12643359145389

Names of 12643359145389

• Cardinal: 12643359145389 can be written as Twelve trillion, six hundred forty-three billion, three hundred fifty-nine million, one hundred forty-five thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 1.2643359145389 × 10¹³

Factors of 12643359145389

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7078

Divisors of 12643359145389

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 7 9 21 49 63 147 441 709 2127 4963 6359 6381 14889 19077 34741 44513 44667 57231 104223 133539 311591 312669 400617 934773 2804319 4508531 13525593 31559717 40436881 40576779 94679151 121310643 220918019 283058167 284037453 363931929 662754057 849174501 1981407169 1988262171 2547523503 5944221507 17832664521 28669748629 86009245887 200688240403 258027737661 602064721209 1404817682821 1806194163627 4214453048463 12643359145389
• Sum of all divisors σ(n): 21277593522510
• Sum of proper divisors (its aliquot sum) s(n): 8634234377121
• 12643359145389 is a deficient number, because the sum of its proper divisors (8634234377121) is less than itself. Its deficiency is 4009124768268

Bases of 12643359145389

• Binary: 10110111111111000010111011100011110110101101₂
• Hexadecimal: 0xB7FC2EE3DAD
• Base-36: 4HCA1LCX9

Squares and roots of 12643359145389

• 12643359145389 squared (12643359145389²) is 159854530479291664439961321
• 12643359145389 cubed (12643359145389³) is 2021098239867216911075700728778775498869
• The square root of 12643359145389 is 3555750.1522729349
• The cube root of 12643359145389 is 23296.3290313355

Scales and comparisons

• 12,643,359,145,389 seconds is equal to 402,019 years, 37 weeks, 7 hours, 3 minutes, 9 seconds.
• To count from 1 to 12,643,359,145,389 would take you about one million, five thousand and forty-nine 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 12643359145389 cubic inches would be around 1941.4 feet tall.

Recreational maths with 12643359145389

• 12643359145389 backwards is 98354195334621
• 12643359145389 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12643359145389's digits is 63
• More coming soon!