78855543943394427

Names of 78855543943394427

• Cardinal: 78855543943394427 can be written as Seventy-eight quadrillion, eight hundred fifty-five trillion, five hundred forty-three billion, nine hundred forty-three million, three hundred ninety-four thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 7.8855543943394427 × 10¹⁶

Factors of 78855543943394427

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 67

Divisors of 78855543943394427

• Number of divisors d(n): 210
• Complete list of divisors:
  1 3 9 11 27 33 53 81 99 121 159 243 297 363 477 583 891 1089 1331 1431 1749 2673 2809 3267 3993 4293 5247 6413 8427 9801 11979 12879 14641 15741 19239 25281 29403 30899 35937 43923 47223 57717 70543 75843 92697 107811 131769 141669 148877 173151 211629 227529 278091 323433 339889 395307 446631 519453 634887 682587 775973 834273 1019667 1185921 1339893 1558359 1637647 1904661 2327919 2502819 3059001 3557763 3738779 4019679 4912941 5713983 6983757 7508457 7890481 9177003 11216337 12059037 14738823 17141949 18014117 20951271 23671443 27531009 33649011 36177111 41126569 44216469 54042351 62853813 71014329 82593027 86795291 100947033 123379707 132649407 162127053 188561439 198155287 213042987 260385873 302841099 370139121 397948221 418195493 486381159 594465861 639128961 781157619 908523297 954748201 1110417363 1254586479 1459143477 1783397583 1917386883 2179708157 2343472857 2864244603 3331252089 3763759437 4377430431 4600150423 5350192749 6539124471 7030418571 8592733809 9993756267 10502230211 11291278311 13800451269 16050578247 19617373413 21091255713 22164361129 25778201427 31506690633 33873834933 41401353807 48151734741 50601654653 58852120239 66493083387 77334604281 94520071899 101621504799 115524532321 124204061421 151804963959 176556360717 199479250161 232003812843 243807972419 283560215697 346573596963 372612184263 455414891877 529669082151 556618201183 598437750483 731423917257 850680647091 1039720790889 1117836552789 1366244675631 1669854603549 1795313251449 2194271751771 2552041941273 2681887696609 3119162372667 4098734026893 5009563810647 5385939754347 6122800213013 6582815255313 8045663089827 9357487118001 12296202080679 15028691431941 18368400639039 19748445765939 24136989269481 28072461354003 29500764662699 45086074295823 55105201917117 59245337297817 72410967808443 88502293988097 135258222887469 165315605751351 217232903425329 265506881964291 324508411289689 495946817254053 651698710275987 796520645892873 973525233869067 1487840451762159 2389561937678619 2920575701607201 7168685813035857 8761727104821603 26285181314464809 78855543943394427
• Sum of all divisors σ(n): 132431060349411460
• Sum of proper divisors (its aliquot sum) s(n): 53575516406017033
• 78855543943394427 is a deficient number, because the sum of its proper divisors (53575516406017033) is less than itself. Its deficiency is 25280027537377394

Bases of 78855543943394427

• Binary: 100011000001001101011001100001101010100001111010001111011₂
• Hexadecimal: 0x11826B30D50F47B
• Base-36: LKFYGSA34OR

Squares and roots of 78855543943394427

• 78855543943394427 squared (78855543943394427²) is 6218196810608609498510766894658329
• 78855543943394427 cubed (78855543943394427³) is 490339291847622279597360893939028620684410647732483
• The square root of 78855543943394427 is 280812293.0774121701
• The cube root of 78855543943394427 is 428822.3481562127
• Being both a perfect square and a perfect cube, 78855543943394427 is also a perfect sixth number.

Scales and comparisons

• 78,855,543,943,394,427 seconds is equal to 2,507,362,381 years, 9 weeks, 5 days, 6 hours, 27 seconds.
• To count from 1 to 78,855,543,943,394,427 would take you about seven billion, five hundred twenty-two million, eighty-seven thousand, one hundred forty-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 78855543943394427 cubic inches would be around 35735.2 feet tall.

Recreational maths with 78855543943394427

• 78855543943394427 backwards is 72449334934555887
• The number of decimal digits it has is: 17
• The sum of 78855543943394427's digits is 90
• More coming soon!