18378979222968

Names of 18378979222968

• Cardinal: 18378979222968 can be written as Eighteen trillion, three hundred seventy-eight billion, nine hundred seventy-nine million, two hundred twenty-two thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8378979222968 × 10¹³

Factors of 18378979222968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 583555

Divisors of 18378979222968

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 49 52 54 56 63 72 78 84 91 98 104 108 117 126 147 156 168 182 189 196 216 229 234 252 273 294 312 351 364 378 392 441 458 468 504 546 588 637 687 702 728 756 819 882 916 936 1092 1176 1274 1323 1374 1404 1512 1603 1638 1764 1832 1911 2061 2184 2457 2548 2646 2748 2808 2977 3206 3276 3528 3822 4122 4809 4914 5096 5292 5496 5733 5954 6183 6412 6552 7644 8244 8931 9618 9828 10584 11221 11466 11908 12366 12824 14427 15288 16488 17199 17862 19236 19656 20839 22442 22932 23816 24732 26793 28854 33663 34398 35724 38472 41678 43281 44884 45864 49464 53586 57708 62517 67326 68796 71448 80379 83356 86562 89768 100989 107172 115416 125034 134652 137592 145873 160758 166712 173124 187551 201978 214344 250068 269304 291746 302967 321516 346248 375102 403956 437619 500136 562653 583301 583492 605934 643032 750204 807912 875238 1125306 1166602 1166984 1211868 1312857 1500408 1749903 1750476 2250612 2333204 2423736 2625714 3499806 3500952 3938571 4083107 4501224 4666408 5249709 5251428 6999612 7582913 7877142 8166214 10499418 10502856 12249321 13999224 15165826 15749127 15754284 16332428 20998836 22748739 24498642 28581749 30331652 31498254 31508568 32664856 36747963 41997672 45497478 48997284 53080391 57163498 60663304 62996508 68246217 73495926 85745247 90994956 97994568 106160782 110243889 114326996 125993016 133575929 136492434 146991852 159241173 171490494 181989912 204738651 212321564 220487778 228653992 257235741 267151858 272984868 293983704 318482346 342980988 371562737 400727787 409477302 424643128 440975556 477723519 514471482 534303716 545969736 636964692 685961976 743125474 771707223 801455574 818954604 881951112 935031503 955447038 1028942964 1068607432 1114688211 1202183361 1273929384 1433170557 1486250948 1543414446 1602911148 1637909208 1736487077 1870063006 1910894076 2057885928 2229376422 2404366722 2805094509 2866341114 2972501896 3086828892 3205822296 3344064633 3472974154 3606550083 3740126012 3821788152 4458752844 4808733444 5209461231 5610189018 5732682228 6173657784 6545220521 6688129266 6945948308 7213100166 7480252024 8415283527 8917505688 9617466888 10032193899 10418922462 11220378036 11465364456 12155409539 13090441042 13376258532 13891896616 14426200332 15628383693 16830567054 19635661563 20064387798 20837844924 22440756072 24310819078 25245850581 26180882084 26752517064 28852400664 31256767386 33661134108 36466228617 39271323126 40128775596 41675689848 46885151079 48621638156 50491701162 52361764168 58906984689 62513534772 67322268216 72932457234 78542646252 80257551192 85087866773 93770302158 97243276312 100983402324 109398685851 117813969378 125027069544 145864914468 157085292504 170175733546 176720954067 187540604316 201966804648 218797371702 235627938756 255263600319 291729828936 328196057553 340351467092 353441908134 375081208632 437594743404 471255877512 510527200638 656392115106 680702934184 706883816268 765790800957 875189486808 1021054401276 1312784230212 1413767632536 1531581601914 2042108802552 2297372402871 2625568460424 3063163203828 4594744805742 6126326407656 9189489611484 18378979222968
• Sum of all divisors σ(n): 64235549448000
• Sum of proper divisors (its aliquot sum) s(n): 45856570225032
• 18378979222968 is an abundant number, because the sum of its proper divisors (45856570225032) is greater than itself. Its abundance is 27477591002064

Bases of 18378979222968

• Binary: 100001011011100110000100001110010010110111000₂
• Hexadecimal: 0x10B7308725B8
• Base-36: 6IJ6PP4U0

Squares and roots of 18378979222968

• 18378979222968 squared (18378979222968²) is 337786877278289429058729024
• 18378979222968 cubed (18378979222968³) is 6208177999288923025578007917153189023232
• The square root of 18378979222968 is 4287071.1707374301
• The cube root of 18378979222968 is 26390.0651432887

Scales and comparisons

• 18,378,979,222,968 seconds is equal to 584,394 years, 35 weeks, 5 days, 22 hours, 22 minutes, 48 seconds.
• To count from 1 to 18,378,979,222,968 would take you about one million, four hundred sixty thousand, nine hundred eighty-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 18378979222968 cubic inches would be around 2199.2 feet tall.

Recreational maths with 18378979222968

• 18378979222968 backwards is 86922297987381
• The number of decimal digits it has is: 14
• The sum of 18378979222968's digits is 81
• More coming soon!