18421790644530

Names of 18421790644530

• Cardinal: 18421790644530 can be written as Eighteen trillion, four hundred twenty-one billion, seven hundred ninety million, six hundred forty-four thousand, five hundred thirty.

Scientific notation

• Scientific notation: 1.842179064453 × 10¹³

Factors of 18421790644530

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 602

Divisors of 18421790644530

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 54 63 65 70 78 81 90 91 105 117 126 130 135 162 169 182 189 195 210 234 241 270 273 315 331 338 351 378 390 405 455 482 507 546 567 585 630 662 702 723 810 819 845 910 945 993 1014 1053 1134 1170 1183 1205 1365 1446 1521 1638 1655 1687 1690 1755 1890 1986 2106 2169 2317 2366 2410 2457 2535 2730 2835 2979 3042 3133 3310 3374 3510 3549 3615 4095 4303 4338 4563 4634 4914 4965 5061 5070 5265 5670 5915 5958 6266 6507 6951 7098 7230 7371 7605 8190 8435 8606 8937 9126 9399 9930 10122 10530 10647 10845 11585 11830 12285 12909 13014 13689 13902 14742 14895 15183 15210 15665 16870 17745 17874 18798 19521 20853 21294 21515 21690 21931 22815 23170 24570 25305 25818 26811 27378 28197 29790 30121 30366 31330 31941 32535 34755 35490 36855 38727 39042 40729 41706 43030 43862 44685 45549 45630 46995 50610 53235 53622 55939 56394 58081 60242 62559 63882 64545 65070 65793 68445 69510 73710 75915 77454 79771 81458 84591 89370 90363 91098 93990 95823 97605 104265 106470 109655 111878 116162 116181 122187 125118 129090 131586 134055 136647 136890 140985 150605 151830 159542 159705 167817 169182 174243 180726 187677 191646 193635 195210 197379 203645 208530 219310 227745 232362 239313 244374 253773 268110 271089 273294 279695 281970 285103 290405 301210 312795 319410 328965 335634 348486 348543 366561 375354 387270 391573 394758 398855 406567 407290 422955 451815 455490 478626 479115 503451 507546 522729 542178 558397 559390 570206 580810 580905 592137 610935 625590 657930 683235 697086 717939 733122 755053 783146 797710 813134 813267 839085 845910 855309 871215 903630 938385 958230 986895 1006902 1037023 1045458 1099683 1116794 1161810 1174719 1184274 1196565 1219701 1221870 1268865 1355445 1366470 1425515 1435878 1510106 1510353 1568187 1626534 1675191 1678170 1710618 1742430 1742715 1776411 1832805 1876770 1957865 1973790 2032835 2074046 2153817 2199366 2265159 2349438 2393130 2439402 2439801 2517255 2537730 2565927 2613645 2710890 2791985 2851030 2960685 3020706 3111069 3136374 3299049 3350382 3485430 3524157 3552822 3589695 3659103 3665610 3775265 3915730 4065670 4066335 4276545 4307634 4530318 4531059 4704561 4879602 5025573 5034510 5131854 5185115 5227290 5285371 5498415 5583970 5873595 5921370 6098505 6222138 6461451 6598098 6795477 7048314 7179390 7259161 7318206 7550530 7551765 7697781 7840935 8132670 8375955 8553090 8882055 9062118 9333207 9409122 9815689 10051146 10370230 10570742 10572471 10769085 10977309 10996830 11325795 11747190 12197010 12199005 12829635 12922902 13481299 13590954 14518322 15076719 15103530 15395562 15555345 15681870 15856113 16495245 16751910 17620785 17764110 18295515 18666414 19224811 19631378 20386431 21144942 21538170 21777483 21954618 22651590 22655295 23093343 23522805 24398010 25127865 25659270 26426855 26962598 27999621 29447067 30153438 31110690 31712226 31717413 32307255 32931927 32990490 33977385 35241570 36295805 36591030 38449622 38488905 40443897 40772862 43554966 45230157 45310590 46186686 46666035 47045610 47568339 49078445 50255730 52853710 52862355 54886545 55999242 57674433 58894134 61159293 63434826 64614510 65332449 65863854 67406495 67954770 68709823 72591610 75383595 76977810 79280565 80887794 83998863 88341201 90460314 93332070 94369093 95136678 96124055 98156890 101932155 105724710 108887415 109773090 115348866 115466715 121331691 122318586 130664898 134573677 134812990 137419646 139998105 142705017 147235335 150767190 158561130 158587065 164659635 167997726 173023299 176682402 188738186 192248110 195997347 202219485 203864310 206129469 217774830 226150785 230933430 237841695 242663382 249922543 265023603 269147354 279996210 283107279 285410034 288372165 294470670 305796465 317174130 326662245 329319270 343549115 346046598 363995073 391994694 403721031 404438970 412258938 419994315 428115051 441706005 452301570 471845465 475683390 499845086 519069897 530047206 566214558 576744330 587992041 606658455 611592930 618388407 653324490 672868385 687098230 713525085 727990146 749767629 795070809 807442062 839988630 849321837 856230102 865116495 883412010 943690930 979986735 1030647345 1038139794 1091985219 1175984082 1211163093 1213316910 1236776814 1249612715 1325118015 1345736770 1415536395 1427050170 1499535258 1557209691 1590141618 1698643674 1730232990 1749457801 1819975365 1855165221 1959973470 2018605155 2061294690 2140575255 2183970438 2249302887 2422326186 2499225430 2547965511 2595349485 2650236030 2831072790 2939960205 3091942035 3114419382 3248993059 3498915602 3633489279 3639950730 3710330442 3748838145 3975354045 4037210310 4246609185 4281150510 4498605774 5095931022 5190698970 5248373403 5459926095 5565495663 5879920410 6055815465 6183884070 6497986118 6747908661 7266978558 7497676290 7643896533 7786048455 7950708090 8493218370 8747289005 9275826105 9746979177 10496746806 10900467837 10919852190 11130991326 11246514435 12111630930 12739827555 13495817322 15287793066 15572096910 15745120209 16244965295 17494578010 18167446395 18551652210 19493958354 20243725983 21800935674 22493028870 22742951413 25479655110 26241867015 27827478315 29240937531 31490240418 32489930590 33739543305 36334892790 38219482665 40487451966 45485902826 47235360627 48734895885 52483734030 54502339185 55654956630 58481875062 67479086610 68228854239 76438965330 78725601045 87722812593 94470721254 97469791770 101218629915 109004678370 113714757065 136457708478 141706081881 146204687655 157451202090 175445625186 202437259830 204686562717 227429514130 236176803135 263168437779 283412163762 292409375310 341144271195 409373125434 438614062965 472353606270 526336875558 614059688151 682288542390 708530409405 877228125930 1023432813585 1228119376302 1315842188895 1417060818810 1842179064453 2046865627170 2631684377790 3070298440755 3684358128906 6140596881510 9210895322265 18421790644530
• Sum of all divisors σ(n): 61741459403712
• Sum of proper divisors (its aliquot sum) s(n): 43319668759182
• 18421790644530 is an abundant number, because the sum of its proper divisors (43319668759182) is greater than itself. Its abundance is 24897878114652

Bases of 18421790644530

• Binary: 100001100000100101000010010011001100100110010₂
• Hexadecimal: 0x10C128499932
• Base-36: 6J2UQIH4I

Squares and roots of 18421790644530

• 18421790644530 squared (18421790644530²) is 339362370550893032818920900
• 18421790644530 cubed (18421790644530³) is 6251662542919964454220355289190087677000
• The square root of 18421790644530 is 4292061.3514405873
• The cube root of 18421790644530 is 26410.5399855221

Scales and comparisons

• 18,421,790,644,530 seconds is equal to 585,755 years, 49 weeks, 6 days, 11 hours, 55 minutes, 30 seconds.
• To count from 1 to 18,421,790,644,530 would take you about one million, four hundred sixty-four thousand, three hundred eighty-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 18421790644530 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421790644530

• 18421790644530 backwards is 03544609712481
• 18421790644530 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18421790644530's digits is 54
• More coming soon!