3129121

Names of 3129121

• Cardinal: 3129121 can be written as Three million, one hundred twenty-nine thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 3.129121 × 10⁶

Factors of 3129121

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 3129121

Divisors of 3129121

• Number of divisors d(n): 2
• Complete list of divisors:
  1 3129121
• Sum of all divisors σ(n): 3129122
• Sum of proper divisors (its aliquot sum) s(n): 1
• 3129121 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 3129120

Bases of 3129121

• Binary: 1011111011111100100001₂
• Hexadecimal: 0x2FBF21
• Base-36: 1V2G1

Squares and roots of 3129121

• 3129121 squared (3129121²) is 9791398232641
• 3129121 cubed (3129121³) is 30638469829119838561
• The square root of 3129121 is 1768.9321637643
• The cube root of 3129121 is 146.2651246929

Scales and comparisons

• 3,129,121 seconds is equal to 5 weeks, 1 day, 5 hours, 12 minutes, 1 second.
• To count from 1 to 3,129,121 would take you about seven 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 3129121 cubic inches would be around 12.2 feet tall.

Recreational maths with 3129121

• 3129121 backwards is 1219213
• The number of decimal digits it has is: 7
• The sum of 3129121's digits is 19
• More coming soon!