128138938200

Names of 128138938200

• Cardinal: 128138938200 can be written as One hundred twenty-eight billion, one hundred thirty-eight million, nine hundred thirty-eight thousand, two hundred.

Scientific notation

• Scientific notation: 1.281389382 × 10¹¹

Factors of 128138938200

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5160

Divisors of 128138938200

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 17 18 20 21 24 25 26 27 28 30 34 35 36 39 40 42 45 50 51 52 54 56 60 63 65 68 70 72 75 78 81 84 85 90 91 100 102 104 105 108 117 119 120 126 130 135 136 140 150 153 156 162 168 170 175 180 182 189 195 200 204 210 216 221 225 234 238 252 255 260 270 273 280 300 306 312 315 324 325 340 350 351 357 360 364 378 390 405 408 420 425 442 450 455 459 468 476 504 510 520 525 540 546 567 585 595 600 612 630 648 650 663 675 680 700 702 714 728 756 765 780 810 819 840 850 884 900 910 918 936 945 952 975 1020 1050 1053 1071 1080 1092 1105 1134 1170 1190 1224 1260 1275 1300 1326 1350 1365 1377 1400 1404 1428 1512 1530 1547 1560 1575 1620 1638 1700 1755 1768 1785 1800 1820 1836 1890 1950 1989 2025 2040 2100 2106 2142 2184 2210 2268 2275 2295 2340 2380 2457 2520 2550 2600 2652 2700 2730 2754 2808 2835 2856 2925 2975 3060 3094 3150 3213 3240 3276 3315 3400 3510 3570 3640 3672 3780 3825 3900 3978 4050 4095 4200 4212 4284 4420 4536 4550 4590 4641 4680 4725 4760 4914 5100 5113 5265 5304 5355 5400 5460 5508 5525 5670 5850 5950 5967 6120 6188 6300 6426 6552 6630 6825 6885 7020 7140 7371 7560 7650 7735 7800 7956 8100 8190 8424 8568 8775 8840 8925 9100 9180 9282 9450 9639 9828 9945 10200 10226 10530 10710 10920 11016 11050 11340 11475 11700 11900 11934 12285 12376 12600 12852 13260 13650 13770 13923 14040 14175 14280 14742 15300 15339 15470 15912 16065 16200 16380 16575 17550 17850 17901 18200 18360 18564 18900 19278 19656 19890 20452 20475 21060 21420 22100 22680 22950 23205 23400 23800 23868 24570 25565 25704 26325 26520 26775 27300 27540 27846 28350 29484 29835 30600 30678 30940 32130 32760 33150 34425 35100 35700 35791 35802 36855 37128 37800 38556 38675 39780 40904 40950 41769 42120 42840 44200 45900 46017 46410 47736 48195 49140 49725 51130 52650 53550 54600 55080 55692 56700 58968 59670 61356 61425 61880 64260 66300 66469 68850 69615 70200 71400 71582 71604 73710 76695 77112 77350 79560 80325 81900 83538 86921 89505 91800 92034 92820 96390 98280 99450 102260 105300 107100 107373 111384 113400 116025 119340 122712 122850 125307 127825 128520 132600 132938 137700 138051 139230 143164 143208 147420 149175 153390 154700 160650 163800 167076 173842 178955 179010 184068 184275 185640 192780 198900 199407 204520 208845 210600 214200 214746 230085 232050 238680 240975 245700 250614 255650 260763 265876 275400 276102 278460 286328 294840 298350 306780 309400 321300 322119 332345 334152 347684 348075 357910 358020 368136 368550 383475 385560 397800 398814 414153 417690 429492 434605 447525 460170 464100 465283 481950 491400 501228 511300 521526 531752 536865 552204 556920 596700 598221 608447 613560 626535 642600 644238 664690 690255 695368 696150 715820 716040 737100 766950 782289 797628 828306 835380 858984 869210 894775 895050 920340 928200 930566 963900 966357 997035 1002456 1022600 1043052 1044225 1073730 1104408 1129973 1150425 1193400 1196442 1216894 1253070 1288476 1303815 1329380 1380510 1392300 1395849 1431640 1474200 1533900 1564578 1595256 1610595 1656612 1661725 1670760 1738420 1789550 1790100 1794663 1825341 1840680 1861132 1927800 1932714 1994070 2070765 2086104 2088450 2147460 2173025 2259946 2300850 2326415 2346867 2392884 2433788 2506140 2576952 2607630 2658760 2684325 2761020 2784600 2791698 2899071 2991105 3042235 3067800 3129156 3132675 3221190 3313224 3323450 3389919 3451275 3476840 3579100 3580200 3589326 3650682 3722264 3865428 3911445 3988140 4141530 4176900 4187547 4294920 4346050 4519892 4601700 4652830 4693734 4785768 4831785 4867576 4985175 5012280 5215260 5368650 5383989 5476023 5522040 5583396 5649865 5798142 5982210 6084470 6258312 6265350 6442380 6519075 6646900 6779838 6902550 6979245 7040601 7158200 7178652 7301364 7730856 7822890 7909811 7976280 8052975 8283060 8353800 8375094 8692100 8973315 9039784 9126705 9203400 9305660 9387468 9663570 9970350 10169757 10353825 10430520 10737300 10767978 10952046 11166792 11299730 11596284 11632075 11734335 11964420 12168940 12530700 12562641 12884760 13038150 13293800 13559676 13805100 13958490 14081202 14357304 14495355 14602728 14955525 15211175 15645780 15819622 16105950 16428069 16566120 16750188 16949595 17384200 17946630 18253410 18611320 18774936 19327140 19557225 19940700 20339514 20707650 20937735 21474600 21535956 21904092 22599460 23192568 23264150 23468670 23729433 23928840 24158925 24337880 25061400 25125282 26076300 26919945 27119352 27380115 27610200 27916980 28162404 28249325 28990710 29911050 30422350 30509271 31291560 31639244 32211900 32856138 33500376 33899190 34896225 35203005 35893260 36506820 37687923 38654280 39114450 39549055 39881400 40679028 41415300 41875470 43071912 43808184 44866575 45198920 45633525 46528300 46937340 47458866 48317850 49284207 50250564 50848785 52152600 53839890 54760230 55833960 56324808 56498650 57981420 58671675 59822100 60844700 61018542 62813205 63278488 64423800 65712276 67798380 69792450 70406010 71188299 71786520 72476775 73013640 75375846 78228900 79098110 81358056 82140345 82830600 83750940 84747975 89733150 91267050 91527813 93056600 93874680 94917732 96635700 98568414 100501128 101697570 104688675 107679780 109520460 112997300 115962840 117343350 118647165 119644200 121689400 122037084 125626410 131424552 134599725 135596760 136900575 139584900 140812020 142376598 144953550 150751692 152546355 156457800 158196220 164280690 167501880 169495950 176015025 179466300 182534100 183055626 188439615 189835464 193271400 197136828 197745275 203395140 209377350 213564897 215359560 219040920 225994600 234686700 237294330 244074168 246421035 251252820 254243925 269199450 273801150 279169800 281624040 284753196 289907100 301503384 305092710 314066025 316392440 328561380 338991900 352030050 355941495 358932600 365068200 366111252 376879230 394273656 395490550 406790280 410701725 418754700 427129794 457639065 469373400 474588660 492842070 502505640 508487850 538398900 547602300 569506392 579814200 593235825 610185420 628132050 640694691 657122760 677983800 704060100 711882990 732222504 753758460 762731775 790981100 821403450 837509400 854259588 915278130 942198075 949177320 985684140 1016975700 1067824485 1076797800 1095204600 1186471650 1220370840 1232105175 1256264100 1281389382 1408120200 1423765980 1507516920 1525463550 1581962200 1642806900 1708519176 1779707475 1830556260 1884396150 1971368280 2033951400 2135648970 2288195325 2372943300 2464210350 2512528200 2562778764 2847531960 3050927100 3203473455 3285613800 3559414950 3661112520 3768792300 4271297940 4576390650 4745886600 4928420700 5125557528 5339122425 6101854200 6406946910 7118829900 7537584600 8542595880 9152781300 9856841400 10678244850 12813893820 14237659800 16017367275 18305562600 21356489700 25627787640 32034734550 42712979400 64069469100 128138938200
• Sum of all divisors σ(n): 580082247360
• Sum of proper divisors (its aliquot sum) s(n): 451943309160
• 128138938200 is an abundant number, because the sum of its proper divisors (451943309160) is greater than itself. Its abundance is 323804370960

Bases of 128138938200

• Binary: 1110111010101101011010000011101011000₂
• Hexadecimal: 0x1DD5AD0758
• Base-36: 1MV6M5I0

Squares and roots of 128138938200

• 128138938200 squared (128138938200²) is 16419587483023419240000
• 128138938200 cubed (128138938200³) is 2103988505756631467147050968000000
• The square root of 128138938200 is 357964.9957747265
• The cube root of 128138938200 is 5041.5069898323

Scales and comparisons

• 128,138,938,200 seconds is equal to 4,074 years, 21 weeks, 6 days, 13 hours, 30 minutes.
• To count from 1 to 128,138,938,200 would take you about eight thousand, one hundred forty-eight 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 128138938200 cubic inches would be around 420.1 feet tall.

Recreational maths with 128138938200

• 128138938200 backwards is 002839831821
• 128138938200 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128138938200's digits is 45
• More coming soon!