18390613213980

Names of 18390613213980

• Cardinal: 18390613213980 can be written as Eighteen trillion, three hundred ninety billion, six hundred thirteen million, two hundred thirteen thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.839061321398 × 10¹³

Factors of 18390613213980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 31951

Divisors of 18390613213980

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 81 84 90 98 105 108 126 135 140 147 162 180 189 196 210 243 245 252 270 271 294 315 324 378 405 420 441 486 490 540 542 567 588 630 729 735 756 810 813 882 945 972 980 1084 1134 1215 1260 1323 1355 1458 1470 1620 1626 1701 1764 1890 1897 2187 2205 2268 2430 2439 2646 2710 2835 2916 2940 3252 3402 3645 3780 3794 3969 4065 4374 4410 4860 4878 5103 5292 5420 5670 5691 6615 6804 7290 7317 7588 7938 8130 8505 8748 8820 9485 9756 10206 10935 11340 11382 11907 12195 13230 13279 14580 14634 15309 15876 16260 17010 17073 18970 19845 20412 21870 21951 22764 23814 24390 25515 26460 26558 28455 29268 30618 31663 34020 34146 35721 36585 37940 39690 39837 43740 43902 47628 48780 51030 51219 53116 56910 59535 61236 63326 65853 66395 68292 71442 73170 76545 79380 79674 85365 87804 94989 102060 102438 107163 109755 113820 119070 119511 126652 131706 132790 142884 146340 153090 153657 158315 159348 170730 178605 189978 197559 199185 204876 214326 219510 221641 238140 239022 256095 263412 265580 284967 306180 307314 316630 329265 341460 357210 358533 379956 395118 398370 428652 439020 443282 460971 474945 478044 512190 535815 569934 592677 597555 614628 633260 658530 664923 714420 717066 768285 790236 796740 854901 886564 921942 949890 987795 1024380 1071630 1075599 1108205 1139868 1185354 1195110 1317060 1329846 1382913 1424835 1434132 1536570 1551487 1709802 1792665 1843884 1899780 1975590 1994769 2143260 2151198 2216410 2304855 2370708 2390220 2564703 2659692 2765826 2849670 2963385 3073140 3102974 3226797 3324615 3419604 3585330 3951180 3989538 4148739 4274505 4302396 4432820 4609710 4654461 5129406 5377995 5531652 5699340 5926770 5984307 6205948 6453594 6649230 6914565 7170660 7694109 7757435 7979076 8297478 8549010 8580673 9219420 9308922 9680391 9973845 10258812 10755990 11853540 11968614 12823515 12907188 13298460 13829130 13963383 15388218 15514870 16133985 16594956 17098020 17161346 17952921 18617844 19360782 19947690 20743695 21511980 23082327 23272305 23937228 25647030 25742019 27658260 27926766 29041173 29921535 30776436 31029740 32267970 34322692 35905842 38470545 38721564 39895380 41487390 41890149 42903365 46164654 46544610 48401955 51294060 51484038 53858763 55853532 58082346 59843070 60064711 64535940 69246981 69816915 71811684 76941090 77226057 82974780 83780298 85806730 89764605 92329308 93089220 96803910 102968076 107717526 115411635 116164692 119686140 120129422 125670447 128710095 138493962 139633830 145205865 153882180 154452114 161576289 167560596 171613460 179529210 180194133 193607820 209450745 215435052 230823270 231678171 240258844 251340894 257420190 269293815 276987924 279267660 290411730 300323555 308904228 323152578 346234905 359058420 360388266 377011341 386130285 418901490 420452977 461646540 463356342 484728867 502681788 514840380 538587630 540582399 580823460 600647110 628352235 646305156 692469810 695034513 720776532 754022682 772260570 807881445 837802980 840905954 900970665 926712684 969457734 1077175260 1081164798 1131034023 1158390855 1201294220 1256704470 1261358931 1384939620 1390069026 1508045364 1544521140 1615762890 1621747197 1681811908 1801941330 1885056705 1938915468 2085103539 2102264885 2162329596 2262068046 2316781710 2423644335 2513408940 2522717862 2702911995 2780138052 3231525780 3243494394 3393102069 3475172565 3603882660 3770113410 3784076793 4170207078 4204529770 4524136092 4633563420 4847288670 4865241591 5045435724 5405823990 5655170115 6255310617 6306794655 6486988788 6786204138 6950345130 7540226820 7568153586 8108735985 8340414156 8409059540 9694577340 9730483182 10425517695 10811647980 11310340230 11352230379 12510621234 12613589310 13572408276 13900690260 14595724773 15136307172 16217471970 16965510345 18765931851 18920383965 19460966364 20851035390 22620680460 22704460758 24326207955 25021242468 25227178620 29191449546 31276553085 32434943940 33931020690 34056691137 37531863702 37840767930 41702070780 43787174319 45408921516 48652415910 56761151895 58382899092 62553106170 67862041380 68113382274 72978623865 75063727404 75681535860 87574348638 93829659255 97304831820 102170073411 113522303790 125106212340 131361522957 136226764548 145957247730 170283455685 175148697276 187659318510 204340146822 218935871595 227044607580 262723045914 291914495460 306510220233 340566911370 375318637020 408680293644 437871743190 510850367055 525446091828 613020440466 656807614785 681133822740 875743486380 919530660699 1021700734110 1226040880932 1313615229570 1532551101165 1839061321398 2043401468220 2627230459140 3065102202330 3678122642796 4597653303495 6130204404660 9195306606990 18390613213980
• Sum of all divisors σ(n): 67628954050560
• Sum of proper divisors (its aliquot sum) s(n): 49238340836580
• 18390613213980 is an abundant number, because the sum of its proper divisors (49238340836580) is greater than itself. Its abundance is 30847727622600

Bases of 18390613213980

• Binary: 100001011100111100101111101111100001100011100₂
• Hexadecimal: 0x10B9E5F7C31C
• Base-36: 6IOJ49XR0

Squares and roots of 18390613213980

• 18390613213980 squared (18390613213980²) is 338214654386215785267440400
• 18390613213980 cubed (18390613213980³) is 6219974892116818786907051628492096792000
• The square root of 18390613213980 is 4288427.8254367299
• The cube root of 18390613213980 is 26395.6323190205

Scales and comparisons

• 18,390,613,213,980 seconds is equal to 584,764 years, 31 weeks, 6 days, 14 hours, 33 minutes.
• To count from 1 to 18,390,613,213,980 would take you about one million, four hundred sixty-one thousand, nine hundred eleven 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 18390613213980 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18390613213980

• 18390613213980 backwards is 08931231609381
• 18390613213980 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18390613213980's digits is 54
• More coming soon!