21141370

Names of 21141370

• Cardinal: 21141370 can be written as Twenty-one million, one hundred forty-one thousand, three hundred seventy.

Scientific notation

• Scientific notation: 2.114137 × 10⁷

Factors of 21141370

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5454

Divisors of 21141370

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 17 23 34 46 85 115 170 230 391 782 1955 3910 5407 10814 27035 54070 91919 124361 183838 248722 459595 621805 919190 1243610 2114137 4228274 10570685 21141370
• Sum of all divisors σ(n): 42052608
• Sum of proper divisors (its aliquot sum) s(n): 20911238
• 21141370 is a deficient number, because the sum of its proper divisors (20911238) is less than itself. Its deficiency is 230132

Bases of 21141370

• Binary: 1010000101001011101111010₂
• Hexadecimal: 0x142977A
• Base-36: CL4SA

Squares and roots of 21141370

• 21141370 squared (21141370²) is 446957525476900
• 21141370 cubed (21141370³) is 9449294420391569353000
• The square root of 21141370 is 4597.9745540835
• The cube root of 21141370 is 276.5101274103

Scales and comparisons

• 21,141,370 seconds is equal to 34 weeks, 6 days, 16 hours, 36 minutes, 10 seconds.
• To count from 1 to 21,141,370 would take you about three days!

  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 21141370 cubic inches would be around 23 feet tall.

Recreational maths with 21141370

• 21141370 backwards is 07314112
• The number of decimal digits it has is: 8
• The sum of 21141370's digits is 19
• More coming soon!