12420844394920

Names of 12420844394920

• Cardinal: 12420844394920 can be written as Twelve trillion, four hundred twenty billion, eight hundred forty-four million, three hundred ninety-four thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.242084439492 × 10¹³

Factors of 12420844394920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 71599

Divisors of 12420844394920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 37 40 52 65 74 104 130 148 169 185 260 296 338 370 481 520 676 701 740 845 962 1352 1402 1480 1690 1924 2405 2804 3380 3505 3848 4810 5608 6253 6760 7010 9113 9620 12506 14020 18226 19240 25012 25937 28040 31265 36452 45565 50024 51874 62530 70841 72904 91130 103748 118469 125060 129685 141682 182260 207496 236938 250120 259370 283364 337181 354205 364520 473876 518740 566728 592345 674362 708410 920933 947752 1037480 1184690 1348724 1416820 1685905 1841866 2369380 2621117 2697448 2833640 3371810 3683732 4383353 4604665 4738760 5242234 6743620 7367464 8766706 9209330 10484468 11972129 13105585 13487240 17533412 18418660 20968936 21916765 23944258 26211170 34074521 35066824 36837320 43833530 47888516 49659541 52422340 59860645 68149042 87667060 95777032 99319082 104844680 119721290 136298084 170372605 175334120 198638164 239442580 248297705 272596168 340745210 397276328 442968773 478885160 496595410 645574033 681490420 885937546 993190820 1291148066 1362980840 1771875092 1837403017 1986381640 2214843865 2582296132 3227870165 3543750184 3674806034 4429687730 5164592264 6455740330 7349612068 8392462429 8859375460 9187015085 12911480660 14699224136 16784924858 17718750920 18374030170 23886239221 25822961320 33569849716 36748060340 41962312145 47772478442 67139699432 73496120680 83924624290 95544956884 119431196105 167849248580 191089913768 238862392210 310521109873 335698497160 477724784420 621042219746 955449568840 1242084439492 1552605549365 2484168878984 3105211098730 6210422197460 12420844394920
• Sum of all divisors σ(n): 31124696232240
• Sum of proper divisors (its aliquot sum) s(n): 18703851837320
• 12420844394920 is an abundant number, because the sum of its proper divisors (18703851837320) is greater than itself. Its abundance is 6283007442400

Bases of 12420844394920

• Binary: 10110100101111110100000001001001100110101000₂
• Hexadecimal: 0xB4BF40499A8
• Base-36: 4EI2220MG

Squares and roots of 12420844394920

• 12420844394920 squared (12420844394920²) is 154277375482815580921806400
• 12420844394920 cubed (12420844394920³) is 1916255274528698137072662710241383488000
• The square root of 12420844394920 is 3524321.8347534607
• The cube root of 12420844394920 is 23158.8526956879

Scales and comparisons

• 12,420,844,394,920 seconds is equal to 394,944 years, 22 weeks, 3 days, 2 hours, 8 minutes, 40 seconds.
• To count from 1 to 12,420,844,394,920 would take you about nine hundred eighty-seven thousand, three hundred sixty-one 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 12420844394920 cubic inches would be around 1929.9 feet tall.

Recreational maths with 12420844394920

• 12420844394920 backwards is 02949344802421
• 12420844394920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12420844394920's digits is 52
• More coming soon!