560 305182080 308088576 318712320 319499264 336971880 342320640 348779520 359436672 371831040 385110720 399374080 404366256 406909440 410784768 446197248 449295840 462132864 479248896 488291328 495774720 505457820 513480960 539155008 557746560 577666080 599061120 610364160 616177152 637424640 673943760 684641280 718873344 743662080 770221440 798748160 808732512 813818880 892394496 898591680 924265728 958497792 1010915640 1026961920 1078310016 1115493120 1155332160 1198122240 1220728320 1232354304 1347887520 1437746688 1487324160 1540442880 1597496320 1617465024 1797183360 1848531456 2021831280 2053923840 2156620032 2230986240 2310664320 2396244480 2441456640 2695775040 2875493376 3080885760 3234930048 3594366720 3697062912 4043662560 4313240064 4461972480 4621328640 4792488960 5391550080 6161771520 6469860096 7188733440 8087325120 8626480128 9242657280 10783100160 12939720192 14377466880 16174650240 18485314560 21566200320 25879440384 32349300480 43132400640 64698600960 129397201920
• Sum of all divisors σ(n): 559186097184
• Sum of proper divisors (its aliquot sum) s(n): 429788895264
• 129397201920 is an abundant number, because the sum of its proper divisors (429788895264) is greater than itself. Its abundance is 300391693344

Bases of 129397201920

• Binary: 1111000100000101011001001110000000000₂
• Hexadecimal: 0x1E20AC9C00
• Base-36: 1NFZR400

Squares and roots of 129397201920

• 129397201920 squared (129397201920²) is 16743635864725251686400
• 129397201920 cubed (129397201920³) is 2166579630862807197787921317888000
• The square root of 129397201920 is 359718.2257267485
• The cube root of 129397201920 is 5057.9550069241

Scales and comparisons

• 129,397,201,920 seconds is equal to 4,114 years, 22 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 129,397,201,920 would take you about eight thousand, two hundred twenty-eight 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 129397201920 cubic inches would be around 421.5 feet tall.

Recreational maths with 129397201920

• 129397201920 backwards is 029102793921
• 129397201920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129397201920's digits is 45
• More coming soon!