129901988945820

Names of 129901988945820

• Cardinal: 129901988945820 can be written as One hundred twenty-nine trillion, nine hundred one billion, nine hundred eighty-eight million, nine hundred forty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.2990198894582 × 10¹⁴

Factors of 129901988945820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 200179

Divisors of 129901988945820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 127 130 140 156 182 195 210 254 260 273 364 381 390 420 455 508 546 635 762 780 889 910 941 1092 1270 1365 1524 1651 1778 1820 1882 1905 2540 2667 2730 2823 3302 3556 3764 3810 4445 4705 4953 5334 5460 5646 6587 6604 7620 8255 8890 9410 9906 10668 11292 11557 12233 13174 13335 14115 16510 17780 18820 19761 19812 23114 24466 24765 26348 26670 28230 32935 33020 34671 36699 39522 46228 48932 49530 53340 56460 57785 61165 65870 69342 73398 79044 85631 98805 99060 115570 119507 122330 131740 138684 146796 171262 173355 183495 197610 199081 231140 239014 244660 256893 342524 346710 358521 366990 395220 398162 428155 478028 513786 597243 597535 693420 717042 733980 796324 836549 856310 995405 1027572 1194486 1195070 1284465 1393567 1434084 1553591 1673098 1712620 1792605 1990810 2388972 2390140 2509647 2568930 2588053 2787134 2986215 3107182 3346196 3585210 3981620 4180701 4182745 4660773 5019294 5137860 5176106 5574268 5972430 6214364 6967835 7170420 7764159 7767955 8361402 8365490 9321546 10038588 10352212 10875137 11944860 12548235 12940265 13935670 15528318 15535910 16722804 16730980 18116371 18643092 20903505 21750274 23303865 25096470 25283287 25880530 27871340 31056636 31071820 32625411 36232742 38820795 41807010 43500548 46607730 50192940 50566574 51761060 54349113 54375685 65250822 72465484 75849861 77641590 83614020 90581855 93215460 101133148 108698226 108751370 126416435 130501644 151699722 155283180 163127055 176983009 181163710 187335221 217396452 217502740 252832870 271745565 303399444 326254110 328682731 353966018 362327420 374670442 379249305 505665740 530949027 543491130 562005663 652508220 657365462 707932036 749340884 758498610 884915045 936676105 986048193 1061898054 1086982260 1124011326 1311346547 1314730924 1516997220 1643413655 1769830090 1873352210 1972096386 2123796108 2248022652 2300779117 2435357873 2622693094 2654745135 2810028315 3286827310 3539660180 3746704420 3934039641 3944192772 4601558234 4870715746 4930240965 5245386188 5309490270 5620056630 6556732735 6573654620 6902337351 7306073619 7868079282 9203116468 9741431492 9860481930 10618980540 11240113260 11503895585 12176789365 13113465470 13804674702 14612147238 15736158564 17047505111 19670198205 19720963860 23007791170 23791573067 24353578730 26226930940 27609349404 29224294476 34095010222 34511686755 36530368095 39340396410 46015582340 47583146134 48707157460 51142515333 68190020444 69023373510 71374719201 73060736190 78680792820 85237525555 95166292268 102285030666 118957865335 138046747020 142749438402 146121472380 166541011469 170475051110 204570061332 237915730670 255712576665 285498876804 309290449871 333082022938 340950102220 356873596005 475831461340 499623034407 511425153330 618580899742 666164045876 713747192010 832705057345 927871349613 999246068814 1022850306660 1237161799484 1427494384020 1546452249355 1665410114690 1855742699226 1998492137628 2165033149097 2498115172035 3092904498710 3330820229380 3711485398452 4330066298194 4639356748065 4996230344070 6185808997420 6495099447291 8660132596388 9278713496130 9992460688140 10825165745485 12990198894582 18557426992260 21650331490970 25980397789164 32475497236455 43300662981940 64950994472910 129901988945820
• Sum of all divisors σ(n): 451668883341312
• Sum of proper divisors (its aliquot sum) s(n): 321766894395492
• 129901988945820 is an abundant number, because the sum of its proper divisors (321766894395492) is greater than itself. Its abundance is 191864905449672

Bases of 129901988945820

• Binary: 11101100010010100101001111010000001111110011100₂
• Hexadecimal: 0x762529E81F9C
• Base-36: 1A1O5E8XWC

Squares and roots of 129901988945820

• 129901988945820 squared (129901988945820²) is 16874526732079941474895472400
• 129901988945820 cubed (129901988945820³) is 2192034585016592646248424202744766905368000
• The square root of 129901988945820 is 11397455.3715213117
• The cube root of 129901988945820 is 50645.2361157515

Scales and comparisons

• 129,901,988,945,820 seconds is equal to 4,130,481 years, 22 weeks, 4 days, 10 hours, 17 minutes.
• To count from 1 to 129,901,988,945,820 would take you about ten million, three hundred twenty-six thousand, two hundred three 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 129901988945820 cubic inches would be around 4220.4 feet tall.

Recreational maths with 129901988945820

• 129901988945820 backwards is 028549889109921
• The number of decimal digits it has is: 15
• The sum of 129901988945820's digits is 75
• More coming soon!