13145651384

Names of 13145651384

• Cardinal: 13145651384 can be written as Thirteen billion, one hundred forty-five million, six hundred fifty-one thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.3145651384 × 10¹⁰

Factors of 13145651384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1008

Divisors of 13145651384

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 67 134 163 268 326 379 397 536 652 758 794 1304 1516 1588 3032 3176 10921 21842 25393 26599 43684 50786 53198 61777 64711 87368 101572 106396 123554 129422 150463 203144 212792 247108 258844 300926 494216 517688 601852 1203704 4139059 4335637 8278118 8671274 10081021 16556236 17342548 20162042 24525469 33112472 34685096 40324084 49050938 80648168 98101876 196203752 1643206423 3286412846 6572825692 13145651384
• Sum of all divisors σ(n): 25299427200
• Sum of proper divisors (its aliquot sum) s(n): 12153775816
• 13145651384 is a deficient number, because the sum of its proper divisors (12153775816) is less than itself. Its deficiency is 991875568

Bases of 13145651384

• Binary: 1100001111100010101011100010111000₂
• Hexadecimal: 0x30F8AB8B8
• Base-36: 61EKXIW

Squares and roots of 13145651384

• 13145651384 squared (13145651384²) is 172808150309661115456
• 13145651384 cubed (13145651384³) is 2271675700284676670965150191104
• The square root of 13145651384 is 114654.4869771785
• The cube root of 13145651384 is 2360.0835089669

Scales and comparisons

• 13,145,651,384 seconds is equal to 417 years, 51 weeks, 3 days, 17 hours, 49 minutes, 44 seconds.
• To count from 1 to 13,145,651,384 would take you about eight hundred thirty-five 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 13145651384 cubic inches would be around 196.7 feet tall.

Recreational maths with 13145651384

• 13145651384 backwards is 48315654131
• The number of decimal digits it has is: 11
• The sum of 13145651384's digits is 41
• More coming soon!