394424738820

Names of 394424738820

• Cardinal: 394424738820 can be written as Three hundred ninety-four billion, four hundred twenty-four million, seven hundred thirty-eight thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.9442473882 × 10¹¹

Factors of 394424738820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1830653

Divisors of 394424738820

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 27 28 30 35 36 38 42 45 54 57 60 63 70 76 81 84 90 95 105 108 114 126 133 135 140 162 171 180 189 190 210 228 252 266 270 285 315 324 342 378 380 399 405 420 513 532 540 567 570 630 665 684 756 798 810 855 945 1026 1134 1140 1197 1260 1330 1539 1596 1620 1710 1890 1995 2052 2268 2394 2565 2660 2835 3078 3420 3591 3780 3990 4788 5130 5670 5985 6156 7182 7695 7980 10260 10773 11340 11970 14364 15390 17955 21546 23940 30780 35910 43092 53865 71820 107730 215460 1830617 3661234 5491851 7322468 9153085 10983702 12814319 16475553 18306170 21967404 25628638 27459255 32951106 34781723 36612340 38442957 49426659 51257276 54918510 64071595 65902212 69563446 76885914 82377765 98853318 104345169 109837020 115328871 128143190 139126892 148279977 153771828 164755530 173908615 192214785 197706636 208690338 230657742 243472061 247133295 256286380 296559954 313035507 329511060 345986613 347817230 384429570 417380676 461315484 486944122 494266590 521725845 576644355 593119908 626071014 691973226 695634460 730416183 741399885 768859140 939106521 973888244 988533180 1037959839 1043451690 1153288710 1217360305 1252142028 1383946452 1460832366 1482799770 1565177535 1729933065 1878213042 2075919678 2086903380 2191248549 2306577420 2434720610 2817319563 2921664732 2965599540 3130355070 3459866130 3652080915 3756426084 4151839356 4382497098 4695532605 4869441220 5189799195 5634639126 6260710140 6573745647 6919732260 7304161830 8764994196 9391065210 10379598390 10956242745 11269278252 13147491294 14086597815 14608323660 18782130420 19721236941 20759196780 21912485490 26294982588 28173195630 32868728235 39442473882 43824970980 56346391260 65737456470 78884947764 98606184705 131474912940 197212369410 394424738820
• Sum of all divisors σ(n): 1488512108160
• Sum of proper divisors (its aliquot sum) s(n): 1094087369340
• 394424738820 is an abundant number, because the sum of its proper divisors (1094087369340) is greater than itself. Its abundance is 699662630520

Bases of 394424738820

• Binary: 101101111010101100010111110010000000100₂
• Hexadecimal: 0x5BD58BE404
• Base-36: 5172B090

Squares and roots of 394424738820

• 394424738820 squared (394424738820²) is 155570874593225214992400
• 394424738820 cubed (394424738820³) is 61361001579431829164815718284968000
• The square root of 394424738820 is 628032.4345286635
• The cube root of 394424738820 is 7333.6703123709

Scales and comparisons

• 394,424,738,820 seconds is equal to 12,541 years, 25 weeks, 2 days, 3 hours, 27 minutes.
• To count from 1 to 394,424,738,820 would take you about twenty-five thousand and eighty-two 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 394424738820 cubic inches would be around 611.1 feet tall.

Recreational maths with 394424738820

• 394424738820 backwards is 028837424493
• 394424738820 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 394424738820's digits is 54
• More coming soon!