3938684938194375

Names of 3938684938194375

• Cardinal: 3938684938194375 can be written as Three quadrillion, nine hundred thirty-eight trillion, six hundred eighty-four billion, nine hundred thirty-eight million, one hundred ninety-four thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 3.938684938194375 × 10¹⁵

Factors of 3938684938194375

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 186

Divisors of 3938684938194375

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 5 9 15 25 27 45 47 75 125 131 135 141 225 235 375 393 423 625 655 675 705 1125 1175 1179 1269 1875 1965 2115 2209 3275 3375 3525 3537 5625 5875 5895 6157 6345 6627 9825 10575 11045 16375 16875 17161 17625 17685 18471 19881 29375 29475 30785 31725 33135 49125 51483 52875 55225 55413 59643 81875 85805 88125 88425 92355 99405 103823 147375 153925 154449 158625 165675 166239 245625 257415 264375 276125 277065 289379 298215 311469 429025 442125 461775 463347 497025 519115 736875 769625 772245 793125 806567 828375 831195 868137 934407 1287075 1380625 1385325 1446895 1491075 1557345 2145125 2210625 2248091 2308875 2316735 2419701 2485125 2595575 2604411 2803221 3848125 3861225 4032835 4141875 4155975 4340685 4672035 6435375 6744273 6926625 7234475 7259103 7455375 7786725 7813233 10725625 11240455 11544375 11583675 12098505 12425625 12977875 13022055 13600813 14016105 19306125 20164175 20232819 20779875 21703425 21777309 23360175 32176875 33721365 34633125 36172375 36295515 37276875 37908649 38933625 39066165 40802439 56202275 57918375 60492525 60698457 64889375 65110275 68004065 70080525 96530625 100820875 101164095 103899375 105660277 108517125 108886545 113725947 116800875 122407317 168606825 180861875 181477575 189543245 194668125 195330825 204012195 281011375 289591875 302462625 303492285 316980831 325551375 340020325 341177841 350402625 367221951 504104375 505820475 528301385 542585625 544432725 568629735 584004375 612036585 843034125 907387875 947716225 950942493 976654125 1020060975 1023533523 1405056875 1512313125 1517461425 1584904155 1627756875 1700101625 1705889205 1752013125 1781706503 1836109755 2529102375 2641506925 2722163625 2843148675 2852827479 3060182925 4215170625 4536939375 4738581125 4754712465 4883270625 4966033019 5100304875 5117667615 5345119509 7587307125 7924520775 8500508125 8529446025 8908532515 9180548775 12645511875 13207534625 13610818125 14215743375 14264137395 14898099057 15300914625 16035358527 23692905625 23773562325 24830165095 25501524375 25588338075 26725597545 37936535625 39622603875 42647230125 44542662575 44694297171 45902743875 48106075581 66037673125 71078716875 71320686975 74490495285 76504573125 80176792635 118867811625 124150825475 127941690375 133627987725 134082891513 198113019375 213236150625 222713312875 223471485855 229513719375 233403551893 240530377905 356603434875 372452476425 400883963175 594339058125 620754127375 639708451875 668139938625 670414457565 700210655679 1113566564375 1117357429275 1167017759465 1202651889525 1783017174375 1862262382125 2004419815875 2100631967037 3103770636875 3340699693125 3352072287825 3501053278395 5586787146375 5835088797325 6013259447625 6301895901111 9311311910625 10022099079375 10503159835185 16760361439125 17505266391975 27933935731875 29175443986625 30066297238125 31509479505555 52515799175925 83801807195625 87526331959875 145877219933125 157547397527775 262578995879625 437631659799375 787736987638875 1312894979398125 3938684938194375
• Sum of all divisors σ(n): 7507344840652800
• Sum of proper divisors (its aliquot sum) s(n): 3568659902458425
• 3938684938194375 is a deficient number, because the sum of its proper divisors (3568659902458425) is less than itself. Its deficiency is 370025035735950

Bases of 3938684938194375

• Binary: 1101111111100011011010001100100111111000110111000111₂
• Hexadecimal: 0xDFE368C9F8DC7
• Base-36: 12S5AVQDARR

Squares and roots of 3938684938194375

• 3938684938194375 squared (3938684938194375²) is 15513239042359227613685281640625
• 3938684938194375 cubed (3938684938194375³) is 61101760958749219626194476337627693025146484375
• The square root of 3938684938194375 is 62758943.0933502497
• The cube root of 3938684938194375 is 157924.8285553263

Scales and comparisons

• 3,938,684,938,194,375 seconds is equal to 125,237,997 years, 45 weeks, 6 days, 2 hours, 26 minutes, 15 seconds.
• To count from 1 to 3,938,684,938,194,375 would take you about three hundred seventy-five million, seven hundred thirteen thousand, nine hundred ninety-three 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 3938684938194375 cubic inches would be around 13160.4 feet tall.

Recreational maths with 3938684938194375

• 3938684938194375 backwards is 5734918394868393
• The number of decimal digits it has is: 16
• The sum of 3938684938194375's digits is 90
• More coming soon!