12390942447728438

Names of 12390942447728438

• Cardinal: 12390942447728438 can be written as Twelve quadrillion, three hundred ninety trillion, nine hundred forty-two billion, four hundred forty-seven million, seven hundred twenty-eight thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.2390942447728438 × 10¹⁶

Factors of 12390942447728438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2732

Divisors of 12390942447728438

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 11 22 23 46 121 242 253 409 506 529 818 1058 1331 2287 2662 2783 4499 4574 5566 5819 8998 9407 11638 12167 18814 24334 25157 30613 49489 50314 52601 61226 64009 98978 103477 105202 128018 133837 167281 206954 216361 267674 276727 334562 432722 544379 553454 578611 704099 935383 1088758 1138247 1157222 1209823 1408198 1472207 1840091 1870766 2276494 2379971 2419646 2944414 3043997 3680182 3847463 4759942 4976303 6087994 6364721 7694926 9952606 10289213 12520717 12729442 13308053 16194277 20241001 20578426 21513809 25041434 26179681 26616106 27825929 32388554 40482002 42322093 43027618 52359362 54739333 55651858 70011931 84644186 88491649 109478666 113181343 140023862 146388583 176983298 222651011 226362686 236651899 287976491 292777166 306085219 382571647 445302022 465543023 473303798 494817607 575952982 602132663 612170438 765143294 931086046 973408139 989635214 1204265326 1244994773 1610274413 1946816278 2035307927 2489989546 2603170889 3220548826 3366937409 4070615854 4208288117 5120973253 5206341778 5442993677 6623459293 6733874818 8416576234 8799147881 10241946506 10707489529 10885987354 11380804961 13246918586 17598295762 21414979058 22388387197 22761609922 28634879779 37036311499 44776774394 46291169287 57269759558 59872930447 74072622998 92582338574 96790626691 117782384819 119745860894 125188854571 193581253382 202380401263 235564769638 246272259167 250377709142 404760802526 492544518334 509202862157 658602234917 1018405724314 1064696893601 1317204469834 1377077400281 2129393787202 2226184413893 2708994850837 2754154800562 4452368827786 4654749229049 5417989701674 9309498458098 11711665829611 15147851403091 23423331659222 24488028552823 30295702806182 48976057105646 51202241519539 102404483039078 269368314081053 538736628162106 563224656714929 1126449313429858 6195471223864219 12390942447728438
• Sum of all divisors σ(n): 21434591811409920
• Sum of proper divisors (its aliquot sum) s(n): 9043649363681482
• 12390942447728438 is a deficient number, because the sum of its proper divisors (9043649363681482) is less than itself. Its deficiency is 3347293084046956

Bases of 12390942447728438

• Binary: 101100000001010111111100011011000001110111011100110110₂
• Hexadecimal: 0x2C057F1B077736
• Base-36: 3E080DKQ2IE

Squares and roots of 12390942447728438

• 12390942447728438 squared (12390942447728438²) is 153535454742918414477946193919844
• 12390942447728438 cubed (12390942447728438³) is 1902448983405316314194744843628974504824851323672
• The square root of 12390942447728438 is 111314610.2168463689
• The cube root of 12390942447728438 is 231402.5355119573

Scales and comparisons

• 12,390,942,447,728,438 seconds is equal to 393,993,642 years, 7 weeks, 14 hours, 20 minutes, 38 seconds.
• To count from 1 to 12,390,942,447,728,438 would take you about one billion, one hundred eighty-one million, nine hundred eighty thousand, nine hundred twenty-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 12390942447728438 cubic inches would be around 19283.5 feet tall.

Recreational maths with 12390942447728438

• 12390942447728438 backwards is 83482774424909321
• The number of decimal digits it has is: 17
• The sum of 12390942447728438's digits is 77
• More coming soon!