12947998

Names of 12947998

• Cardinal: 12947998 can be written as Twelve million, nine hundred forty-seven thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.2947998 × 10⁷

Factors of 12947998

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 9267

Divisors of 12947998

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 101 202 707 1414 9157 18314 64099 128198 924857 1849714 6473999 12947998
• Sum of all divisors σ(n): 22418784
• Sum of proper divisors (its aliquot sum) s(n): 9470786
• 12947998 is a deficient number, because the sum of its proper divisors (9470786) is less than itself. Its deficiency is 3477212

Bases of 12947998

• Binary: 110001011001001000011110₂
• Hexadecimal: 0xC5921E
• Base-36: 7PIQM

Squares and roots of 12947998

• 12947998 squared (12947998²) is 167650652208004
• 12947998 cubed (12947998³) is 2170740309487931375992
• The square root of 12947998 is 3598.3326694457
• The cube root of 12947998 is 234.8195264435

Scales and comparisons

• 12,947,998 seconds is equal to 21 weeks, 2 days, 20 hours, 39 minutes, 58 seconds.
• To count from 1 to 12,947,998 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 12947998 cubic inches would be around 19.6 feet tall.

Recreational maths with 12947998

• 12947998 backwards is 89974921
• The number of decimal digits it has is: 8
• The sum of 12947998's digits is 49
• More coming soon!