18678917996928

Names of 18678917996928

• Cardinal: 18678917996928 can be written as Eighteen trillion, six hundred seventy-eight billion, nine hundred seventeen million, nine hundred ninety-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8678917996928 × 10¹³

Factors of 18678917996928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 336

Divisors of 18678917996928

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 127 128 144 162 168 189 192 197 216 224 243 252 254 288 324 336 378 381 384 394 432 448 486 504 508 567 576 591 648 672 729 756 762 788 864 889 896 972 1008 1016 1134 1143 1152 1182 1296 1344 1379 1458 1512 1524 1576 1701 1728 1773 1778 1944 2016 2032 2187 2268 2286 2364 2592 2667 2688 2758 2916 3024 3048 3152 3402 3429 3456 3546 3556 3888 4032 4064 4137 4374 4536 4572 4728 5103 5184 5319 5334 5516 5832 6048 6096 6304 6561 6804 6858 7092 7112 7776 8001 8064 8128 8274 8748 9072 9144 9456 10206 10287 10368 10638 10668 11032 11664 12096 12192 12411 12608 13122 13608 13716 14184 14224 15309 15552 15957 16002 16129 16256 16548 17496 18144 18288 18912 20412 20574 21276 21336 22064 23328 24003 24192 24384 24822 25019 25216 26244 27216 27432 28368 28448 30618 30861 31104 31914 32004 32258 33096 34992 36288 36576 37233 37824 40824 41148 42552 42672 44128 45927 46656 47871 48006 48387 48768 49644 50038 52488 54432 54864 56736 56896 61236 61722 63828 64008 64516 66192 69984 72009 72576 73152 74466 75057 75648 81648 82296 85104 85344 88256 91854 92583 93312 95742 96012 96774 99288 100076 104976 108864 109728 111699 112903 113472 113792 122472 123444 127656 128016 129032 132384 139968 143613 144018 145161 146304 148932 150114 163296 164592 170208 170688 175133 176512 183708 185166 191484 192024 193548 198576 200152 209952 216027 217728 219456 223398 225171 225806 226944 244944 246888 255312 256032 258064 264768 277749 279936 287226 288036 290322 297864 300228 326592 329184 335097 338709 340416 341376 350266 367416 370332 382968 384048 387096 397152 400304 419904 430839 432054 435483 438912 446796 450342 451612 489888 493776 510624 512064 516128 525399 529536 555498 574452 576072 580644 595728 600456 648081 653184 658368 670194 675513 677418 680832 700532 734832 740664 765936 768096 774192 794304 800608 833247 839808 861678 864108 870966 893592 900684 903224 979776 987552 1005291 1016127 1021248 1024128 1032256 1050798 1110996 1148904 1152144 1161288 1191456 1200912 1292517 1296162 1306449 1316736 1340388 1351026 1354836 1401064 1469664 1481328 1531872 1536192 1548384 1576197 1588608 1601216 1666494 1723356 1728216 1741932 1787184 1801368 1806448 1944243 1959552 1975104 2010582 2026539 2032254 2042496 2064512 2101596 2221992 2297808 2304288 2322576 2382912 2401824 2585034 2592324 2612898 2680776 2702052 2709672 2802128 2939328 2962656 3015873 3048381 3063744 3072384 3096768 3152394 3177413 3202432 3332988 3446712 3456432 3483864 3574368 3602736 3612896 3888486 3919347 3950208 4021164 4053078 4064508 4203192 4443984 4595616 4608576 4645152 4728591 4765824 4803648 5170068 5184648 5225796 5361552 5404104 5419344 5604256 5832729 5878656 5925312 6031746 6079617 6096762 6127488 6193536 6304788 6354826 6665976 6893424 6912864 6967728 7148736 7205472 7225792 7776972 7838694 8042328 8106156 8129016 8406384 8887968 9047619 9145143 9191232 9217152 9290304 9457182 9532239 9607296 10340136 10369296 10451592 10723104 10808208 10838688 11208512 11665458 11758041 11850624 12063492 12159234 12193524 12609576 12709652 13331952 13786848 13825728 13935456 14185773 14297472 14410944 14451584 15553944 15677388 16084656 16212312 16258032 16812768 17775936 18095238 18238851 18290286 18382464 18580608 18914364 19064478 20680272 20738592 20903184 21446208 21616416 21677376 22241891 22417024 23330916 23516082 24126984 24318468 24387048 25219152 25419304 26663904 27435429 27573696 27651456 27870912 28371546 28596717 28821888 31107888 31354776 32169312 32424624 32516064 33625536 35274123 35551872 36190476 36477702 36580572 37828728 38128956 41360544 41477184 41806368 42557319 42892416 43232832 43354752 44483782 46661832 47032164 48253968 48636936 48774096 50438304 50838608 53327808 54716553 54870858 55147392 55741824 56743092 57193434 62215776 62709552 64338624 64849248 65032128 66725673 67251072 70548246 72380952 72955404 73161144 75657456 76257912 82306287 82721088 82954368 83612736 85114638 85790151 86465664 88967564 93323664 94064328 96507936 97273872 97548192 100876608 101677216 105822369 106655616 109433106 109741716 113486184 114386868 124431552 125419104 127671957 128677248 129698496 130064256 133451346 141096492 144761904 145910808 146322288 151314912 152515824 164149659 164612574 165442176 167225472 170229276 171580302 177935128 186647328 188128656 193015872 194547744 195096384 200177019 201753216 203354432 211644738 218866212 219483432 226972368 228773736 246918861 248863104 250838208 255343914 257370453 259396992 266902692 282192984 289523808 291821616 292644576 302629824 305031648 328299318 329225148 340458552 343160604 355870256 373294656 376257312 383015871 386031744 389095488 390192768 400354038 406708864 423289476 437732424 438966864 453944736 457547472 493837722 501676416 510687828 514740906 533805384 564385968 579047616 583643232 585289152 600531057 605259648 610063296 656598636 658450296 680917104 686321208 711740512 740756583 746589312 752514624 766031742 772111359 778190976 800708076 846578952 875464848 877933728 907889472 915094944 987675444 1021375656 1029481812 1067610768 1128771936 1149047613 1158095232 1167286464 1170578304 1201062114 1220126592 1313197272 1316900592 1361834208 1372642416 1423481024 1481513166 1505029248 1532063484 1544222718 1601416152 1693157904 1750929696 1755867456 1801593171 1815778944 1830189888 1975350888 2042751312 2058963624 2135221536 2257543872 2298095226 2316334077 2334572928 2402124228 2626394544 2633801184 2723668416 2745284832 2846962048 2963026332 3064126968 3088445436 3202832304 3386315808 3501859392 3511734912 3603186342 3660379776 3950701776 4085502624 4117927248 4270443072 4515087744 4596190452 4632668154 4804248456 5252789088 5267602368 5404779513 5447336832 5490569664 5926052664 6128253936 6176890872 6405664608 6772631616 6949002231 7003718784 7206372684 7901403552 8171005248 8235854496 8540886144 9192380904 9265336308 9608496912 10505578176 10535204736 10809559026 10981139328 11852105328 12256507872 12353781744 12811329216 13545263232 13898004462 14412745368 15802807104 16214338539 16342010496 16471708992 18384761808 18530672616 19216993824 20847006693 21011156352 21619118052 23704210656 24513015744 24707563488 25622658432 27796008924 28825490736 31605614208 32428677078 32943417984 36769523616 37061345232 38433987648 41694013386 43238236104 47408421312 48643015617 49026031488 49415126976 55592017848 57650981472 64857354156 73539047232 74122690464 76867975296 83388026772 86476472208 94816842624 97286031234 98830253952 111184035696 115301962944 129714708312 145929046851 147078094464 148245380928 166776053544 172952944416 194572062468 222368071392 230603925888 259429416624 291858093702 296490761856 333552107088 345905888832 389144124936 444736142784 518858833248 583716187404 667104214176 691811777664 778288249872 889472285568 1037717666496 1167432374808 1334208428352 1556576499744 2075435332992 2334864749616 2668416856704 3113152999488 4669729499232 6226305998976 9339458998464 18678917996928
• Sum of all divisors σ(n): 64621196537040
• Sum of proper divisors (its aliquot sum) s(n): 45942278540112
• 18678917996928 is an abundant number, because the sum of its proper divisors (45942278540112) is greater than itself. Its abundance is 27263360543184

Bases of 18678917996928

• Binary: 100001111110100000110010001011010000110000000₂
• Hexadecimal: 0x10FD0645A180
• Base-36: 6MCZ5I000

Squares and roots of 18678917996928

• 18678917996928 squared (18678917996928²) is 348901977535960727817437184
• 18678917996928 cubed (18678917996928³) is 6517111427360225611131756774231744970752
• The square root of 18678917996928 is 4321911.3823548025
• The cube root of 18678917996928 is 26532.8502053717

Scales and comparisons

• 18,678,917,996,928 seconds is equal to 593,931 years, 42 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,678,917,996,928 would take you about one million, four hundred eighty-four thousand, eight hundred twenty-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 18678917996928 cubic inches would be around 2211.1 feet tall.

Recreational maths with 18678917996928

• 18678917996928 backwards is 82969971987681
• The number of decimal digits it has is: 14
• The sum of 18678917996928's digits is 90
• More coming soon!