129403746720

Names of 129403746720

• Cardinal: 129403746720 can be written as One hundred twenty-nine billion, four hundred three million, seven hundred forty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2940374672 × 10¹¹

Factors of 129403746720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1109

Divisors of 129403746720

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 37 40 45 48 54 60 72 74 80 81 90 96 108 111 120 135 144 148 160 162 180 185 216 222 240 270 288 296 324 333 360 370 405 421 432 444 480 540 555 592 641 648 666 720 740 810 842 864 888 999 1080 1110 1184 1263 1282 1296 1332 1440 1480 1620 1665 1684 1776 1923 1998 2105 2160 2220 2526 2564 2592 2664 2960 2997 3205 3240 3330 3368 3552 3789 3846 3996 4210 4320 4440 4995 5052 5128 5328 5769 5920 5994 6315 6410 6480 6660 6736 7578 7692 7992 8420 8880 9615 9990 10104 10256 10656 11367 11538 11988 12630 12820 12960 13320 13472 14985 15156 15384 15577 15984 16840 17307 17760 18945 19230 19980 20208 20512 22734 23076 23717 23976 25260 25640 26640 28845 29970 30312 30768 31154 31968 33680 34101 34614 37890 38460 39960 40416 45468 46152 46731 47434 47952 50520 51280 51921 53280 56835 57690 59940 60624 61536 62308 67360 68202 69228 71151 75780 76920 77885 79920 86535 90936 92304 93462 94868 95904 101040 102560 103842 113670 115380 118585 119880 121248 124616 136404 138456 140193 142302 151560 153840 155770 159840 170505 173070 181872 184608 186924 189736 202080 207684 213453 227340 230760 233655 237170 239760 249232 259605 269861 272808 276912 280386 284604 303120 307680 311540 341010 346140 355755 363744 373848 379472 415368 420579 426906 454680 461520 467310 474340 479520 498464 519210 539722 545616 553824 560772 569208 606240 623080 640359 682020 692280 700965 711510 747696 758944 809583 830736 841158 853812 909360 923040 934620 948680 1038420 1067265 1079444 1091232 1121544 1138416 1246160 1261737 1280718 1349305 1364040 1384560 1401930 1423020 1495392 1619166 1661472 1682316 1707624 1818720 1869240 1897360 1921077 2076840 2102895 2134530 2158888 2243088 2276832 2428749 2492320 2523474 2561436 2698610 2728080 2769120 2803860 2846040 3201795 3238332 3364632 3415248 3738480 3794720 3842154 4047915 4153680 4205790 4269060 4317776 4486176 4857498 5046948 5122872 5397220 5456160 5607720 5692080 6308685 6403590 6476664 6729264 6830496 7286247 7476960 7684308 8095830 8307360 8411580 8538120 8635552 9605385 9714996 9984857 10093896 10245744 10794440 11215440 11384160 12143745 12617370 12807180 12953328 13458528 14572494 15368616 16191660 16823160 17076240 19210770 19429992 19969714 20187792 20491488 21588880 21858741 22430880 24287490 25234740 25614360 25906656 29144988 29954571 30737232 32383320 33646320 34152480 36431235 38421540 38859984 39939428 40375584 43177760 43717482 48574980 49924285 50469480 51228720 58289976 59909142 61474464 64766640 67292640 72862470 76843080 77719968 79878856 87434964 89863713 97149960 99848570 100938960 102457440 109293705 116579952 119818284 129533280 145724940 149772855 153686160 159757712 174869928 179727426 194299920 199697140 201877920 218587410 233159904 239636568 269591139 291449880 299545710 307372320 319515424 349739856 359454852 388599840 399394280 437174820 449318565 479273136 539182278 582899760 599091420 699479712 718909704 798788560 808773417 874349640 898637130 958546272 1078364556 1165799520 1198182840 1347955695 1437819408 1597577120 1617546834 1748699280 1797274260 2156729112 2396365680 2695911390 2875638816 3235093668 3497398560 3594548520 4043867085 4313458224 4792731360 5391822780 6470187336 7189097040 8087734170 8626916448 10783645560 12940374672 14378194080 16175468340 21567291120 25880749344 32350936680 43134582240 64701873360 129403746720
• Sum of all divisors σ(n): 470877832656
• Sum of proper divisors (its aliquot sum) s(n): 341474085936
• 129403746720 is an abundant number, because the sum of its proper divisors (341474085936) is greater than itself. Its abundance is 212070339216

Bases of 129403746720

• Binary: 1111000100001000100000111100110100000₂
• Hexadecimal: 0x1E211079A0
• Base-36: 1NG3NE00

Squares and roots of 129403746720

• 129403746720 squared (129403746720²) is 16745329665173910758400
• 129403746720 cubed (129403746720³) is 2166908398735067152531876712448000
• The square root of 129403746720 is 359727.3227320939
• The cube root of 129403746720 is 5058.0402811683

Scales and comparisons

• 129,403,746,720 seconds is equal to 4,114 years, 33 weeks, 1 day, 13 hours, 12 minutes.
• To count from 1 to 129,403,746,720 would take you about eight thousand, two hundred twenty-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 129403746720 cubic inches would be around 421.5 feet tall.

Recreational maths with 129403746720

• 129403746720 backwards is 027647304921
• 129403746720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129403746720's digits is 45
• More coming soon!