128168046720

Names of 128168046720

• Cardinal: 128168046720 can be written as One hundred twenty-eight billion, one hundred sixty-eight million, forty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2816804672 × 10¹¹

Factors of 128168046720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 150

Divisors of 128168046720

• 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 28 30 31 32 35 36 40 41 42 45 48 56 60 61 62 63 64 70 72 80 82 84 90 93 96 105 112 120 122 123 124 126 128 140 144 155 160 164 168 180 183 186 192 205 210 217 224 240 244 246 248 252 279 280 287 288 305 310 315 320 328 336 360 366 369 372 384 410 420 427 434 448 465 480 488 492 496 504 549 558 560 574 576 610 615 620 630 640 651 656 672 720 732 738 744 820 840 854 861 868 896 915 930 960 976 984 992 1008 1085 1098 1116 1120 1148 1152 1220 1230 1240 1260 1271 1281 1302 1312 1344 1395 1435 1440 1464 1476 1488 1640 1680 1681 1708 1722 1736 1830 1845 1860 1891 1920 1952 1953 1968 1984 2016 2135 2170 2196 2232 2240 2296 2440 2460 2480 2501 2520 2542 2562 2583 2604 2624 2688 2745 2790 2870 2880 2928 2952 2976 3255 3280 3360 3362 3416 3444 3472 3660 3690 3720 3782 3813 3843 3904 3906 3936 3968 4032 4270 4305 4340 4392 4464 4480 4592 4880 4920 4960 5002 5040 5043 5084 5124 5166 5208 5248 5490 5580 5673 5740 5760 5856 5904 5952 6355 6405 6510 6560 6720 6724 6832 6888 6944 7320 7380 7440 7503 7564 7626 7686 7808 7812 7872 8064 8405 8540 8610 8680 8784 8897 8928 9184 9455 9760 9765 9840 9920 10004 10080 10086 10168 10248 10332 10416 10980 11160 11346 11439 11480 11712 11767 11808 11904 12505 12710 12810 12915 13020 13120 13237 13440 13448 13664 13776 13888 14640 14760 14880 15006 15128 15129 15252 15372 15624 15744 16810 17019 17080 17220 17360 17507 17568 17794 17856 18368 18910 19065 19215 19520 19530 19680 19840 20008 20160 20172 20336 20496 20664 20832 21960 22320 22509 22692 22878 22960 23424 23534 23616 25010 25215 25420 25620 25830 26040 26240 26474 26691 26896 27328 27552 27776 28365 29280 29520 29760 30012 30256 30258 30504 30744 31248 33620 34038 34160 34440 34720 35014 35136 35301 35588 35712 36736 37515 37820 38130 38430 39040 39060 39360 39711 40016 40320 40344 40672 40992 41328 41664 43920 44485 44640 45018 45384 45756 45920 47068 47232 50020 50430 50840 51240 51660 52080 52111 52521 52948 53382 53792 54656 55104 56730 57195 58560 58835 59040 59520 60024 60512 60516 61008 61488 62496 66185 67240 68076 68320 68880 69440 70028 70272 70602 71176 75030 75640 75645 76260 76860 77531 78120 78720 79422 80032 80073 80688 81344 81984 82656 83328 85095 87535 87840 88970 89280 90036 90768 91512 91840 94136 100040 100860 101680 102480 102541 103320 104160 104222 105042 105896 105903 106764 107584 110208 112545 113460 114390 117120 117670 118080 119133 120048 121024 121032 122016 122976 124992 132370 133455 134480 136152 136640 137760 138880 140056 141204 142352 150060 151280 151290 152520 153720 155062 156240 156333 157563 158844 160064 160146 161376 162688 163968 165312 170190 175070 175680 176505 177940 178560 180072 181536 183024 183680 188272 198555 200080 201720 203360 204960 205082 206640 208320 208444 210084 211792 211806 213528 215168 225090 226920 228780 232593 235340 236160 238266 240096 242048 242064 244032 245952 249984 260555 262605 264740 266910 268960 272304 273280 275520 280112 282408 284704 300120 302560 302580 305040 307440 307623 310124 312480 312666 315126 317688 320128 320292 322752 330624 340380 350140 351360 353010 355880 360144 363072 364777 366048 376544 387655 397110 400160 400365 403440 406720 409920 410164 413280 416640 416888 420168 423584 423612 427056 450180 453840 457560 465186 468999 470680 476532 480192 484128 488064 491904 512705 521110 525210 529480 529515 533820 537920 542717 544608 551040 560224 564816 569408 595665 600240 605120 605160 610080 614880 615246 620248 624960 625332 630252 635376 640584 645504 680760 697779 700280 706020 711760 717787 720288 726144 729554 732096 753088 775310 781665 787815 794220 800320 800730 806880 813440 819840 820328 826560 833776 840336 847168 847224 854112 900360 907680 915120 922869 930372 937998 941360 953064 960384 968256 1025410 1042220 1050420 1058960 1059030 1067640 1075840 1085434 1089216 1094331 1120448 1129632 1138816 1162965 1191330 1200480 1210240 1210320 1220160 1229760 1230492 1240496 1249920 1250664 1260504 1270752 1281168 1361520 1395558 1400560 1412040 1423520 1435574 1440576 1459108 1464192 1506176 1538115 1550620 1563330 1575630 1588440 1600640 1601460 1613760 1628151 1640656 1653120 1667552 1680672 1694336 1694448 1708224 1800720 1815360 1823885 1830240 1845738 1860744 1875996 1882720 1906128 1936512 2050820 2084440 2100840 2117920 2118060 2135280 2153361 2170868 2178432 2188662 2240896 2259264 2325930 2344995 2382660 2400960 2420640 2440320 2459520 2460984 2480992 2501328 2521008 2541504 2562336 2713585 2723040 2791116 2801120 2824080 2847040 2871148 2881152 2918216 3076230 3101240 3126660 3151260 3176880 3178771 3202920 3227520 3256302 3281312 3282993 3335104 3361344 3388896 3416448 3488895 3588935 3601440 3630720 3647770 3660480 3691476 3721488 3751992 3765440 3812256 4101640 4168880 4201680 4235840 4236120 4270560 4306722 4341736 4377324 4518528 4614345 4651860 4689990 4765320 4801920 4841280 4884453 4921968 4961984 5002656 5042016 5083008 5124672 5427170 5446080 5471655 5582232 5602240 5648160 5694080 5742296 5836432 6152460 6202480 6253320 6302520 6353760 6357542 6405840 6460083 6512604 6562624 6565986 6670208 6722688 6777792 6977790 7177870 7202880 7295540 7320960 7382952 7442976 7503984 7530880 7624512 8140755 8203280 8337760 8403360 8471680 8472240 8541120 8613444 8683472 8754648 9228690 9303720 9379980 9530640 9536313 9682560 9768906 9843936 9923968 10005312 10084032 10249344 10766805 10854340 10892160 10943310 11164464 11204480 11296320 11484592 11672864 12304920 12404960 12506640 12605040 12707520 12715084 12811680 12920166 13025208 13125248 13131972 13555584 13955580 14355740 14405760 14591080 14765904 14885952 15007968 15249024 15893855 16281510 16406560 16414965 16675520 16806720 16944480 17082240 17226888 17366944 17509296 18457380 18607440 18759960 19061280 19072626 19537812 19687872 20010624 20168064 21533610 21708680 21886620 22251397 22328928 22592640 22969184 23345728 24422265 24609840 24809920 25013280 25210080 25415040 25430168 25623360 25840332 26050416 26263944 27911160 28608939 28711480 29182160 29531808 29771904 30015936 31787710 32300415 32563020 32813120 32829930 33351040 33613440 33888960 34453776 34733888 35018592 36914760 37214880 37519920 38122560 38145252 39075624 39375744 43067220 43417360 43773240 44502794 44657856 45938368 46691456 47681565 48844530 49219680 49619840 50026560 50420160 50860336 51246720 51680664 52100832 52527888 55822320 57217878 57422960 58364320 59063616 60031872 63575420 64600830 65126040 65626240 65659860 66754191 67777920 68907552 69467776 70037184 73829520 74429760 75039840 76245120 76290504 78151248 86134440 86834720 87546480 89005588 89315712 91876736 95363130 97689060 98439360 100053120 100840320 101720672 103361328 104201664 105055776 111256985 111644640 114435756 114845920 116728640 118127232 127150840 129201660 130252080 131319720 133508382 137815104 140074368 143044695 147659040 148859520 150079680 152581008 156302496 172268880 173669440 175092960 178011176 190726260 195378120 196878720 200262573 203441344 206722656 208403328 210111552 222513970 223289280 228871512 229691840 233457280 254301680 258403320 260504160 262639440 267016764 275630208 286089390 295318080 300159360 305162016 312604992 333770955 344537760 347338880 350185920 356022352 381452520 390756240 400525146 406882688 413445312 420223104 445027940 446578560 457743024 459383680 508603360 516806640 521008320 525278880 534033528 572178780 590636160 610324032 625209984 667541910 689075520 700371840 712044704 762905040 781512480 801050292 826890624 890055880 915486048 1001312865 1017206720 1033613280 1042016640 1050557760 1068067056 1144357560 1220648064 1335083820 1378151040 1424089408 1525810080 1563024960 1602100584 1780111760 1830972096 2002625730 2034413440 2067226560 2101115520 2136134112 2288715120 2670167640 2848178816 3051620160 3126049920 3204201168 3560223520 3661944192 4005251460 4134453120 4272268224 4577430240 5340335280 6103240320 6408402336 7120447040 8010502920 8544536448 9154860480 10680670560 12816804672 14240894080 16021005840 18309720960 21361341120 25633609344 32042011680 42722682240 64084023360 128168046720
• Sum of all divisors σ(n): 543940899840
• Sum of proper divisors (its aliquot sum) s(n): 415772853120
• 128168046720 is an abundant number, because the sum of its proper divisors (415772853120) is greater than itself. Its abundance is 287604806400

Bases of 128168046720

• Binary: 1110111010111011010010011000010000000₂
• Hexadecimal: 0x1DD7693080
• Base-36: 1MVNY1S0

Squares and roots of 128168046720

• 128168046720 squared (128168046720²) is 16427048200020102758400
• 128168046720 cubed (128168046720³) is 2105422681171868435277812072448000
• The square root of 128168046720 is 358005.6517989625
• The cube root of 128168046720 is 5041.8887101181

Scales and comparisons

• 128,168,046,720 seconds is equal to 4,075 years, 18 weeks, 11 hours, 12 minutes.
• To count from 1 to 128,168,046,720 would take you about eight thousand, one hundred fifty 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 128168046720 cubic inches would be around 420.2 feet tall.

Recreational maths with 128168046720

• 128168046720 backwards is 027640861821
• 128168046720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128168046720's digits is 45
• More coming soon!