129818142720

Names of 129818142720

• Cardinal: 129818142720 can be written as One hundred twenty-nine billion, eight hundred eighteen million, one hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2981814272 × 10¹¹

Factors of 129818142720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 303

Divisors of 129818142720

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 29 30 32 35 36 40 42 45 48 54 56 58 60 63 64 70 72 80 81 84 87 90 96 105 108 112 116 120 126 128 135 140 144 145 160 162 168 174 180 189 192 203 210 216 224 232 240 243 252 256 257 261 270 280 288 290 315 320 324 336 348 360 378 384 405 406 420 432 435 448 464 480 486 504 512 514 522 540 560 567 576 580 609 630 640 648 672 696 720 756 768 771 783 810 812 840 864 870 896 928 945 960 972 1008 1015 1024 1028 1044 1080 1120 1134 1152 1160 1215 1218 1260 1280 1285 1296 1305 1344 1392 1440 1512 1536 1542 1566 1620 1624 1680 1701 1728 1740 1792 1799 1827 1856 1890 1920 1944 2016 2030 2048 2056 2088 2160 2240 2268 2304 2313 2320 2349 2430 2436 2520 2560 2570 2592 2610 2688 2784 2835 2880 3024 3045 3072 3084 3132 3240 3248 3360 3402 3456 3480 3584 3598 3654 3712 3780 3840 3855 3888 3915 4032 4060 4112 4176 4320 4480 4536 4608 4626 4640 4698 4860 4872 5040 5120 5140 5184 5220 5376 5397 5481 5568 5670 5760 6048 6090 6144 6168 6264 6480 6496 6720 6804 6912 6939 6960 7047 7168 7196 7308 7424 7453 7560 7680 7710 7776 7830 8064 8120 8224 8352 8505 8640 8960 8995 9072 9135 9216 9252 9280 9396 9720 9744 10080 10240 10280 10368 10440 10752 10794 10962 11136 11340 11520 11565 11745 12096 12180 12336 12528 12960 12992 13440 13608 13824 13878 13920 14094 14336 14392 14616 14848 14906 15120 15360 15420 15552 15660 16128 16191 16240 16443 16448 16704 17010 17280 17920 17990 18144 18270 18432 18504 18560 18792 19440 19488 20160 20560 20736 20817 20880 21504 21588 21924 22272 22359 22680 23040 23130 23490 24192 24360 24672 25056 25920 25984 26880 26985 27216 27405 27648 27756 27840 28188 28784 29232 29696 29812 30240 30720 30840 31104 31320 32256 32382 32480 32886 32896 33408 34020 34560 34695 35235 35840 35980 36288 36540 37008 37120 37265 37584 38880 38976 40320 41120 41472 41634 41760 43008 43176 43848 44544 44718 45360 46080 46260 46980 48384 48573 48720 49329 49344 50112 51840 51968 52171 53760 53970 54432 54810 55296 55512 55680 56376 57568 58464 59392 59624 60480 61680 62208 62451 62640 64512 64764 64960 65772 65792 66816 67077 68040 69120 69390 70470 71680 71960 72576 73080 74016 74240 74530 75168 77760 77952 80640 80955 82215 82240 82944 83268 83520 86352 87696 89088 89436 90720 92160 92520 93960 96768 97146 97440 98658 98688 100224 103680 103936 104085 104342 107520 107940 108864 109620 111024 111360 111795 112752 115136 116928 119248 120960 123360 124416 124902 125280 129024 129528 129920 131544 131584 133632 134154 136080 138240 138780 140940 143920 145152 145719 146160 148032 148480 149060 150336 155520 155904 156513 161280 161910 164430 164480 165888 166536 167040 172704 175392 178176 178872 181440 185040 187920 193536 194292 194880 197316 197376 200448 201231 207360 207872 208170 208684 215040 215880 217728 219240 222048 222720 223590 225504 230272 233856 238496 241920 242865 246645 246720 248832 249804 250560 259056 259840 260855 263088 263168 267264 268308 272160 276480 277560 281880 287840 290304 291438 292320 296064 296960 298120 300672 311040 311808 312255 313026 322560 323820 328860 328960 333072 334080 335385 345408 350784 357744 362880 370080 375840 387072 388584 389760 394632 394752 400896 402462 414720 415744 416340 417368 431760 435456 437157 438480 444096 445440 447180 451008 460544 467712 469539 476992 483840 485730 493290 493440 497664 499608 501120 518112 519680 521710 526176 526336 534528 536616 544320 555120 563760 575680 580608 582876 584640 592128 596240 601344 603693 622080 623616 624510 626052 645120 647640 657720 657920 666144 668160 670770 690816 701568 715488 725760 728595 740160 751680 777168 779520 782565 789264 789504 801792 804924 829440 832680 834736 863520 870912 874314 876960 888192 890880 894360 902016 921088 935424 939078 953984 967680 971460 986580 986880 999216 1002240 1006155 1036224 1039360 1043420 1052352 1073232 1088640 1110240 1127520 1151360 1161216 1165752 1169280 1184256 1192480 1202688 1207386 1244160 1247232 1249020 1252104 1295280 1315440 1315840 1332288 1336320 1341540 1381632 1403136 1408617 1430976 1451520 1457190 1480320 1503360 1554336 1559040 1565130 1578528 1579008 1603584 1609848 1665360 1669472 1727040 1741824 1748628 1753920 1776384 1788720 1804032 1811079 1842176 1870848 1878156 1907968 1935360 1942920 1973160 1973760 1998432 2004480 2012310 2072448 2078720 2086840 2104704 2146464 2177280 2185785 2220480 2255040 2302720 2331504 2338560 2347695 2368512 2384960 2405376 2414772 2488320 2498040 2504208 2590560 2630880 2631680 2664576 2672640 2683080 2763264 2806272 2817234 2861952 2903040 2914380 2960640 3006720 3018465 3108672 3118080 3130260 3157056 3219696 3330720 3338944 3454080 3483648 3497256 3507840 3552768 3577440 3608064 3622158 3684352 3741696 3756312 3815936 3885840 3946320 3947520 3996864 4008960 4024620 4144896 4173680 4209408 4225851 4292928 4354560 4371570 4440960 4510080 4605440 4663008 4677120 4695390 4737024 4769920 4810752 4829544 4996080 5008416 5181120 5261760 5329152 5366160 5526528 5612544 5634468 5723904 5806080 5828760 5921280 6013440 6036930 6217344 6236160 6260520 6314112 6439392 6661440 6677888 6908160 6994512 7015680 7043085 7105536 7154880 7216128 7244316 7512624 7631872 7771680 7892640 7895040 7993728 8017920 8049240 8289792 8347360 8418816 8451702 8585856 8709120 8743140 8881920 9020160 9055395 9210880 9326016 9354240 9390780 9539840 9659088 9992160 10016832 10362240 10523520 10658304 10732320 11053056 11225088 11268936 11447808 11657520 11842560 12026880 12073860 12434688 12521040 12628224 12677553 12878784 13322880 13355776 13816320 13989024 14031360 14086170 14211072 14309760 14432256 14488632 15025248 15263744 15543360 15785280 15987456 16098480 16579584 16694720 16837632 16903404 17171712 17418240 17486280 17763840 18040320 18110790 18421760 18652032 18708480 18781560 19079680 19318176 19984320 20033664 20724480 21047040 21129255 21316608 21464640 22537872 22895616 23315040 23685120 24053760 24147720 24869376 25042080 25256448 25355106 25757568 26645760 26711552 27632640 27978048 28062720 28172340 28619520 28977264 30050496 31086720 31570560 31974912 32196960 33159168 33389440 33675264 33806808 34343424 34972560 35527680 36080640 36221580 37304064 37563120 38159360 38636352 39968640 40067328 41448960 42094080 42258510 42633216 42929280 45075744 45791232 46630080 48295440 49738752 50084160 50512896 50710212 51515136 53291520 53423104 55265280 55956096 56125440 56344680 57239040 57954528 60100992 62173440 63141120 63387765 63949824 64393920 66778880 67613616 68686848 69945120 71055360 72161280 72443160 74608128 75126240 76318720 77272704 79937280 80134656 82897920 84188160 84517020 85858560 90151488 93260160 96590880 99477504 100168320 101025792 101420424 103030272 106583040 106846208 111912192 112689360 114478080 115909056 120201984 124346880 126282240 126775530 127899648 128787840 133557760 135227232 137373696 139890240 144886320 149216256 150252480 154545408 159874560 160269312 165795840 168376320 169034040 171717120 180302976 186520320 193181760 200336640 202840848 206060544 213166080 223824384 225378720 228956160 231818112 240403968 248693760 252564480 253551060 257575680 267115520 270454464 279780480 289772640 298432512 300504960 309090816 319749120 320538624 338068080 343434240 360605952 373040640 386363520 400673280 405681696 412121088 447648768 450757440 463636224 480807936 497387520 505128960 507102120 515151360 534231040 540908928 559560960 579545280 601009920 618181632 639498240 676136160 686868480 721211904 746081280 772727040 801346560 811363392 895297536 901514880 927272448 961615872 1014204240 1030302720 1081817856 1119121920 1159090560 1202019840 1236363264 1352272320 1442423808 1492162560 1545454080 1602693120 1622726784 1803029760 1854544896 2028408480 2060605440 2163635712 2238243840 2318181120 2404039680 2704544640 2884847616 3090908160 3245453568 3606059520 3709089792 4056816960 4327271424 4476487680 4636362240 4808079360 5409089280 6181816320 6490907136 7212119040 8113633920 8654542848 9272724480 10818178560 12981814272 14424238080 16227267840 18545448960 21636357120 25963628544 32454535680 43272714240 64909071360 129818142720
• Sum of all divisors σ(n): 553780281600
• Sum of proper divisors (its aliquot sum) s(n): 423962138880
• 129818142720 is an abundant number, because the sum of its proper divisors (423962138880) is greater than itself. Its abundance is 294143996160

Bases of 129818142720

• Binary: 1111000111001110000111010100000000000₂
• Hexadecimal: 0x1E39C3A800
• Base-36: 1NMYDC00

Squares and roots of 129818142720

• 129818142720 squared (129818142720²) is 16852750179270288998400
• 129818142720 cubed (129818142720³) is 2187792727997015962649937051648000
• The square root of 129818142720 is 360302.8486148839
• The cube root of 129818142720 is 5063.4337319685

Scales and comparisons

• 129,818,142,720 seconds is equal to 4,127 years, 42 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 129,818,142,720 would take you about eight thousand, two hundred fifty-five 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 129818142720 cubic inches would be around 422 feet tall.

Recreational maths with 129818142720

• 129818142720 backwards is 027241818921
• 129818142720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129818142720's digits is 45
• More coming soon!