12391073751040

Names of 12391073751040

• Cardinal: 12391073751040 can be written as Twelve trillion, three hundred ninety-one billion, seventy-three million, seven hundred fifty-one thousand and forty.

Scientific notation

• Scientific notation: 1.239107375104 × 10¹³

Factors of 12391073751040

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 17400

Divisors of 12391073751040

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 8192 10240 17393 20480 34786 40960 69572 86965 139144 173930 278288 347860 556576 695720 1113152 1391440 2226304 2782880 4452608 5565760 8905216 11131520 17810432 22263040 35620864 44526080 71241728 89052160 142483456 178104320 302516449 356208640 605032898 712417280 1210065796 1512582245 2420131592 3025164490 4840263184 6050328980 9680526368 12100657960 19361052736 24201315920 38722105472 48402631840 77444210944 96805263680 154888421888 193610527360 309776843776 387221054720 619553687552 774442109440 1239107375104 1548884218880 2478214750208 3097768437760 6195536875520 12391073751040
• Sum of all divisors σ(n): 29738471699214
• Sum of proper divisors (its aliquot sum) s(n): 17347397948174
• 12391073751040 is an abundant number, because the sum of its proper divisors (17347397948174) is greater than itself. Its abundance is 4956324197134

Bases of 12391073751040

• Binary: 10110100010100000101100011001010000000000000₂
• Hexadecimal: 0xB45058CA000
• Base-36: 4E4DPDSSG

Squares and roots of 12391073751040

• 12391073751040 squared (12391073751040²) is 153538708703712495901081600
• 12391073751040 cubed (12391073751040³) is 1902509463187148692558735806105124864000
• The square root of 12391073751040 is 3520095.7019717517
• The cube root of 12391073751040 is 23140.3352878137

Scales and comparisons

• 12,391,073,751,040 seconds is equal to 393,997 years, 42 weeks, 3 days, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 12,391,073,751,040 would take you about nine hundred eighty-four thousand, nine hundred ninety-four 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 12391073751040 cubic inches would be around 1928.4 feet tall.

Recreational maths with 12391073751040

• 12391073751040 backwards is 04015737019321
• The number of decimal digits it has is: 14
• The sum of 12391073751040's digits is 43
• More coming soon!