12745164723920

Names of 12745164723920

• Cardinal: 12745164723920 can be written as Twelve trillion, seven hundred forty-five billion, one hundred sixty-four million, seven hundred twenty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.274516472392 × 10¹³

Factors of 12745164723920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3740814

Divisors of 12745164723920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 191 223 382 446 764 892 955 1115 1528 1784 1910 2230 3056 3568 3820 4460 7640 8920 15280 17840 42593 85186 170372 212965 340744 425930 681488 851860 1703720 3407440 3740393 7480786 14961572 18701965 29923144 37403930 59846288 74807860 149615720 299231440 714415063 834107639 1428830126 1668215278 2857660252 3336430556 3572075315 4170538195 5715320504 6672861112 7144150630 8341076390 11430641008 13345722224 14288301260 16682152780 28576602520 33364305560 57153205040 66728611120 159314559049 318629118098 637258236196 796572795245 1274516472392 1593145590490 2549032944784 3186291180980 6372582361960 12745164723920
• Sum of all divisors σ(n): 29921236918272
• Sum of proper divisors (its aliquot sum) s(n): 17176072194352
• 12745164723920 is an abundant number, because the sum of its proper divisors (17176072194352) is greater than itself. Its abundance is 4430907470432

Bases of 12745164723920

• Binary: 10111001011101110111000001000001011011010000₂
• Hexadecimal: 0xB97770416D0
• Base-36: 4IN1Q0828

Squares and roots of 12745164723920

• 12745164723920 squared (12745164723920²) is 162439223839854769820166400
• 12745164723920 cubed (12745164723920³) is 2070314665464661699687936243504460288000
• The square root of 12745164723920 is 3570037.0759867467
• The cube root of 12745164723920 is 23358.6900658483

Scales and comparisons

• 12,745,164,723,920 seconds is equal to 405,256 years, 42 weeks, 2 days, 14 hours, 25 minutes, 20 seconds.
• To count from 1 to 12,745,164,723,920 would take you about one million, thirteen thousand, one hundred forty-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 12745164723920 cubic inches would be around 1946.6 feet tall.

Recreational maths with 12745164723920

• 12745164723920 backwards is 02932746154721
• The number of decimal digits it has is: 14
• The sum of 12745164723920's digits is 53
• More coming soon!