129208800420

Names of 129208800420

• Cardinal: 129208800420 can be written as One hundred twenty-nine billion, two hundred eight million, eight hundred thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.2920880042 × 10¹¹

Factors of 129208800420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1371

Divisors of 129208800420

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 31 35 36 38 42 45 57 60 62 63 70 76 84 90 93 95 105 114 124 126 133 140 151 155 171 180 186 190 210 217 228 252 266 279 285 302 310 315 342 372 380 399 420 434 453 465 532 558 570 589 604 620 630 651 665 684 755 798 855 868 906 930 1057 1085 1116 1140 1153 1178 1197 1260 1302 1330 1359 1395 1510 1596 1710 1767 1812 1860 1953 1995 2114 2170 2265 2306 2356 2394 2604 2660 2718 2790 2869 2945 3020 3171 3255 3420 3459 3534 3906 3990 4123 4228 4340 4530 4612 4681 4788 5285 5301 5436 5580 5738 5765 5890 5985 6342 6510 6795 6918 7068 7812 7980 8071 8246 8607 8835 9060 9362 9513 9765 10377 10570 10602 11476 11530 11780 11970 12369 12684 13020 13590 13836 14043 14345 15855 16142 16492 17214 17295 17670 18724 19026 19530 20083 20615 20754 21140 21204 21907 23060 23405 23940 24213 24738 25821 26505 27180 28086 28690 31710 32284 32767 34428 34590 35340 35743 37107 38052 39060 40166 40355 41230 41508 42129 43035 43814 46810 47565 48426 49476 51642 51885 53010 56172 57380 60249 61845 63420 65534 65721 69180 70215 71486 72639 74214 80332 80710 82460 84258 86070 87628 88939 93620 95130 96852 98301 100415 103284 103770 106020 107229 109535 120498 121065 123690 129105 131068 131442 140430 142972 145278 148428 153349 161420 163835 168516 172140 174103 177878 178715 180747 185535 190260 196602 197163 200830 207540 210645 214458 219070 240996 242130 247380 250201 258210 262884 266817 280860 290556 294903 301245 306698 321687 327670 328605 348206 355756 357430 361494 363195 371070 393204 394326 401660 421290 428916 438140 444695 460047 484260 491505 500402 516420 522309 533634 536145 589806 602490 613396 622573 643374 655340 657210 679117 696412 714860 722988 726390 742140 750603 766745 788652 800451 842580 870515 889390 903735 920094 983010 985815 1000804 1044618 1067268 1072290 1179612 1204980 1218721 1245146 1251005 1286748 1314420 1334085 1358234 1380141 1452780 1474515 1501206 1533490 1566927 1600902 1608435 1741030 1778780 1807470 1840188 1867719 1966020 1971630 2037351 2089236 2144580 2251809 2300235 2437442 2490292 2502010 2611545 2668170 2716468 2760282 2949030 3002412 3066980 3112865 3133854 3201804 3216870 3307957 3395585 3482060 3614940 3656163 3735438 3753015 3943260 4002255 4074702 4503618 4600470 4753819 4874884 5004020 5223090 5336340 5397193 5520564 5603157 5898060 6093605 6112053 6225730 6267708 6433740 6615914 6791170 6900705 7312326 7470876 7506030 7834635 8004510 8149404 9007236 9200940 9338595 9507638 9923871 10186755 10446180 10794386 10968489 11206314 11259045 12187210 12224106 12451460 13231828 13582340 13801410 14261457 14624652 15012060 15669270 16009020 16191579 16539785 18280815 18677190 19015276 19847742 20373510 21588772 21936978 22412628 22518090 23155699 23769095 24374420 24448212 26985965 27602820 28015785 28522914 29771613 30560265 31338540 32383158 33079570 36561630 37354380 37780351 39695484 40747020 42784371 43873956 45036180 46311398 47538190 48574737 49619355 53971930 54842445 56031570 57045828 59543226 61120530 64766316 66159140 69467097 71307285 73123260 75560702 80957895 85568742 92622796 95076380 97149474 99238710 102546667 107943860 109684890 112063140 113341053 115778495 119086452 122241060 138934194 142614570 148858065 151121404 161915790 171137484 188901755 194298948 198477420 205093334 208401291 213921855 219369780 226682106 231556990 242873685 277868388 285229140 297716130 307640001 323831580 340023159 347335485 377803510 410186668 416802582 427843710 453364212 463113980 485747370 512733335 566705265 595432260 615280002 680046318 694670970 717826669 755607020 833605164 855687420 922920003 971494740 1025466670 1042006455 1133410530 1230560004 1360092636 1389341940 1435653338 1538200005 1700115795 1845840006 2050933340 2084012910 2153480007 2266821060 2871306676 3076400010 3400231590 3589133345 3691680012 4168025820 4306960014 4614600015 6152800020 6460440021 6800463180 7178266690 8613920028 9229200030 10767400035 12920880042 14356533380 18458400060 21534800070 25841760084 32302200105 43069600140 64604400210 129208800420
• Sum of all divisors σ(n): 490356572160
• Sum of proper divisors (its aliquot sum) s(n): 361147771740
• 129208800420 is an abundant number, because the sum of its proper divisors (361147771740) is greater than itself. Its abundance is 231938971320

Bases of 129208800420

• Binary: 1111000010101011100011101010010100100₂
• Hexadecimal: 0x1E1571D4A4
• Base-36: 1NCVL0H0

Squares and roots of 129208800420

• 129208800420 squared (129208800420²) is 16694914105975392176400
• 129208800420 cubed (129208800420³) is 2157129824748017177151697034088000
• The square root of 129208800420 is 359456.2566154607
• The cube root of 129208800420 is 5055.4990311755

Scales and comparisons

• 129,208,800,420 seconds is equal to 4,108 years, 22 weeks, 6 days, 5 hours, 27 minutes.
• To count from 1 to 129,208,800,420 would take you about eight thousand, two hundred sixteen 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 129208800420 cubic inches would be around 421.3 feet tall.

Recreational maths with 129208800420

• 129208800420 backwards is 024008802921
• 129208800420 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129208800420's digits is 36
• More coming soon!