1998556385280

Names of 1998556385280

• Cardinal: 1998556385280 can be written as One trillion, nine hundred ninety-eight billion, five hundred fifty-six million, three hundred eighty-five thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.99855638528 × 10¹²

Factors of 1998556385280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 9728

Divisors of 1998556385280

• Number of divisors d(n): 832
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 37 39 40 42 48 52 56 60 64 65 70 74 78 80 84 91 96 104 105 111 112 120 128 130 140 148 156 160 168 182 185 192 195 208 210 222 224 240 256 259 260 273 280 296 312 320 336 364 370 384 390 416 420 444 448 455 480 481 512 518 520 546 555 560 592 624 640 672 728 740 768 777 780 832 840 888 896 910 960 962 1024 1036 1040 1092 1110 1120 1184 1248 1280 1295 1344 1365 1443 1456 1480 1536 1554 1560 1664 1680 1776 1792 1820 1920 1924 2048 2072 2080 2184 2220 2240 2368 2405 2496 2560 2590 2688 2730 2886 2912 2960 3072 3108 3120 3328 3360 3367 3552 3584 3640 3840 3848 3885 4096 4144 4160 4368 4440 4480 4736 4810 4992 5120 5180 5376 5460 5772 5824 5920 6144 6216 6240 6656 6720 6734 7104 7168 7215 7280 7680 7696 7770 8288 8320 8736 8880 8960 9472 9620 9661 9984 10101 10240 10360 10752 10920 11544 11648 11840 12288 12432 12480 13312 13440 13468 14208 14336 14430 14560 15360 15392 15540 16576 16640 16835 17472 17760 17920 18944 19240 19322 19968 20202 20480 20720 21504 21840 23088 23296 23680 24864 24960 26624 26880 26936 28416 28672 28860 28983 29120 30720 30784 31080 33152 33280 33670 34944 35520 35840 37888 38480 38644 39936 40404 41440 43008 43680 46176 46592 47360 48305 49728 49920 50505 53248 53760 53872 56832 57720 57966 58240 61440 61568 62160 66304 66560 67340 67627 69888 71040 71680 75776 76960 77288 79872 80808 82880 86016 87360 92352 93184 94720 96610 99456 99840 101010 107520 107744 113664 115440 115932 116480 123136 124320 125593 132608 133120 134680 135254 139776 142080 143360 144915 151552 153920 154576 159744 161616 165760 174720 184704 186368 189440 193220 198912 199680 202020 202881 215040 215488 227328 230880 231864 232960 246272 248640 251186 265216 266240 269360 270508 279552 284160 289830 307840 309152 323232 331520 338135 349440 357457 369408 372736 376779 378880 386440 397824 399360 404040 405762 430080 430976 454656 461760 463728 465920 492544 497280 502372 530432 538720 541016 559104 568320 579660 615680 618304 627965 646464 663040 676270 698880 714914 738816 753558 757760 772880 795648 798720 808080 811524 861952 879151 923520 927456 931840 985088 994560 1004744 1014405 1060864 1072371 1077440 1082032 1118208 1136640 1159320 1231360 1236608 1255930 1292928 1326080 1352540 1397760 1429828 1477632 1507116 1545760 1591296 1616160 1623048 1723904 1758302 1787285 1847040 1854912 1863680 1883895 1970176 1989120 2009488 2028810 2144742 2154880 2164064 2273280 2318640 2462720 2473216 2502199 2511860 2585856 2637453 2652160 2705080 2795520 2859656 2955264 3014232 3091520 3182592 3232320 3246096 3447808 3516604 3574570 3694080 3709824 3767790 3978240 4018976 4057620 4289484 4309760 4328128 4395755 4637280 4646941 4925440 4946432 5004398 5023720 5171712 5274906 5304320 5361855 5410160 5591040 5719312 5910528 6028464 6183040 6464640 6492192 6895616 7033208 7149140 7388160 7419648 7506597 7535580 7956480 8037952 8115240 8578968 8619520 8656256 8791510 9274560 9293882 9850880 9892864 10008796 10047440 10343424 10549812 10723710 10820320 11438624 12056928 12366080 12510995 12929280 12984384 13187265 13791232 13940823 14066416 14298280 14776320 14839296 15013194 15071160 15912960 16075904 16230480 17157936 17239040 17312512 17583020 18549120 18587764 19785728 20017592 20094880 20686848 21099624 21447420 21640640 22877248 23234705 24113856 24732160 25021990 25858560 25968768 26374530 27881646 28132832 28596560 29552640 29678592 30026388 30142320 32151808 32460960 32528587 34315872 34478080 34625024 35166040 37098240 37175528 37532985 39571456 40035184 40189760 41373696 42199248 42894840 43281280 45754496 46469410 48227712 49464320 50043980 51717120 51937536 52749060 55763292 56265664 57193120 59357184 60052776 60284640 64303616 64921920 65057174 68631744 68956160 69250048 69704115 70332080 74196480 74351056 75065970 80070368 80379520 84398496 85789680 86562560 91508992 92938820 96455424 97585761 98928640 100087960 103434240 103875072 105498120 111526584 112531328 114386240 118714368 120105552 120569280 128607232 129843840 130114348 137263488 138500096 139408230 140664160 148392960 148702112 150131940 160140736 160759040 162642935 168796992 171579360 173125120 183017984 185877640 192910848 195171522 197857280 200175920 206868480 207750144 210996240 223053168 225062656 228772480 240211104 241138560 257214464 259687680 260228696 274526976 277000192 278816460 281328320 296785920 297404224 300263880 320281472 321518080 325285870 337593984 343158720 346250240 366035968 371755280 385821696 390343044 400351840 415500288 421992480 446106336 450125312 457544960 480422208 482277120 487928805 514428928 519375360 520457392 549053952 557632920 562656640 593571840 594808448 600527760 640562944 643036160 650571740 675187968 686317440 692500480 732071936 743510560 771643392 780686088 800703680 831000576 843984960 892212672 900250624 915089920 960844416 964554240 975857610 1038750720 1040914784 1098107904 1115265840 1125313280 1189616896 1201055520 1281125888 1286072320 1301143480 1350375936 1372634880 1385000960 1464143872 1487021120 1543286784 1561372176 1601407360 1687969920 1784425344 1800501248 1830179840 1921688832 1929108480 1951715220 2077501440 2081829568 2196215808 2230531680 2250626560 2379233792 2402111040 2562251776 2572144640 2602286960 2700751872 2745269760 2974042240 3122744352 3202814720 3375939840 3568850688 3601002496 3660359680 3843377664 3858216960 3903430440 4155002880 4163659136 4392431616 4461063360 4501253120 4758467584 4804222080 5124503552 5204573920 5401503744 5490539520 5948084480 6245488704 6405629440 6751879680 7137701376 7320719360 7686755328 7716433920 7806860880 8327318272 8922126720 9002506240 9516935168 9608444160 10249007104 10409147840 10803007488 10981079040 11896168960 12490977408 12811258880 13503759360 14275402752 15373510656 15613721760 16654636544 17844253440 18005012480 19033870336 19216888320 20818295680 21962158080 23792337920 24981954816 25622517760 27007518720 28550805504 30747021312 31227443520 33309273088 35688506880 38433776640 41636591360 47584675840 49963909632 51245035520 54015037440 57101611008 62454887040 66618546176 71377013760 76867553280 83273182720 95169351680 99927819264 124909774080 133237092352 142754027520 153735106560 166546365440 199855638528 249819548160 285508055040 333092730880 399711277056 499639096320 666185461760 999278192640 1998556385280
• Sum of all divisors σ(n): 8083823451648
• Sum of proper divisors (its aliquot sum) s(n): 6085267066368
• 1998556385280 is an abundant number, because the sum of its proper divisors (6085267066368) is greater than itself. Its abundance is 4086710681088

Bases of 1998556385280

• Binary: 11101000101010011001111100101000000000000₂
• Hexadecimal: 0x1D1533E5000
• Base-36: PI4GVCAO

Squares and roots of 1998556385280

• 1998556385280 squared (1998556385280²) is 3994227625143459800678400
• 1998556385280 cubed (1998556385280³) is 7982689124492231860676812395773952000
• The square root of 1998556385280 is 1413703.0753591789
• The cube root of 1998556385280 is 12596.1783683373

Scales and comparisons

• 1,998,556,385,280 seconds is equal to 63,547 years, 47 weeks, 2 days, 15 hours, 28 minutes.
• To count from 1 to 1,998,556,385,280 would take you about one hundred fifty-eight thousand, eight hundred sixty-nine 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 1998556385280 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998556385280

• 1998556385280 backwards is 0825836558991
• The number of decimal digits it has is: 13
• The sum of 1998556385280's digits is 69
• More coming soon!