13505878920

Names of 13505878920

• Cardinal: 13505878920 can be written as Thirteen billion, five hundred five million, eight hundred seventy-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.350587892 × 10¹⁰

Factors of 13505878920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4651

Divisors of 13505878920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 73 120 146 219 292 365 367 438 584 730 734 876 1095 1101 1460 1468 1752 1835 2190 2202 2920 2936 3670 4201 4380 4404 5505 7340 8402 8760 8808 11010 12603 14680 16804 21005 22020 25206 26791 33608 42010 44040 50412 53582 63015 80373 84020 100824 107164 126030 133955 160746 168040 214328 252060 267910 306673 321492 401865 504120 535820 613346 642984 803730 920019 1071640 1226692 1533365 1541767 1607460 1840038 2453384 3066730 3083534 3214920 3680076 4600095 4625301 6133460 6167068 7360152 7708835 9200190 9250602 12266920 12334136 15417670 18400380 18501204 23126505 30835340 36800760 37002408 46253010 61670680 92506020 112548991 185012040 225097982 337646973 450195964 562744955 675293946 900391928 1125489910 1350587892 1688234865 2250979820 2701175784 3376469730 4501959640 6752939460 13505878920
• Sum of all divisors σ(n): 41194391040
• Sum of proper divisors (its aliquot sum) s(n): 27688512120
• 13505878920 is an abundant number, because the sum of its proper divisors (27688512120) is greater than itself. Its abundance is 14182633200

Bases of 13505878920

• Binary: 1100100101000000110101101110001000₂
• Hexadecimal: 0x325035B88
• Base-36: 67D1UVC

Squares and roots of 13505878920

• 13505878920 squared (13505878920²) is 182408765401700366400
• 13505878920 cubed (13505878920³) is 2463590699462050310718036288000
• The square root of 13505878920 is 116214.7964761803
• The cube root of 13505878920 is 2381.4471649697

Scales and comparisons

• 13,505,878,920 seconds is equal to 429 years, 23 weeks, 1 day, 1 hour, 2 minutes.
• To count from 1 to 13,505,878,920 would take you about eight hundred fifty-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 13505878920 cubic inches would be around 198.5 feet tall.

Recreational maths with 13505878920

• 13505878920 backwards is 02987850531
• The number of decimal digits it has is: 11
• The sum of 13505878920's digits is 48
• More coming soon!