12994890

Names of 12994890

• Cardinal: 12994890 can be written as Twelve million, nine hundred ninety-four thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.299489 × 10⁷

Factors of 12994890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 287

Divisors of 12994890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 31 62 89 93 155 157 178 186 267 310 314 445 465 471 534 785 890 930 942 1335 1570 2355 2670 2759 4710 4867 5518 8277 9734 13795 13973 14601 16554 24335 27590 27946 29202 41385 41919 48670 69865 73005 82770 83838 139730 146010 209595 419190 433163 866326 1299489 2165815 2598978 4331630 6497445 12994890
• Sum of all divisors σ(n): 32762880
• Sum of proper divisors (its aliquot sum) s(n): 19767990
• 12994890 is an abundant number, because the sum of its proper divisors (19767990) is greater than itself. Its abundance is 6773100

Bases of 12994890

• Binary: 110001100100100101001010₂
• Hexadecimal: 0xC6494A
• Base-36: 7QIX6

Squares and roots of 12994890

• 12994890 squared (12994890²) is 168867166112100
• 12994890 cubed (12994890³) is 2194410248238467169000
• The square root of 12994890 is 3604.8425763131
• The cube root of 12994890 is 235.1026562211

Scales and comparisons

• 12,994,890 seconds is equal to 21 weeks, 3 days, 9 hours, 41 minutes, 30 seconds.
• To count from 1 to 12,994,890 would take you about thirty-two weeks!

  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 12994890 cubic inches would be around 19.6 feet tall.

Recreational maths with 12994890

• 12994890 backwards is 09849921
• The number of decimal digits it has is: 8
• The sum of 12994890's digits is 42
• More coming soon!