15450121

Names of 15450121

• Cardinal: 15450121 can be written as Fifteen million, four hundred fifty thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.5450121 × 10⁷

Factors of 15450121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 498422

Divisors of 15450121

• Number of divisors d(n): 4
• Complete list of divisors:
  1 31 498391 15450121
• Sum of all divisors σ(n): 15948544
• Sum of proper divisors (its aliquot sum) s(n): 498423
• 15450121 is a deficient number, because the sum of its proper divisors (498423) is less than itself. Its deficiency is 14951698

Bases of 15450121

• Binary: 111010111100000000001001₂
• Hexadecimal: 0xEBC009
• Base-36: 975E1

Squares and roots of 15450121

• 15450121 squared (15450121²) is 238706238914641
• 15450121 cubed (15450121³) is 3688040274686112121561
• The square root of 15450121 is 3930.6641932377
• The cube root of 15450121 is 249.0638105735

Scales and comparisons

• 15,450,121 seconds is equal to 25 weeks, 3 days, 19 hours, 42 minutes, 1 second.
• To count from 1 to 15,450,121 would take you about thirty-eight 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 15450121 cubic inches would be around 20.8 feet tall.

Recreational maths with 15450121

• 15450121 backwards is 12105451
• The number of decimal digits it has is: 8
• The sum of 15450121's digits is 19
• More coming soon!