128109091440

Names of 128109091440

• Cardinal: 128109091440 can be written as One hundred twenty-eight billion, one hundred nine million, ninety-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2810909144 × 10¹¹

Factors of 128109091440

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 531

Divisors of 128109091440

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 33 38 40 44 48 55 57 60 61 66 76 80 88 95 110 114 120 122 132 149 152 165 176 183 190 209 220 228 240 244 264 281 285 298 304 305 330 366 380 418 440 447 456 488 528 562 570 596 610 627 660 671 732 745 760 836 843 880 894 912 915 976 1045 1124 1140 1159 1192 1220 1254 1320 1342 1405 1464 1490 1520 1639 1672 1686 1788 1830 2013 2090 2235 2248 2280 2318 2384 2440 2508 2640 2684 2810 2831 2928 2980 3091 3135 3278 3344 3355 3372 3477 3576 3660 4026 4180 4215 4470 4496 4560 4636 4880 4917 5016 5339 5368 5620 5662 5795 5960 6182 6270 6556 6710 6744 6954 7152 7320 8052 8195 8360 8430 8493 8940 9089 9272 9273 9834 10032 10065 10678 10736 11240 11324 11590 11920 12364 12540 12749 13112 13420 13488 13908 14155 14640 15455 16017 16104 16390 16720 16860 16986 17141 17385 17880 18178 18544 18546 19668 20130 21356 22480 22648 23180 24585 24728 25080 25498 26224 26695 26840 27267 27816 28310 30910 31141 32034 32208 32780 33720 33972 34282 34770 35760 36356 37092 38247 39336 40260 41869 42465 42712 45296 45445 46360 46365 49170 49456 50160 50996 51423 53390 53680 54534 55632 56620 58729 61820 62282 63745 64068 65560 67440 67944 68564 69540 72712 74184 76494 78672 80085 80520 83738 84930 85424 85705 90890 92720 92730 93423 98340 99979 101992 102846 106780 109068 113240 117458 123640 124564 125607 127490 128136 131120 135888 136335 137128 139080 145424 148368 152988 155705 160170 161040 167476 169860 171410 172691 176187 181780 185460 186846 188551 191235 196680 199958 203984 205692 209345 213560 218136 226480 234916 247280 249128 251214 254980 256272 257115 272670 274256 278160 293645 299937 305976 311410 320340 325679 334952 339720 342820 345382 352374 363560 370920 373692 377102 382470 393360 399916 411384 418690 427120 436272 460559 467115 469832 498256 499895 502428 509960 514230 518073 545340 565653 587290 599874 611952 622820 628035 640680 651358 669904 679440 685640 690764 704748 727120 741840 747384 754204 764940 795511 799832 822768 837380 863455 880935 921118 934230 939664 942755 977037 999790 1004856 1019920 1028460 1036146 1090680 1131306 1174580 1199748 1245640 1256070 1281360 1302716 1371280 1381528 1381677 1409496 1494768 1499685 1508408 1529880 1591022 1599664 1628395 1674760 1726910 1761870 1842236 1868460 1885510 1899601 1954074 1999580 2009712 2056920 2072292 2181360 2262612 2302795 2349160 2386533 2399496 2491280 2512140 2554009 2590365 2605432 2763056 2763354 2818992 2828265 2999370 3016816 3059760 3182044 3256790 3349520 3453820 3523740 3582469 3684472 3736920 3771020 3799202 3908148 3977555 3999160 4113840 4144584 4525224 4605590 4698320 4773066 4798992 4885185 5024280 5108018 5180730 5210864 5526708 5656530 5698803 5998740 6364088 6513580 6907640 6908385 7047480 7164938 7368944 7473840 7542040 7598404 7662027 7816296 7955110 7998320 8289168 8750621 9050448 9211180 9498005 9546132 9770370 10048560 10216036 10361460 10747407 11053416 11313060 11397606 11932665 11997480 12728176 12770045 13027160 13815280 13816770 14094960 14329876 15084080 15196808 15324054 15632592 15910220 17501242 17912345 18422360 18996010 19092264 19540740 20432072 20722920 21494814 22106832 22626120 22795212 23865330 23994960 25540090 26054320 26251863 27633540 28094099 28494015 28659752 30393616 30648108 31820440 35002484 35824690 36844720 37992020 38184528 38310135 39081480 40864144 41445840 42989628 43753105 45252240 45590424 47730660 48526171 51080180 52503726 53737035 55267080 56188198 56988030 57319504 61296216 63640880 70004968 71649380 75984040 76620270 78162960 84282297 85979256 87506210 91180848 95461320 97052342 102160360 105007452 107474070 110534160 112376396 113976060 122592432 131259315 140009936 140470495 143298760 145578513 151968080 153240540 168564594 171958512 175012420 190922640 194104684 204320720 210014904 214948140 224752792 227952120 242630855 262518630 280940990 286597520 291157026 306481080 337129188 350024840 388209368 420029808 421411485 429896280 449505584 455904240 485261710 525037260 533787881 561881980 582314052 612962160 674258376 700049680 727892565 776418736 842822970 859792560 970523420 1050074520 1067575762 1123763960 1164628104 1348516752 1455785130 1601363643 1685645940 1941046840 2100149040 2135151524 2247527920 2329256208 2668939405 2911570260 3202727286 3371291880 3882093680 4270303048 5337878810 5823140520 6405454572 6742583760 8006818215 8540606096 10675757620 11646281040 12810909144 16013636430 21351515240 25621818288 32027272860 42703030480 64054545720 128109091440
• Sum of all divisors σ(n): 468291456000
• Sum of proper divisors (its aliquot sum) s(n): 340182364560
• 128109091440 is an abundant number, because the sum of its proper divisors (340182364560) is greater than itself. Its abundance is 212073273120

Bases of 128109091440

• Binary: 1110111010011111001011001101001110000₂
• Hexadecimal: 0x1DD3E59A70
• Base-36: 1MUOUFLC

Squares and roots of 128109091440

• 128109091440 squared (128109091440²) is 16411939309582281273600
• 128109091440 cubed (128109091440³) is 2102518633719006939883422057984000
• The square root of 128109091440 is 357923.3038515377
• The cube root of 128109091440 is 5041.1155284605

Scales and comparisons

• 128,109,091,440 seconds is equal to 4,073 years, 24 weeks, 4 days, 2 hours, 44 minutes.
• To count from 1 to 128,109,091,440 would take you about eight thousand, one hundred forty-six 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 128109091440 cubic inches would be around 420.1 feet tall.

Recreational maths with 128109091440

• 128109091440 backwards is 044190901821
• The number of decimal digits it has is: 12
• The sum of 128109091440's digits is 39
• More coming soon!