129991678688970

Names of 129991678688970

• Cardinal: 129991678688970 can be written as One hundred twenty-nine trillion, nine hundred ninety-one billion, six hundred seventy-eight million, six hundred eighty-eight thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.2999167868897 × 10¹⁴

Factors of 129991678688970

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 230724

Divisors of 129991678688970

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 29 30 35 42 45 54 58 63 70 81 87 90 105 126 127 135 145 162 174 189 203 210 243 254 261 270 290 315 378 381 405 406 435 486 522 567 609 630 635 729 762 783 810 870 889 945 1015 1134 1143 1215 1218 1270 1305 1458 1566 1701 1778 1827 1890 1905 2030 2187 2286 2349 2430 2610 2667 2835 3045 3402 3429 3645 3654 3683 3810 3915 4374 4445 4698 5103 5334 5481 5670 5715 6090 6858 7047 7290 7366 7830 8001 8505 8890 9135 10206 10287 10935 10962 11049 11430 11745 13335 14094 15309 16002 16443 17010 17145 18270 18415 20574 21141 21870 22098 23490 24003 25515 25781 26670 27405 30618 30861 32886 33147 34290 35235 36830 40005 42282 48006 49329 51030 51435 51562 54810 55245 61722 63423 66294 70470 72009 76545 77343 80010 82215 92583 98658 99441 102870 105705 110490 120015 126846 128905 144018 147987 153090 154305 154686 164430 165735 185166 198882 211410 216027 230551 232029 240030 246645 257810 277749 295974 298323 308610 317115 331470 360045 386715 432054 443961 461102 462915 464058 493290 497205 555498 596646 634230 648081 691653 696087 720090 739935 773430 887922 894969 925830 994410 1080135 1152755 1160145 1296162 1383306 1388745 1392174 1479870 1491615 1613857 1789938 1944243 2074959 2088261 2160270 2219805 2305510 2320290 2684907 2777490 2983230 3227714 3240405 3458265 3480435 3888486 4149918 4176522 4439610 4474845 4841571 5369814 6224877 6264783 6480810 6685979 6916530 6960870 8054721 8069285 8949690 9683142 9721215 10374795 10441305 12449754 12529566 13371958 13424535 14524713 16109442 16138570 18674631 18794349 19442430 20057937 20749590 20882610 24207855 26849070 29049426 29279977 31124385 31323915 33429895 37349262 37588698 40115874 40273605 43574139 46801853 48415710 56023893 56383047 58559954 60173811 62248770 62647830 66859790 72623565 80547210 87148278 87839931 93373155 93603706 93971745 100289685 112047786 112766094 120347622 130722417 140405559 145247130 146399885 168071679 175679862 180521433 186746310 187943490 200579370 204959839 217870695 234009265 261444834 263519793 280119465 280811118 281915235 292799770 300869055 336143358 361042866 392167251 409919678 421216677 435741390 439199655 468018530 504215037 527039586 541564299 560238930 563830470 601738110 614879517 653612085 702027795 784334502 790559379 840358395 842433354 849119333 878399310 902607165 1008430074 1024799195 1083128598 1176501753 1229759034 1263650031 1307224170 1317598965 1404055590 1581118758 1624692897 1680716790 1698238666 1805214330 1844638551 1960836255 2049598390 2106083385 2353003506 2371678137 2521075185 2527300062 2547357999 2635197930 2707821495 3074397585 3249385794 3529505259 3689277102 3790950093 3921672510 3952796895 4212166770 4245596665 4743356274 4874078691 5042150370 5094715998 5415642990 5533915653 5882508765 5943835331 6148795170 6318250155 7059010518 7115034411 7581900186 7642073997 7905593790 8123464485 8491193330 9223192755 9748157382 11067831306 11372850279 11765017530 11858390685 11887670662 12636500310 12736789995 14230068822 14622236073 15284147994 16246928970 16601746959 17647526295 17831505993 18446385510 18954750465 21345103233 22745700558 22926221991 23716781370 24370393455 25473579990 27669578265 29244472146 29719176655 33203493918 34118550837 35295052590 35575172055 35663011986 37909500930 38210369985 42690206466 45852443982 48740786910 49805240877 53494517979 55339156530 56864251395 59438353310 64035309699 68237101674 68778665973 71150344110 73111180365 76420739970 83008734795 89157529965 99610481754 102355652511 106725516165 106989035958 113728502790 114631109955 128070619398 137557331946 146222360730 149415722631 160483553937 166017469590 170592754185 178315059930 204711305022 206335997919 213451032330 229262219910 249026204385 267472589895 298831445262 320176548495 320967107874 341185508370 343893329865 412671995838 448247167893 481450661811 498052408770 511778262555 534945179790 619007993757 640353096990 687786659730 747078613155 802417769685 896494335786 962901323622 1023556525110 1031679989595 1238015987514 1444351985433 1494157226310 1604835539370 1857023981271 2063359979190 2241235839465 2407253309055 2888703970866 3095039968785 3714047962542 4333055956299 4482471678930 4814506618110 6190079937570 7221759927165 8666111912598 9285119906355 12999167868897 14443519854330 18570239812710 21665279781495 25998335737794 43330559562990 64995839344485 129991678688970
• Sum of all divisors σ(n): 418154191257600
• Sum of proper divisors (its aliquot sum) s(n): 288162512568630
• 129991678688970 is an abundant number, because the sum of its proper divisors (288162512568630) is greater than itself. Its abundance is 158170833879660

Bases of 129991678688970

• Binary: 11101100011101000001011110101001111111011001010₂
• Hexadecimal: 0x763A0BD4FECA
• Base-36: 1A2TCP7EMI

Squares and roots of 129991678688970

• 129991678688970 squared (129991678688970²) is 16897836528376417257999660900
• 129991678688970 cubed (129991678688970³) is 2196578136535447527951035042066016570273000
• The square root of 129991678688970 is 11401389.3315231543
• The cube root of 129991678688970 is 50656.8892942889

Scales and comparisons

• 129,991,678,688,970 seconds is equal to 4,133,333 years, 15 weeks, 1 day, 3 hours, 49 minutes, 30 seconds.
• To count from 1 to 129,991,678,688,970 would take you about ten million, three hundred thirty-three thousand, three hundred thirty-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 129991678688970 cubic inches would be around 4221.4 feet tall.

Recreational maths with 129991678688970

• 129991678688970 backwards is 079886876199921
• 129991678688970 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129991678688970's digits is 90
• More coming soon!