129328912440

Names of 129328912440

• Cardinal: 129328912440 can be written as One hundred twenty-nine billion, three hundred twenty-eight million, nine hundred twelve thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2932891244 × 10¹¹

Factors of 129328912440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 534

Divisors of 129328912440

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 27 28 30 35 36 39 40 42 45 49 52 54 56 60 63 65 70 72 78 81 84 90 91 98 104 105 108 117 120 126 130 135 140 147 156 162 168 180 182 189 195 196 210 216 223 234 245 252 260 270 273 280 281 294 312 315 324 351 360 364 378 390 392 405 420 441 446 455 468 490 504 520 540 546 562 567 585 588 630 637 648 669 702 728 735 756 780 810 819 840 843 882 892 910 936 945 980 1053 1080 1092 1115 1124 1134 1170 1176 1260 1274 1323 1338 1365 1404 1405 1470 1512 1560 1561 1620 1638 1686 1755 1764 1784 1820 1890 1911 1960 1967 2007 2106 2184 2205 2230 2248 2268 2340 2457 2520 2529 2548 2646 2676 2730 2808 2810 2835 2899 2940 3122 3185 3240 3276 3345 3372 3510 3528 3640 3653 3780 3822 3934 3969 4014 4095 4212 4215 4410 4460 4536 4680 4683 4914 5058 5096 5265 5292 5352 5460 5620 5670 5733 5798 5880 5901 6021 6244 6370 6552 6615 6690 6744 7020 7306 7371 7560 7587 7644 7805 7868 7938 8028 8190 8424 8430 8697 8820 8920 9366 9555 9828 9835 10035 10116 10530 10584 10920 10927 10959 11240 11340 11466 11596 11802 12042 12285 12488 12645 12740 13230 13380 13769 14040 14049 14495 14612 14742 15174 15288 15610 15736 15876 16056 16380 16860 17199 17394 17640 17703 18063 18265 18732 19110 19656 19670 19845 20070 20232 20293 21060 21854 21918 22680 22761 22932 23192 23415 23604 24084 24570 25290 25480 25571 26091 26460 26760 27538 28098 28665 28990 29224 29484 29505 30105 30348 31220 31752 32760 32781 32877 33720 34398 34788 35406 36126 36530 36855 37464 37935 38220 39340 39690 40140 40586 41307 42120 42147 43485 43708 43836 45522 45864 46830 47208 48168 49140 50580 51142 51597 52182 52920 53109 54635 54795 55076 56196 57330 57980 58968 59010 60210 60696 60879 62440 62663 65562 65754 68796 68845 69576 70245 70812 72252 73060 73710 75870 76440 76713 78273 78680 79380 80280 81172 82614 84294 85995 86970 87416 87672 88515 90315 91044 93660 98280 98343 98631 101160 101465 102284 103194 104364 106218 109270 109590 110152 112392 113805 114660 115960 118020 120420 121758 123921 125326 126441 127855 130455 131124 131508 137592 137690 140490 141624 142051 144504 146120 147420 151740 153426 156546 158760 159327 162344 163905 164385 165228 168588 171990 173940 177030 178997 180630 182088 182637 187320 187989 196686 197262 202930 204568 206388 206535 208728 210735 212436 218540 219180 227610 229320 230139 234819 236040 240840 243516 247842 250652 252882 255710 257985 260910 262248 263016 265545 275380 280980 284102 294840 295029 295893 303480 304395 306852 313092 313315 318654 327810 328770 330456 337176 343980 347880 354060 357994 361260 365274 371763 375978 383565 391365 393372 394524 405860 412776 413070 421470 424872 426153 437080 438360 438641 455220 460278 469638 487032 491715 493155 495684 501304 505764 511420 515970 521820 531090 536991 547911 550760 561960 563967 568204 590058 591786 608790 613704 619605 626184 626630 632205 637308 655620 657540 687960 690417 708120 710255 715988 722520 730548 743526 751956 767130 782730 786744 789048 796635 811720 814619 826140 842940 852306 877282 885087 894985 910440 913185 920556 939276 939945 983430 986310 991368 1011528 1022840 1031940 1043640 1062180 1073982 1095822 1115289 1127934 1136408 1150695 1174095 1180116 1183572 1217580 1239210 1253260 1264410 1274616 1278459 1311240 1315080 1315923 1380834 1420510 1431976 1461096 1475145 1479465 1487052 1503912 1534260 1565460 1593270 1610973 1629238 1643733 1652280 1685880 1691901 1704612 1754564 1770174 1789970 1826370 1841112 1858815 1878552 1879890 1966860 1972620 2063880 2071251 2124360 2130765 2147964 2191644 2193205 2230578 2255868 2301390 2348190 2360232 2367144 2435160 2443857 2478420 2506520 2528820 2556918 2631846 2684955 2739555 2761668 2819835 2841020 2950290 2958930 2974104 3068520 3070487 3130920 3186540 3221946 3258476 3287466 3383802 3409224 3452085 3509128 3540348 3579940 3652740 3717630 3759780 3835377 3933720 3945240 3947769 4073095 4142502 4261530 4295928 4383288 4386410 4425435 4461156 4511736 4602780 4696380 4832919 4887714 4956840 5057640 5075703 5113836 5263692 5369910 5479110 5523336 5576445 5639670 5682040 5702333 5900580 5917860 6140974 6373080 6392295 6443892 6516952 6574932 6579615 6767604 6904170 7080696 7159880 7305480 7331571 7435260 7519560 7670754 7895538 8054865 8146190 8218665 8285004 8459505 8523060 8772820 8850870 8922312 9205560 9211461 9392760 9665838 9775428 10151406 10227672 10356255 10527384 10739820 10958220 11152890 11279340 11404666 11506131 11801160 11835720 11843307 12219285 12281948 12784590 12887784 13149864 13159230 13535208 13808340 14498757 14663142 14870520 15341508 15352435 15791076 16109730 16292380 16437330 16570008 16919010 17046120 17106999 17545640 17701740 18422922 19176885 19331676 19550856 19738845 20302812 20712510 21479640 21916440 21994713 22305780 22558680 22809332 23012262 23686614 24164595 24438570 24563896 25378515 25569180 26318460 27616680 27634383 28511665 28997514 29326284 30683016 30704870 31582152 32219460 32584760 32874660 33838020 34213998 35403480 35529921 36657855 36845844 38353770 38663352 39477690 39916331 40605624 41425020 43989426 44611560 45618664 46024524 46057305 47373228 48329190 48877140 50757030 51138360 51320997 52636920 55268766 57023330 57530655 57995028 58652568 59216535 61409740 64438920 65749320 65984139 67676040 68427996 71059842 72493785 73315710 73691688 76707540 78955380 79832662 82850040 82903149 85534995 87978852 92049048 92114610 94746456 96658380 97754280 101514060 102641994 109973565 110537532 114046660 115061310 115990056 118433070 119748993 122819480 131968278 136855992 138171915 142119684 144987570 146631420 153415080 153962991 157910760 159665324 165806298 171069990 175957704 177649605 184229220 193316760 199581655 203028120 205283988 219947130 221075064 228093320 230122620 236866140 239497986 248709447 256604985 263936556 276343830 284239368 289975140 293262840 307925982 319330648 329920695 331612596 342139980 355299210 359246979 368458440 399163310 410567976 414515745 439894260 460245240 461888973 473732280 478995972 497418894 513209970 527873112 552687660 579950280 598744965 615851964 659841390 663225192 684279960 710598420 718493958 769814955 798326620 829031490 879788520 923777946 957991944 994837788 1026419940 1077740937 1105375320 1197489930 1231703928 1243547235 1319682780 1421196840 1436987916 1539629910 1596653240 1658062980 1796234895 1847555892 1989675576 2052839880 2155481874 2309444865 2394979860 2487094470 2639365560 2873975832 3079259820 3233222811 3316125960 3592469790 3695111784 4310963748 4618889730 4789959720 4974188940 5388704685 6158519640 6466445622 7184939580 8621927496 9237779460 9948377880 10777409370 12932891244 14369879160 16166114055 18475558920 21554818740 25865782488 32332228110 43109637480 64664456220 129328912440
• Sum of all divisors σ(n): 548943816960
• Sum of proper divisors (its aliquot sum) s(n): 419614904520
• 129328912440 is an abundant number, because the sum of its proper divisors (419614904520) is greater than itself. Its abundance is 290285992080

Bases of 129328912440

• Binary: 1111000011100100110101001100000111000₂
• Hexadecimal: 0x1E1C9A9838
• Base-36: 1NEV3FI0

Squares and roots of 129328912440

• 129328912440 squared (129328912440²) is 16725967592913186753600
• 129328912440 cubed (129328912440³) is 2163151198298147094177702254784000
• The square root of 129328912440 is 359623.2924047051
• The cube root of 129328912440 is 5057.0650703757

Scales and comparisons

• 129,328,912,440 seconds is equal to 4,112 years, 13 weeks, 3 days, 9 hours, 54 minutes.
• To count from 1 to 129,328,912,440 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 129328912440 cubic inches would be around 421.4 feet tall.

Recreational maths with 129328912440

• 129328912440 backwards is 044219823921
• 129328912440 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129328912440's digits is 45
• More coming soon!