21107102

Names of 21107102

• Cardinal: 21107102 can be written as Twenty-one million, one hundred seven thousand, one hundred two.

Scientific notation

• Scientific notation: 2.1107102 × 10⁷

Factors of 21107102

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10553553

Divisors of 21107102

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 10553551 21107102
• Sum of all divisors σ(n): 31660656
• Sum of proper divisors (its aliquot sum) s(n): 10553554
• 21107102 is a deficient number, because the sum of its proper divisors (10553554) is less than itself. Its deficiency is 10553548

Bases of 21107102

• Binary: 1010000100001000110011110₂
• Hexadecimal: 0x142119E
• Base-36: CKECE

Squares and roots of 21107102

• 21107102 squared (21107102²) is 445509754838404
• 21107102 cubed (21107102³) is 9403419837369186745208
• The square root of 21107102 is 4594.2466194143
• The cube root of 21107102 is 276.3606483993

Scales and comparisons

• 21,107,102 seconds is equal to 34 weeks, 6 days, 7 hours, 5 minutes, 2 seconds.
• To count from 1 to 21,107,102 would take you about two 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 21107102 cubic inches would be around 23 feet tall.

Recreational maths with 21107102

• 21107102 backwards is 20170112
• The number of decimal digits it has is: 8
• The sum of 21107102's digits is 14
• More coming soon!