13821806940

Names of 13821806940

• Cardinal: 13821806940 can be written as Thirteen billion, eight hundred twenty-one million, eight hundred six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.382180694 × 10¹⁰

Factors of 13821806940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 650

Divisors of 13821806940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 139 155 186 193 277 278 310 372 386 417 465 554 556 579 620 695 772 831 834 930 965 1108 1158 1385 1390 1662 1668 1860 1930 2085 2316 2770 2780 2895 3324 3860 4155 4170 4309 5540 5790 5983 8310 8340 8587 8618 11580 11966 12927 16620 17174 17236 17949 21545 23932 25761 25854 26827 29915 34348 35898 38503 42935 43090 51522 51708 53461 53654 59830 64635 71796 77006 80481 85870 86180 89745 103044 106922 107308 115509 119660 128805 129270 134135 154012 160383 160962 171740 179490 192515 213844 231018 257610 258540 267305 268270 320766 321924 358980 385030 402405 462036 515220 534610 536540 577545 641532 770060 801915 804810 831637 1069220 1155090 1193593 1603830 1609620 1657291 1663274 2310180 2387186 2494911 3207660 3314582 3326548 3580779 4158185 4774372 4971873 4989822 5967965 6629164 7161558 7431079 8286455 8316370 9943746 9979644 11935930 12474555 14323116 14862158 16572910 16632740 17903895 19887492 22293237 23871860 24859365 24949110 29724316 33145820 35807790 37155395 44586474 49718730 49898220 71615580 74310790 89172948 99437460 111466185 148621580 222932370 230363449 445864740 460726898 691090347 921453796 1151817245 1382180694 2303634490 2764361388 3455451735 4607268980 6910903470 13821806940
• Sum of all divisors σ(n): 40591380480
• Sum of proper divisors (its aliquot sum) s(n): 26769573540
• 13821806940 is an abundant number, because the sum of its proper divisors (26769573540) is greater than itself. Its abundance is 12947766600

Bases of 13821806940

• Binary: 1100110111110110000000100101011100₂
• Hexadecimal: 0x337D8095C
• Base-36: 6CL5AHO

Squares and roots of 13821806940

• 13821806940 squared (13821806940²) is 191042347086632163600
• 13821806940 cubed (13821806940³) is 2640550438795901220073695384000
• The square root of 13821806940 is 117566.1811066431
• The cube root of 13821806940 is 2399.8730800939

Scales and comparisons

• 13,821,806,940 seconds is equal to 439 years, 25 weeks, 3 days, 14 hours, 49 minutes.
• To count from 1 to 13,821,806,940 would take you about eight hundred seventy-eight 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 13821806940 cubic inches would be around 200 feet tall.

Recreational maths with 13821806940

• 13821806940 backwards is 04960812831
• The number of decimal digits it has is: 11
• The sum of 13821806940's digits is 42
• More coming soon!