129013531920

Names of 129013531920

• Cardinal: 129013531920 can be written as One hundred twenty-nine billion, thirteen million, five hundred thirty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2901353192 × 10¹¹

Factors of 129013531920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1800

Divisors of 129013531920

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 29 30 35 36 39 40 42 45 48 52 54 56 58 60 63 65 70 72 78 80 84 87 90 91 104 105 108 112 116 117 120 126 130 135 140 144 145 156 168 169 174 180 182 189 195 203 208 210 216 232 234 240 252 260 261 270 273 280 290 312 315 336 338 348 351 360 364 377 378 390 406 420 432 435 455 464 468 504 507 520 522 540 546 560 580 585 609 624 630 676 696 702 720 728 754 756 780 783 812 819 840 845 870 910 936 945 1008 1014 1015 1040 1044 1080 1092 1131 1160 1170 1183 1218 1260 1305 1352 1365 1392 1404 1456 1508 1512 1521 1560 1566 1624 1638 1680 1690 1740 1741 1755 1820 1827 1872 1885 1890 2028 2030 2088 2160 2184 2262 2320 2340 2366 2436 2457 2520 2535 2610 2639 2704 2730 2808 3016 3024 3042 3045 3120 3132 3248 3276 3380 3393 3480 3482 3510 3549 3640 3654 3770 3780 3915 4056 4060 4095 4176 4368 4524 4563 4680 4732 4872 4901 4914 5040 5070 5220 5223 5278 5460 5481 5616 5655 5915 6032 6084 6090 6264 6552 6760 6786 6960 6964 7020 7098 7280 7308 7540 7560 7605 7830 7917 8112 8120 8190 8705 9048 9126 9135 9360 9464 9744 9802 9828 10140 10179 10440 10446 10556 10647 10920 10962 11310 11830 12168 12180 12187 12285 12528 13104 13195 13520 13572 13928 14040 14196 14616 14703 15080 15120 15210 15660 15669 15834 16240 16380 16965 17410 17745 18096 18252 18270 18928 19604 19656 20280 20358 20880 20892 21112 21294 21840 21924 22620 22633 22815 23660 23751 24336 24360 24374 24505 24570 26115 26390 27144 27405 27856 28080 28392 29232 29406 30160 30420 31320 31338 31668 31941 32760 33930 34307 34820 35490 36504 36540 36561 39208 39312 39585 40560 40716 41784 42224 42588 43848 44109 45240 45266 45630 47007 47320 47502 48720 48748 49010 49140 50489 50895 52230 52780 53235 54288 54810 56784 58812 60840 60935 62640 62676 63336 63882 65520 67860 67899 68614 69640 70980 71253 73008 73080 73122 73515 78345 78416 79170 81432 83568 85176 87696 88218 90480 90532 91260 94014 94640 95004 97496 98020 98280 100978 101790 102921 104460 105560 106470 109620 109683 113165 117624 118755 121680 121870 125352 126672 127764 132327 135720 135798 137228 139280 141960 142506 146160 146244 147030 151467 156690 158340 158431 159705 162864 170352 171535 176436 181064 182520 182805 188028 190008 194992 196040 196560 201956 203580 203697 205842 208920 211120 212940 219240 219366 220545 226330 235035 235248 237510 243740 250704 252445 255528 264654 271440 271596 274456 283920 285012 292488 294060 294229 302934 308763 313380 316680 316862 319410 329049 339495 343070 352872 353423 356265 362128 365040 365610 376056 380016 392080 403912 407160 407394 411684 417840 425880 438480 438732 441090 452660 454401 470070 475020 475293 487480 504890 511056 514605 529308 543192 548415 548912 570024 584976 588120 588458 605868 611091 617526 626760 633360 633724 638820 656357 658098 661635 678990 686140 705744 706846 712530 731220 752112 757335 792155 807824 814320 814788 823368 851760 877464 882180 882687 905320 908802 926289 940140 950040 950586 974960 1009780 1018485 1029210 1058616 1060269 1086384 1096830 1140048 1176240 1176916 1211736 1222182 1235052 1253520 1267448 1277640 1312714 1316196 1323270 1357980 1363203 1372280 1413692 1425060 1425879 1462440 1471145 1514670 1543815 1584310 1629576 1645245 1646736 1754928 1764360 1765374 1767115 1810640 1817604 1852578 1880280 1900080 1901172 1969071 2019560 2036970 2058420 2059603 2117232 2120538 2193660 2272005 2353832 2376465 2423472 2444364 2470104 2534896 2555280 2625428 2632392 2646540 2648061 2715960 2726406 2744560 2827384 2850120 2851758 2924880 2942290 3029340 3055455 3087630 3168620 3180807 3259152 3281785 3290490 3528720 3530748 3534230 3635208 3705156 3760560 3802344 3938142 4039120 4073940 4116840 4119206 4241076 4277637 4387320 4413435 4544010 4594499 4631445 4707664 4752930 4888728 4940208 5250856 5264784 5293080 5296122 5301345 5431920 5452812 5654768 5700240 5703516 5884580 5907213 6058680 6110910 6175260 6178809 6337240 6361614 6563570 6580980 6816015 7061496 7068460 7129395 7270416 7410312 7604688 7876284 7944183 8147880 8233680 8238412 8482152 8532641 8555274 8774640 8826870 9088020 9188998 9262890 9505860 9542421 9777456 9845355 10298015 10501712 10586160 10592244 10602690 10905624 11407032 11769160 11814426 12117360 12221820 12350520 12357618 12674480 12723228 13127140 13161960 13240305 13632030 13783497 14122992 14136920 14258790 14820624 15752568 15888366 15904035 16295760 16476824 16964304 17065282 17110548 17653740 17721639 18176040 18377996 18525780 18536427 19011720 19084842 19690710 20596030 21184488 21205380 21388185 21811248 22814064 22972495 23538320 23628852 24443640 24701040 24715236 25446456 25597923 26254280 26323920 26480610 27264060 27566994 28273840 28517580 29536065 30894045 31505136 31776732 31808070 32953648 34130564 34221096 35307480 35443278 36352080 36755992 37051560 37072854 38023440 38169684 39381420 39720915 41192060 41350491 42368976 42410760 42663205 42776370 45944990 47257704 47712105 48887280 49430472 50892912 51195846 52508560 52961220 54528120 55133988 55609281 57035160 59072130 59728487 61788090 63553464 63616140 68261128 68442192 68917485 70614960 70886556 73511984 74103120 74145708 76339368 76793769 78762840 79441830 82384120 82700982 84821520 85326410 85552740 88608195 91889980 92682135 94515408 95424210 98860944 102391692 105922440 109056240 110267976 111218562 114070320 118144260 119456974 123576180 124051473 127106928 127232280 127989615 136522256 137834970 141773112 148291416 152678736 153587538 157525680 158883660 164768240 165401964 170652820 171105480 177216390 179185461 183779960 185364270 190848420 204783384 206752455 211844880 220535952 222437124 230381307 236288520 238913948 247152360 248102946 254464560 255979230 275669940 278046405 283546224 296582832 298642435 307175076 317767320 330803928 341305640 342210960 354432780 358370922 367559920 370728540 381696840 383968845 409566768 413504910 444874248 460762614 472577040 477827896 494304720 496205892 511958460 537556383 551339880 556092810 597284870 614350152 620257365 635534640 661607856 682611280 708865560 716741844 741457080 763393680 767937690 827009820 889748496 895927305 921525228 955655792 992411784 1023916920 1075112766 1102679760 1112185620 1151906535 1194569740 1228700304 1240514730 1417731120 1433483688 1482914160 1535875380 1612669149 1654019640 1791854610 1843050456 1984823568 2047833840 2150225532 2224371240 2303813070 2389139480 2481029460 2687781915 2866967376 3071750760 3225338298 3308039280 3583709220 3686100912 4300451064 4448742480 4607626140 4778278960 4962058920 5375563830 6143501520 6450676596 7167418440 8063345745 8600902128 9215252280 9924117840 10751127660 12901353192 14334836880 16126691490 18430504560 21502255320 25802706384 32253382980 43004510640 64506765960 129013531920
• Sum of all divisors σ(n): 569224281600
• Sum of proper divisors (its aliquot sum) s(n): 440210749680
• 129013531920 is an abundant number, because the sum of its proper divisors (440210749680) is greater than itself. Its abundance is 311197217760

Bases of 129013531920

• Binary: 1111000001001110011100100010100010000₂
• Hexadecimal: 0x1E09CE4510
• Base-36: 1N9NBQC0

Squares and roots of 129013531920

• 129013531920 squared (129013531920²) is 16644491418472858886400
• 129013531920 cubed (129013531920³) is 2147364624909314257594222053888000
• The square root of 129013531920 is 359184.5374177457
• The cube root of 129013531920 is 5052.9510173575

Scales and comparisons

• 129,013,531,920 seconds is equal to 4,102 years, 12 weeks, 4 hours, 12 minutes.
• To count from 1 to 129,013,531,920 would take you about eight thousand, two hundred 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 129013531920 cubic inches would be around 421.1 feet tall.

Recreational maths with 129013531920

• 129013531920 backwards is 029135310921
• 129013531920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129013531920's digits is 36
• More coming soon!