128499906240

Names of 128499906240

• Cardinal: 128499906240 can be written as One hundred twenty-eight billion, four hundred ninety-nine million, nine hundred six thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.2849990624 × 10¹¹

Factors of 128499906240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 508

Divisors of 128499906240

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 61 64 72 76 80 90 95 96 114 120 122 137 144 152 160 171 180 183 190 192 228 240 244 274 281 285 288 304 305 320 342 360 366 380 411 456 480 488 548 549 562 570 576 608 610 684 685 720 732 760 822 843 855 912 915 960 976 1096 1098 1124 1140 1159 1216 1220 1233 1368 1370 1405 1440 1464 1520 1644 1686 1710 1824 1830 1952 2055 2192 2196 2248 2280 2318 2440 2466 2529 2603 2736 2740 2745 2810 2880 2928 3040 3288 3372 3420 3477 3648 3660 3904 4110 4215 4384 4392 4496 4560 4636 4880 4932 5058 5206 5339 5472 5480 5490 5620 5795 5856 6080 6165 6576 6744 6840 6954 7320 7809 8220 8357 8430 8768 8784 8992 9120 9272 9760 9864 10116 10412 10431 10678 10944 10960 10980 11240 11590 11712 12330 12645 13015 13152 13488 13680 13908 14640 15618 16017 16440 16714 16860 17141 17385 17568 17984 18240 18544 19520 19728 20232 20824 20862 21356 21920 21960 22480 23180 23427 24660 25071 25290 26030 26304 26695 26976 27360 27816 29280 31236 32034 32880 33428 33720 34282 34770 35136 37088 38497 39045 39456 40464 41648 41724 41785 42712 43840 43920 44960 46360 46854 48051 49320 50142 50580 51423 52060 52155 53390 53952 54720 55632 58560 62472 64068 65760 66856 67440 68564 69540 74176 75213 76994 78090 78912 80085 80928 83296 83448 83570 85424 85705 87840 89920 92720 93708 96102 98640 100284 101160 102846 104120 104310 106780 111264 115491 117135 124944 125355 128136 131520 133712 134880 137128 139080 150426 153988 154269 156180 158783 160170 161856 166592 166896 167140 170848 171410 175680 185440 187416 192204 192485 197280 200568 202320 205692 208240 208620 213560 222528 230982 234270 240255 249888 250710 256272 257115 267424 269760 274256 278160 300852 307976 308538 312360 317566 320340 325679 333792 334280 341696 342820 346473 370880 374832 376065 384408 384970 394560 401136 404640 411384 416480 417240 427120 461964 468540 476349 480510 499776 501420 512544 514230 534848 548512 556320 577455 601704 615952 617076 624720 635132 640680 651358 667584 668560 685640 692946 731443 749664 752130 768816 769940 771345 793915 802272 809280 822768 832960 834480 854240 923928 937080 952698 961020 977037 1002840 1025088 1028460 1097024 1112640 1154910 1203408 1231904 1234152 1249440 1270264 1281360 1302716 1337120 1371280 1385892 1429047 1462886 1499328 1504260 1537632 1539880 1542690 1587830 1604544 1628395 1645536 1668960 1708480 1732365 1847856 1874160 1905396 1922040 1954074 2005680 2056920 2194329 2309820 2348317 2381745 2406816 2463808 2468304 2498880 2540528 2562720 2605432 2674240 2742560 2771784 2858094 2925772 2931111 3008520 3075264 3079760 3085380 3175660 3256790 3291072 3337920 3464730 3657215 3695712 3748320 3810792 3844080 3908148 4011360 4113840 4388658 4619640 4696634 4763490 4813632 4885185 4936608 5081056 5125440 5210864 5485120 5543568 5716188 5851544 5862222 6017040 6159520 6170760 6351320 6513580 6582987 6929460 7044951 7145235 7314430 7391424 7496640 7621584 7688160 7816296 8022720 8227680 8777316 9239280 9393268 9526980 9770370 9873216 10162112 10421728 10971645 11087136 11432376 11703088 11724444 11741585 12034080 12319040 12341520 12702640 13027160 13165974 13858920 14089902 14290470 14628860 14655555 15243168 15376320 15632592 16455360 17554632 18478560 18786536 19053960 19540740 20843456 21134853 21943290 22174272 22864752 23406176 23448888 23483170 24068160 24683040 25405280 26054320 26331948 27717840 28179804 28580940 29257720 29311110 30486336 31265184 32914935 35109264 35224755 36957120 37573072 38107920 39081480 42269706 43886580 44618023 45729504 46812352 46897776 46966340 49366080 50810560 52108640 52663896 55435680 56359608 57161880 58515440 58622220 62530368 65829870 70218528 70449510 75146144 76215840 78162960 84539412 87773160 89236046 91459008 93795552 93932680 104217280 105327792 105674265 110871360 112719216 114323760 117030880 117244440 131659740 133854069 140437056 140899020 150292288 152431680 156325920 169078824 175546320 178472092 187591104 187865360 210655584 211348530 223090115 225438432 228647520 234061760 234488880 263319480 267708138 281798040 312651840 338157648 351092640 356944184 375730720 401562207 421311168 422697060 446180230 450876864 457295040 468977760 526638960 535416276 563596080 669270345 676315296 702185280 713888368 751461440 803124414 845394120 892360460 937955520 1053277920 1070832552 1127192160 1338540690 1352630592 1427776736 1606248828 1690788240 1784720920 2007811035 2106555840 2141665104 2254384320 2677081380 2855553472 3212497656 3381576480 3569441840 4015622070 4283330208 5354162760 6424995312 6763152960 7138883680 8031244140 8566660416 10708325520 12849990624 14277767360 16062488280 21416651040 25699981248 32124976560 42833302080 64249953120 128499906240
• Sum of all divisors σ(n): 478022351040
• Sum of proper divisors (its aliquot sum) s(n): 349522444800
• 128499906240 is an abundant number, because the sum of its proper divisors (349522444800) is greater than itself. Its abundance is 221022538560

Bases of 128499906240

• Binary: 1110111101011001100001111011011000000₂
• Hexadecimal: 0x1DEB30F6C0
• Base-36: 1N15IY80

Squares and roots of 128499906240

• 128499906240 squared (128499906240²) is 16512225903688790937600
• 128499906240 cubed (128499906240³) is 2121819480437708905620561690624000
• The square root of 128499906240 is 358468.8358002687
• The cube root of 128499906240 is 5046.2365351599

Scales and comparisons

• 128,499,906,240 seconds is equal to 4,085 years, 46 weeks, 5 days, 10 hours, 24 minutes.
• To count from 1 to 128,499,906,240 would take you about eight thousand, one hundred seventy-one 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 128499906240 cubic inches would be around 420.5 feet tall.

Recreational maths with 128499906240

• 128499906240 backwards is 042609994821
• The number of decimal digits it has is: 12
• The sum of 128499906240's digits is 54
• More coming soon!