138313862128661631

Names of 138313862128661631

• Cardinal: 138313862128661631 can be written as One hundred thirty-eight quadrillion, three hundred thirteen trillion, eight hundred sixty-two billion, one hundred twenty-eight million, six hundred sixty-one thousand, six hundred thirty-one.

Scientific notation

• Scientific notation: 1.38313862128661631 × 10¹⁷

Factors of 138313862128661631

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4759086

Divisors of 138313862128661631

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 8291 24873 2089559 2661233 6268677 7983699 17324533669 22064282803 51973601007 66192848409 5560803366247 16682410098741 46104620709553877 138313862128661631
• Sum of all divisors σ(n): 184440883625982720
• Sum of proper divisors (its aliquot sum) s(n): 46127021497321089
• 138313862128661631 is a deficient number, because the sum of its proper divisors (46127021497321089) is less than itself. Its deficiency is 92186840631340542

Bases of 138313862128661631

• Binary: 111101011011000111011100110001011101100001111010001111111₂
• Hexadecimal: 0x1EB63B98BB0F47F
• Base-36: 11TW672PB98F

Squares and roots of 138313862128661631

• 138313862128661631 squared (138313862128661631²) is 19130724456946418166211659291580161
• 138313862128661631 cubed (138313862128661631³) is 2646044384959502034478007946919457326162790081502591
• The square root of 138313862128661631 is 371905716.7195223835
• The cube root of 138313862128661631 is 517156.3989868377

Scales and comparisons

• 138,313,862,128,661,631 seconds is equal to 4,397,952,982 years, 42 weeks, 6 days, 9 hours, 33 minutes, 51 seconds.
• To count from 1 to 138,313,862,128,661,631 would take you about thirteen billion, one hundred ninety-three million, eight hundred fifty-eight thousand, nine hundred forty-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 138313862128661631 cubic inches would be around 43096.4 feet tall.

Recreational maths with 138313862128661631

• 138313862128661631 backwards is 136166821268313831
• The number of decimal digits it has is: 18
• The sum of 138313862128661631's digits is 69
• More coming soon!