18997655040

Names of 18997655040

• Cardinal: 18997655040 can be written as Eighteen billion, nine hundred ninety-seven million, six hundred fifty-five thousand and forty.

Scientific notation

• Scientific notation: 1.899765504 × 10¹⁰

Factors of 18997655040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 88

Divisors of 18997655040

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 20 21 24 26 28 30 32 34 35 36 39 40 41 42 45 48 51 52 56 60 63 64 65 68 70 72 78 80 82 84 85 90 91 96 102 104 105 112 117 119 120 123 126 128 130 136 140 144 153 156 160 164 168 169 170 180 182 192 195 204 205 208 210 221 224 234 238 240 246 252 255 256 260 272 273 280 287 288 306 312 315 320 328 336 338 340 357 360 364 369 384 390 408 410 416 420 442 448 455 468 476 480 492 504 507 510 512 520 533 544 546 560 574 576 585 595 612 615 624 630 640 656 663 672 676 680 697 714 720 728 738 765 768 780 816 819 820 832 840 845 861 884 896 910 936 952 960 984 1008 1014 1020 1040 1066 1071 1088 1092 1105 1120 1148 1152 1170 1183 1190 1224 1230 1248 1260 1280 1312 1326 1344 1352 1360 1365 1394 1428 1435 1440 1456 1476 1521 1530 1536 1547 1560 1599 1632 1638 1640 1664 1680 1690 1722 1768 1785 1792 1820 1845 1872 1904 1920 1968 1989 2016 2028 2040 2080 2091 2132 2142 2176 2184 2210 2240 2296 2304 2340 2366 2380 2448 2460 2496 2520 2535 2560 2583 2624 2652 2665 2688 2704 2720 2730 2788 2856 2870 2873 2880 2912 2952 3042 3060 3094 3120 3198 3264 3276 3280 3315 3328 3360 3380 3444 3485 3536 3549 3570 3584 3640 3690 3731 3744 3808 3840 3936 3978 4032 4056 4080 4095 4160 4182 4264 4284 4305 4352 4368 4420 4480 4592 4608 4641 4680 4732 4760 4797 4879 4896 4920 4992 5040 5070 5166 5248 5304 5330 5355 5376 5408 5440 5460 5576 5712 5740 5746 5760 5824 5904 5915 6084 6120 6188 6240 6273 6396 6528 6552 6560 6630 6656 6720 6760 6888 6929 6970 7072 7098 7140 7280 7380 7462 7488 7605 7616 7680 7735 7872 7956 7995 8064 8112 8160 8190 8320 8364 8528 8568 8610 8619 8704 8736 8840 8960 9061 9184 9282 9360 9464 9520 9594 9758 9792 9840 9945 9984 10080 10140 10332 10455 10496 10608 10647 10660 10710 10752 10816 10880 10920 11152 11193 11424 11480 11492 11520 11648 11808 11830 12168 12240 12376 12480 12546 12792 12915 13056 13104 13120 13260 13440 13520 13776 13858 13923 13940 14144 14196 14280 14365 14560 14637 14760 14924 14976 15210 15232 15470 15744 15912 15990 16128 16224 16320 16380 16640 16728 17056 17136 17220 17238 17472 17680 17745 17920 18122 18368 18564 18655 18720 18928 19040 19188 19516 19584 19680 19890 19968 20111 20160 20280 20664 20787 20910 20992 21216 21294 21320 21420 21632 21760 21840 22304 22386 22848 22960 22984 23040 23205 23296 23616 23660 23985 24336 24395 24480 24752 24960 25092 25584 25830 25857 26112 26208 26240 26520 26880 27040 27183 27552 27716 27846 27880 28288 28392 28560 28730 29120 29274 29520 29848 29952 30420 30464 30940 31365 31488 31824 31980 32256 32448 32640 32760 33280 33456 33579 34112 34272 34440 34476 34645 34944 35360 35490 36244 36736 37128 37310 37440 37856 38080 38376 39032 39168 39360 39780 40222 40320 40560 41328 41574 41820 42432 42588 42640 42840 43095 43264 43520 43680 43911 44608 44772 45305 45696 45920 45968 46410 46592 47232 47320 47970 48503 48672 48790 48960 49504 49920 50184 51168 51660 51714 52416 52480 53040 53235 53760 54080 54366 55104 55432 55692 55760 55965 56576 56784 57120 57460 58240 58548 59040 59696 59904 60333 60840 60928 61880 62361 62730 62976 63427 63648 63960 64896 65280 65520 66912 67158 68224 68544 68880 68952 69290 69615 69888 70720 70980 72488 73185 73472 74256 74620 74880 75712 76160 76752 78064 78336 78720 79560 80444 80640 81120 81549 82656 83148 83640 84864 85176 85280 85680 86190 86528 87360 87822 89216 89544 90610 91392 91840 91936 92820 94464 94640 95940 97006 97344 97580 97920 99008 99840 100368 100555 102336 103320 103428 103935 104832 104960 106080 106470 108160 108732 110208 110864 111384 111520 111930 113152 113568 114240 114920 116480 117096 117793 118080 119392 120666 121680 123760 124722 125460 126854 127296 127920 129285 129792 130560 131040 133824 134316 135915 136448 137088 137760 137904 138580 139230 139776 141440 141960 144976 145509 146370 146944 148512 149240 149760 151424 152320 153504 156128 157440 159120 160888 161280 162240 163098 165312 166296 167280 167895 169728 170352 170560 171360 172380 174720 175644 178432 179088 180999 181220 182784 183680 183872 185640 188928 189280 190281 191880 194012 194688 195160 195840 198016 200736 201110 204672 206640 206856 207870 209664 212160 212940 216320 217464 219555 220416 221728 222768 223040 223860 227136 228480 229840 232960 234192 235586 236160 238784 241332 242515 243360 247520 249444 250920 253708 254592 255840 258570 259584 262080 267648 268632 271830 272896 274176 275520 275808 277160 278460 282880 283920 289952 291018 292740 297024 298480 299520 301665 302848 304640 307008 311805 312256 314880 317135 318240 321776 324480 326196 330624 332592 334560 335790 339456 340704 341120 342720 344760 349440 351288 353379 356864 358176 361998 362440 367360 367744 371280 378560 380562 383760 388024 389376 390320 391680 396032 401472 402220 407745 409344 413280 413712 415740 419328 424320 425880 432640 434928 436527 439110 440832 443456 445536 446080 447720 454272 456960 459680 468384 471172 472320 477568 482664 485030 486720 495040 498888 501840 507416 509184 511680 517140 524160 535296 537264 543660 548352 551040 551616 554320 556920 565760 567840 570843 579904 582036 585480 588965 594048 596960 603330 605696 614016 623610 624512 634270 636480 643552 648960 652392 661248 665184 669120 671580 681408 682240 685440 689520 698880 702576 706758 716352 723996 724880 727545 734720 735488 742560 757120 761124 767520 776048 778752 780640 792064 802944 804440 815490 818688 824551 826560 827424 831480 848640 851760 869856 873054 878220 886912 891072 892160 895440 904995 908544 913920 919360 936768 942344 944640 951405 955136 965328 970060 973440 990080 997776 1003680 1014832 1018368 1023360 1034280 1048320 1060137 1070592 1074528 1087320 1102080 1103232 1108640 1113840 1135680 1141686 1159808 1164072 1170960 1177930 1188096 1193920 1206660 1228032 1247220 1249024 1268540 1272960 1287104 1297920 1304784 1322496 1330368 1338240 1343160 1362816 1364480 1370880 1379040 1405152 1413516 1432704 1447992 1449760 1455090 1470976 1485120 1514240 1522248 1535040 1552096 1561280 1605888 1608880 1630980 1649102 1653120 1654848 1662960 1697280 1703520 1739712 1746108 1756440 1766895 1773824 1782144 1784320 1790880 1809990 1817088 1838720 1873536 1884688 1902810 1910272 1930656 1940120 1946880 1980160 1995552 2007360 2029664 2046720 2068560 2096640 2120274 2149056 2174640 2182635 2204160 2206464 2217280 2227680 2271360 2283372 2319616 2328144 2341920 2355860 2376192 2387840 2413320 2456064 2473653 2494440 2498048 2537080 2545920 2574208 2609568 2660736 2676480 2686320 2725632 2741760 2758080 2810304 2827032 2854215 2865408 2895984 2899520 2910180 2970240 3028480 3044496 3070080 3104192 3122560 3211776 3217760 3261960 3298204 3306240 3309696 3325920 3407040 3479424 3492216 3512880 3533790 3547648 3564288 3581760 3619980 3677440 3747072 3769376 3805620 3861312 3880240 3893760 3960320 3991104 4014720 4059328 4093440 4122755 4137120 4240548 4298112 4349280 4365270 4412928 4434560 4455360 4542720 4566744 4639232 4656288 4683840 4711720 4775680 4826640 4947306 4988880 5074160 5091840 5148416 5219136 5300685 5321472 5352960 5372640 5451264 5516160 5620608 5654064 5708430 5730816 5791968 5799040 5820360 5940480 6088992 6140160 6208384 6245120 6435520 6523920 6596408 6612480 6619392 6651840 6814080 6958848 6984432 7025760 7067580 7128576 7163520 7239960 7354880 7420959 7494144 7538752 7611240 7722624 7760480 7982208 8029440 8118656 8245510 8274240 8481096 8596224 8698560 8730540 8869120 8910720 9085440 9133488 9312576 9367680 9423440 9551360 9653280 9894612 9977760 10148320 10296832 10438272 10601370 10642944 10745280 11032320 11241216 11308128 11416860 11583936 11598080 11640720 11880960 12177984 12280320 12368265 12416768 12490240 12871040 13047840 13192816 13238784 13303680 13628160 13917696 13968864 14051520 14135160 14327040 14479920 14841918 15077504 15222480 15445248 15520960 15964416 16058880 16237312 16491020 16548480 16962192 17192448 17397120 17461080 17738240 17821440 18266976 18625152 18735360 18846880 19306560 19789224 19955520 20296640 20876544 21202740 21490560 22064640 22482432 22616256 22833720 23167872 23196160 23281440 24355968 24736530 24833536 25742080 26095680 26385632 26607360 27256320 27937728 28103040 28270320 28654080 28959840 29683836 30155008 30444960 30890496 31041920 31928832 32474624 32982040 33096960 33924384 34794240 34922160 35642880 36533952 37104795 37250304 37470720 37693760 38613120 39578448 39911040 40593280 41753088 42405480 42981120 45232512 45667440 46335744 46562880 48711936 49473060 51484160 52191360 52771264 53214720 55875456 56206080 56540640 57919680 59367672 60310016 60889920 62083840 65964080 66193920 67848768 69588480 69844320 73067904 74209590 74500608 75387520 77226240 79156896 79822080 81186560 84810960 85962240 90465024 91334880 92671488 93125760 97423872 98946120 104382720 105542528 111750912 112412160 113081280 115839360 118735344 121779840 124167680 131928160 135697536 139688640 146135808 148419180 150775040 154452480 158313792 159644160 162373120 169621920 180930048 182669760 186251520 197892240 208765440 211085056 223501824 226162560 231678720 237470688 243559680 263856320 271395072 279377280 292271616 296838360 301550080 316627584 339243840 365339520 372503040 395784480 422170112 452325120 463357440 474941376 487119360 527712640 542790144 558754560 593676720 633255168 678487680 730679040 791568960 904650240 949882752 1055425280 1117509120 1187353440 1266510336 1356975360 1461358080 1583137920 1899765504 2110850560 2374706880 2713950720 3166275840 3799531008 4749413760 6332551680 9498827520 18997655040
• Sum of all divisors σ(n): 88314722496
• Sum of proper divisors (its aliquot sum) s(n): 69317067456
• 18997655040 is an abundant number, because the sum of its proper divisors (69317067456) is greater than itself. Its abundance is 50319412416

Bases of 18997655040

• Binary: 10001101100010110010011011000000000₂
• Hexadecimal: 0x46C593600
• Base-36: 8Q6POG0

Squares and roots of 18997655040

• 18997655040 squared (18997655040²) is 360910897018837401600
• 18997655040 cubed (18997655040³) is 6856460721740837337446744064000
• The square root of 18997655040 is 137831.9811944963
• The cube root of 18997655040 is 2668.2918670979

Scales and comparisons

• 18,997,655,040 seconds is equal to 604 years, 3 weeks, 3 days, 6 hours, 24 minutes.
• To count from 1 to 18,997,655,040 would take you about one thousand, two hundred 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 18997655040 cubic inches would be around 222.4 feet tall.

Recreational maths with 18997655040

• 18997655040 backwards is 04055679981
• The number of decimal digits it has is: 11
• The sum of 18997655040's digits is 54
• More coming soon!