18028707840

Names of 18028707840

• Cardinal: 18028707840 can be written as Eighteen billion, twenty-eight million, seven hundred seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.802870784 × 10¹⁰

Factors of 18028707840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 53

Divisors of 18028707840

• Number of divisors d(n): 1200
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 19 20 22 24 26 27 30 32 33 36 38 39 40 44 45 48 52 54 55 57 60 64 65 66 72 76 78 80 81 88 90 95 96 99 104 108 110 114 117 120 128 130 132 135 143 144 152 156 160 162 165 171 176 180 190 192 195 198 208 209 216 220 228 234 240 247 256 260 264 270 285 286 288 297 304 312 320 324 330 342 351 352 360 380 384 390 396 405 416 418 429 432 440 456 468 480 494 495 512 513 520 528 540 570 572 576 585 594 608 624 627 640 648 660 684 702 704 715 720 741 760 768 780 792 810 832 836 855 858 864 880 891 912 936 960 988 990 1024 1026 1040 1045 1053 1056 1080 1140 1144 1152 1170 1188 1216 1235 1248 1254 1280 1287 1296 1320 1368 1404 1408 1430 1440 1482 1485 1520 1536 1539 1560 1584 1620 1664 1672 1710 1716 1728 1755 1760 1782 1824 1872 1881 1920 1976 1980 2048 2052 2080 2090 2106 2112 2145 2160 2223 2280 2288 2304 2340 2376 2432 2470 2496 2508 2560 2565 2574 2592 2640 2717 2736 2808 2816 2860 2880 2964 2970 3040 3072 3078 3120 3135 3168 3240 3328 3344 3420 3432 3456 3510 3520 3564 3648 3705 3744 3762 3840 3861 3952 3960 4096 4104 4160 4180 4212 4224 4290 4320 4446 4455 4560 4576 4608 4680 4752 4864 4940 4992 5016 5120 5130 5148 5184 5265 5280 5434 5472 5616 5632 5643 5720 5760 5928 5940 6080 6144 6156 6240 6270 6336 6435 6480 6656 6669 6688 6840 6864 6912 7020 7040 7128 7296 7410 7488 7524 7680 7695 7722 7904 7920 8151 8192 8208 8320 8360 8424 8448 8580 8640 8892 8910 9120 9152 9216 9360 9405 9504 9728 9880 9984 10032 10240 10260 10296 10368 10530 10560 10868 10944 11115 11232 11264 11286 11440 11520 11583 11856 11880 12160 12288 12312 12480 12540 12672 12870 12960 13312 13338 13376 13585 13680 13728 13824 14040 14080 14256 14592 14820 14976 15048 15360 15390 15444 15808 15840 16302 16384 16416 16640 16720 16848 16896 16929 17160 17280 17784 17820 18240 18304 18432 18720 18810 19008 19305 19456 19760 19968 20007 20064 20480 20520 20592 20736 21060 21120 21736 21888 22230 22464 22528 22572 22880 23040 23166 23712 23760 24320 24453 24576 24624 24960 25080 25344 25740 25920 26624 26676 26752 27170 27360 27456 27648 28080 28160 28215 28512 29184 29640 29952 30096 30720 30780 30888 31616 31680 32604 32832 33280 33345 33440 33696 33792 33858 34320 34560 35568 35640 36480 36608 36864 37440 37620 38016 38610 38912 39520 39936 40014 40128 40755 40960 41040 41184 41472 42120 42240 43472 43776 44460 44928 45056 45144 45760 46080 46332 47424 47520 48640 48906 49152 49248 49920 50160 50688 51480 51840 53248 53352 53504 54340 54720 54912 55296 56160 56320 56430 57024 57915 58368 59280 59904 60192 61440 61560 61776 63232 63360 65208 65664 66560 66690 66880 67392 67584 67716 68640 69120 71136 71280 72960 73216 73359 73728 74880 75240 76032 77220 77824 79040 79872 80028 80256 81510 81920 82080 82368 82944 84240 84480 84645 86944 87552 88920 89856 90112 90288 91520 92160 92664 94848 95040 97280 97812 98496 99840 100035 100320 101376 102960 103680 106496 106704 107008 108680 109440 109824 110592 112320 112640 112860 114048 115830 116736 118560 119808 120384 122265 122880 123120 123552 126464 126720 130416 131328 133120 133380 133760 134784 135168 135432 137280 138240 142272 142560 145920 146432 146718 147456 149760 150480 152064 154440 155648 158080 159744 160056 160512 163020 164160 164736 165888 168480 168960 169290 173888 175104 177840 179712 180224 180576 183040 184320 185328 189696 190080 194560 195624 196992 199680 200070 200640 202752 205920 207360 212992 213408 214016 217360 218880 219648 220077 221184 224640 225280 225720 228096 231660 233472 237120 239616 240768 244530 245760 246240 247104 252928 253440 260832 262656 266240 266760 267520 269568 270336 270864 274560 276480 284544 285120 291840 292864 293436 299520 300960 304128 308880 311296 316160 319488 320112 321024 326040 328320 329472 331776 336960 337920 338580 347776 350208 355680 359424 361152 366080 366795 368640 370656 379392 380160 389120 391248 393984 399360 400140 401280 405504 411840 414720 426816 428032 434720 437760 439296 440154 442368 449280 450560 451440 456192 463320 466944 474240 479232 481536 489060 492480 494208 505856 506880 521664 525312 532480 533520 535040 539136 540672 541728 549120 552960 569088 570240 583680 585728 586872 599040 601920 608256 617760 632320 638976 640224 642048 652080 656640 658944 663552 673920 675840 677160 695552 700416 711360 718848 722304 732160 733590 737280 741312 758784 760320 778240 782496 787968 798720 800280 802560 811008 823680 829440 853632 856064 869440 875520 878592 880308 898560 901120 902880 912384 926640 933888 948480 958464 963072 978120 984960 988416 1011712 1013760 1043328 1050624 1064960 1067040 1070080 1078272 1083456 1098240 1100385 1105920 1138176 1140480 1167360 1171456 1173744 1198080 1203840 1216512 1235520 1264640 1280448 1284096 1304160 1313280 1317888 1327104 1347840 1351680 1354320 1391104 1400832 1422720 1437696 1444608 1464320 1467180 1482624 1517568 1520640 1556480 1564992 1575936 1597440 1600560 1605120 1622016 1647360 1658880 1707264 1712128 1738880 1751040 1757184 1760616 1797120 1805760 1824768 1853280 1896960 1916928 1926144 1956240 1969920 1976832 2023424 2027520 2086656 2101248 2134080 2140160 2156544 2166912 2196480 2200770 2211840 2276352 2280960 2334720 2342912 2347488 2396160 2407680 2433024 2471040 2529280 2560896 2568192 2608320 2626560 2635776 2695680 2703360 2708640 2782208 2801664 2845440 2875392 2889216 2928640 2934360 2965248 3035136 3041280 3129984 3151872 3194880 3201120 3210240 3294720 3317760 3414528 3424256 3477760 3502080 3514368 3521232 3594240 3611520 3649536 3706560 3793920 3852288 3912480 3939840 3953664 4046848 4055040 4173312 4202496 4268160 4280320 4313088 4333824 4392960 4401540 4552704 4561920 4669440 4694976 4792320 4815360 4866048 4942080 5058560 5121792 5136384 5216640 5253120 5271552 5391360 5417280 5564416 5690880 5750784 5778432 5857280 5868720 5930496 6070272 6082560 6259968 6303744 6402240 6420480 6589440 6635520 6829056 6955520 7004160 7028736 7042464 7188480 7223040 7299072 7413120 7587840 7704576 7824960 7879680 7907328 8110080 8346624 8404992 8536320 8560640 8626176 8667648 8785920 8803080 9105408 9123840 9389952 9584640 9630720 9884160 10117120 10243584 10272768 10433280 10506240 10543104 10782720 10834560 11128832 11381760 11556864 11714560 11737440 11860992 12140544 12165120 12519936 12607488 12804480 12840960 13178880 13658112 13911040 14008320 14084928 14376960 14446080 14598144 14826240 15175680 15409152 15649920 15759360 15814656 16693248 17072640 17121280 17252352 17335296 17571840 17606160 18210816 18247680 18779904 19261440 19768320 20234240 20487168 20866560 21012480 21086208 21565440 21669120 22257664 22763520 23113728 23474880 23721984 24330240 25039872 25214976 25608960 25681920 26357760 27316224 27822080 28169856 28753920 28892160 29652480 30351360 30818304 31299840 31518720 31629312 33386496 34145280 34670592 35143680 35212320 36421632 36495360 37559808 38522880 39536640 40974336 41733120 42024960 43130880 43338240 44515328 45527040 46227456 46949760 47443968 50079744 51217920 51363840 52715520 54632448 55644160 56339712 57784320 59304960 60702720 62599680 63037440 63258624 66772992 68290560 69341184 70424640 72990720 75119616 77045760 79073280 81948672 83466240 86261760 86676480 91054080 92454912 93899520 94887936 100159488 102435840 105431040 109264896 111288320 112679424 115568640 118609920 125199360 126074880 133545984 136581120 138682368 140849280 150239232 154091520 158146560 163897344 166932480 173352960 182108160 187799040 189775872 200318976 204871680 222576640 225358848 231137280 237219840 250398720 273162240 277364736 281698560 300478464 316293120 327794688 333864960 346705920 375598080 400637952 409743360 450717696 462274560 474439680 500797440 546324480 563397120 600956928 667729920 693411840 751196160 819486720 901435392 948879360 1001594880 1126794240 1201913856 1386823680 1502392320 1638973440 1802870784 2003189760 2253588480 3004784640 3605741568 4507176960 6009569280 9014353920 18028707840
• Sum of all divisors σ(n): 79930509120
• Sum of proper divisors (its aliquot sum) s(n): 61901801280
• 18028707840 is an abundant number, because the sum of its proper divisors (61901801280) is greater than itself. Its abundance is 43873093440

Bases of 18028707840

• Binary: 10000110010100110000100000000000000₂
• Hexadecimal: 0x432984000
• Base-36: 8A5TS00

Squares and roots of 18028707840

• 18028707840 squared (18028707840²) is 325034306380077465600
• 18028707840 cubed (18028707840³) is 5859948547703464623870050304000
• The square root of 18028707840 is 134271.0238286727
• The cube root of 18028707840 is 2622.1339101841

Scales and comparisons

• 18,028,707,840 seconds is equal to 573 years, 13 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 18,028,707,840 would take you about one 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 18028707840 cubic inches would be around 218.5 feet tall.

Recreational maths with 18028707840

• 18028707840 backwards is 04870782081
• 18028707840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18028707840's digits is 45
• More coming soon!