129397981440

Names of 129397981440

• Cardinal: 129397981440 can be written as One hundred twenty-nine billion, three hundred ninety-seven million, nine hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2939798144 × 10¹¹

Factors of 129397981440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 172

Divisors of 129397981440

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 29 30 32 35 39 40 42 48 52 56 58 60 64 65 70 78 80 84 87 91 96 104 105 112 113 116 120 128 130 140 145 156 160 168 174 182 192 195 203 208 210 224 226 232 240 256 260 273 280 290 312 320 336 339 348 364 377 384 390 406 416 420 435 448 452 455 464 480 520 546 560 565 580 609 624 640 672 678 696 728 754 768 780 791 812 832 840 870 896 904 910 928 960 1015 1040 1092 1120 1130 1131 1160 1218 1248 1280 1344 1356 1365 1392 1456 1469 1508 1560 1582 1624 1664 1680 1695 1740 1792 1808 1820 1856 1885 1920 2030 2080 2184 2240 2260 2262 2320 2373 2436 2496 2639 2688 2712 2730 2784 2912 2938 3016 3045 3120 3164 3248 3277 3328 3360 3390 3480 3616 3640 3712 3770 3840 3955 4060 4160 4368 4407 4480 4520 4524 4640 4746 4872 4992 5278 5376 5424 5460 5568 5655 5824 5876 6032 6090 6240 6328 6496 6554 6720 6780 6960 7232 7280 7345 7424 7540 7910 7917 8120 8320 8736 8814 8960 9040 9048 9280 9492 9744 9831 9984 10283 10556 10848 10920 11136 11310 11648 11752 11865 12064 12180 12480 12656 12769 12992 13108 13195 13440 13560 13920 14464 14560 14690 15080 15820 15834 16240 16385 16640 17472 17628 18080 18096 18560 18984 19488 19662 20566 21112 21696 21840 22035 22272 22620 22939 23296 23504 23730 24128 24360 24960 25312 25538 25984 26216 26390 26880 27120 27840 28928 29120 29380 30160 30849 31640 31668 32480 32770 34944 35256 36160 36192 37120 37968 38307 38976 39324 39585 41132 42224 42601 43392 43680 44070 45240 45878 47008 47460 48256 48720 49155 49920 50624 51076 51415 51968 52432 52780 54240 55680 58240 58760 60320 61698 63280 63336 63845 64960 65540 68817 69888 70512 72320 72384 75936 76614 77952 78648 79170 82264 84448 85202 86784 87360 88140 89383 90480 91756 94016 94920 96512 97440 98310 101248 102152 102830 104864 105560 108480 111360 114695 116480 117520 120640 123396 126560 126672 127690 127803 129920 131080 137634 141024 144640 144768 151872 153228 154245 155904 157296 158340 164528 165997 168896 170404 174720 176280 178766 180960 183512 188032 189840 191535 194880 196620 202496 204304 205660 209728 211120 213005 216960 229390 235040 241280 246792 253120 253344 255380 255606 259840 262160 268149 275268 282048 289536 298207 303744 306456 308490 314592 316680 329056 331994 337792 340808 344085 349440 352560 357532 361920 367024 370301 376064 379680 383070 389760 393240 408608 411320 419456 422240 426010 433920 446915 458780 470080 482560 493584 497991 506240 506688 510760 511212 524320 536298 550536 564096 596414 607488 612912 616980 629184 633360 639015 658112 663988 675584 681616 688170 705120 715064 723840 734048 740602 759360 766140 779520 786480 817216 822640 829985 838912 844480 852020 893830 894621 917560 940160 987168 995982 1012480 1013376 1021520 1022424 1048640 1072596 1101072 1110903 1128192 1161979 1192828 1225824 1233960 1258368 1266720 1278030 1316224 1327976 1340745 1363232 1376340 1410240 1430128 1447680 1468096 1481204 1491035 1518720 1532280 1572960 1634432 1645280 1659970 1688960 1704040 1787660 1789242 1835120 1851505 1880320 1974336 1991964 2026752 2043040 2044848 2097280 2145192 2202144 2221806 2323958 2385656 2451648 2467920 2489955 2516736 2533440 2556060 2592107 2632448 2655952 2681490 2726464 2752680 2820480 2860256 2936192 2962408 2982070 3037440 3064560 3145920 3268864 3290560 3319940 3377920 3408080 3485937 3575320 3578484 3670240 3703010 3948672 3983928 4086080 4089696 4194560 4290384 4404288 4443612 4473105 4647916 4771312 4813913 4903296 4935840 4979910 5066880 5112120 5184214 5311904 5362980 5452928 5505360 5554515 5640960 5720512 5809895 5872384 5924816 5964140 6129120 6291840 6581120 6639880 6816160 6971874 7150640 7156968 7340480 7406020 7776321 7897344 7967856 8172160 8179392 8580768 8808576 8887224 8946210 9295832 9542624 9627826 9806592 9871680 9959820 10133760 10224240 10368428 10623808 10725960 10905856 11010720 11109030 11441024 11619790 11849632 11928280 12258240 12583680 12960535 13162240 13279760 13632320 13943748 14301280 14313936 14441739 14680960 14812040 15552642 15935712 16344320 16358784 17161536 17429685 17617152 17774448 17892420 18591664 19085248 19255652 19743360 19919640 20448480 20736856 21247616 21451920 22021440 22218060 22882048 23239580 23699264 23856560 24069565 24516480 25921070 26559520 27264640 27887496 28602560 28627872 28883478 29361920 29624080 31105284 31871424 32717568 33697391 34323072 34859370 35548896 35784840 37183328 38170496 38511304 38881605 39486720 39839280 40896960 41473712 42495232 42903840 44042880 44436120 46479160 47398528 47713120 48139130 49032960 51842140 53119040 54529280 55774992 57205120 57255744 57766956 59248160 62210568 63742848 67394782 68646144 69718740 71097792 71569680 72208695 74366656 76340992 77022608 77763210 79678560 81793920 82947424 85807680 88085760 88872240 92958320 94797056 95426240 96278260 101092173 103684280 106238080 111549984 114410240 114511488 115533912 118496320 124421136 127485696 134789564 139437480 142195584 143139360 144417390 148733312 154045216 155526420 159357120 163587840 165894848 168486955 171615360 177744480 185916640 190852480 192556520 202184346 207368560 212476160 223099968 229022976 231067824 236992640 248842272 269579128 278874960 284391168 286278720 288834780 297466624 308090432 311052840 318714240 331789696 336973910 343230720 355488960 371833280 381704960 385113040 404368692 414737120 446199936 462135648 473985280 497684544 505460865 539158256 557749920 572557440 577669560 616180864 622105680 637428480 663579392 673947820 710977920 743666560 770226080 808737384 829474240 892399872 924271296 995369088 1010921730 1078316512 1115499840 1145114880 1155339120 1232361728 1244211360 1347895640 1421955840 1487333120 1540452160 1617474768 1658948480 1848542592 1990738176 2021843460 2156633024 2230999680 2310678240 2488422720 2695791280 3080904320 3234949536 3317896960 3697085184 4043686920 4313266048 4461999360 4621356480 4976845440 5391582560 6161808640 6469899072 8087373840 8626532096 9242712960 9953690880 10783165120 12939798144 16174747680 18485425920 21566330240 25879596288 32349495360 43132660480 64698990720 129397981440
• Sum of all divisors σ(n): 530870296320
• Sum of proper divisors (its aliquot sum) s(n): 401472314880
• 129397981440 is an abundant number, because the sum of its proper divisors (401472314880) is greater than itself. Its abundance is 272074333440

Bases of 129397981440

• Binary: 1111000100000101110001000000100000000₂
• Hexadecimal: 0x1E20B88100
• Base-36: 1NG07THC

Squares and roots of 129397981440

• 129397981440 squared (129397981440²) is 16743837600746584473600
• 129397981440 cubed (129397981440³) is 2166618787095780667858284969984000
• The square root of 129397981440 is 359719.3092398573
• The cube root of 129397981440 is 5057.9651636845

Scales and comparisons

• 129,397,981,440 seconds is equal to 4,114 years, 23 weeks, 4 days, 19 hours, 44 minutes.
• To count from 1 to 129,397,981,440 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 129397981440 cubic inches would be around 421.5 feet tall.

Recreational maths with 129397981440

• 129397981440 backwards is 044189793921
• The number of decimal digits it has is: 12
• The sum of 129397981440's digits is 57
• More coming soon!