13578431890

Names of 13578431890

• Cardinal: 13578431890 can be written as Thirteen billion, five hundred seventy-eight million, four hundred thirty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.357843189 × 10¹⁰

Factors of 13578431890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1987

Divisors of 13578431890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 19 38 95 151 190 302 317 634 755 1493 1510 1585 2869 2986 3170 5738 6023 7465 12046 14345 14930 28367 28690 30115 47867 56734 60230 95734 141835 225443 239335 283670 450886 473281 478670 909473 946562 1127215 1818946 2254430 2366405 4283417 4547365 4732810 8566834 8992339 9094730 17984678 21417085 42834170 44961695 71465431 89923390 142930862 357327155 714654310 1357843189 2715686378 6789215945 13578431890
• Sum of all divisors σ(n): 25997034240
• Sum of proper divisors (its aliquot sum) s(n): 12418602350
• 13578431890 is a deficient number, because the sum of its proper divisors (12418602350) is less than itself. Its deficiency is 1159829540

Bases of 13578431890

• Binary: 1100101001010101100110110110010010₂
• Hexadecimal: 0x329566D92
• Base-36: 68K8X3M

Squares and roots of 13578431890

• 13578431890 squared (13578431890²) is 184373812591368972100
• 13578431890 cubed (13578431890³) is 2503507256571527989519160269000
• The square root of 13578431890 is 116526.5286962587
• The cube root of 13578431890 is 2385.7038938383

Scales and comparisons

• 13,578,431,890 seconds is equal to 431 years, 39 weeks, 18 hours, 38 minutes, 10 seconds.
• To count from 1 to 13,578,431,890 would take you about eight hundred sixty-three 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 13578431890 cubic inches would be around 198.8 feet tall.

Recreational maths with 13578431890

• 13578431890 backwards is 09813487531
• The number of decimal digits it has is: 11
• The sum of 13578431890's digits is 49
• More coming soon!