21160000

Names of 21160000

• Cardinal: 21160000 can be written as Twenty-one million, one hundred sixty thousand.

Scientific notation

• Scientific notation: 2.116 × 10⁷

Factors of 21160000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 30

Divisors of 21160000

• Number of divisors d(n): 105
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 25 32 40 46 50 64 80 92 100 115 125 160 184 200 230 250 320 368 400 460 500 529 575 625 736 800 920 1000 1058 1150 1250 1472 1600 1840 2000 2116 2300 2500 2645 2875 3680 4000 4232 4600 5000 5290 5750 7360 8000 8464 9200 10000 10580 11500 13225 14375 16928 18400 20000 21160 23000 26450 28750 33856 36800 40000 42320 46000 52900 57500 66125 84640 92000 105800 115000 132250 169280 184000 211600 230000 264500 330625 423200 460000 529000 661250 846400 920000 1058000 1322500 2116000 2645000 4232000 5290000 10580000 21160000
• Sum of all divisors σ(n): 54850411
• Sum of proper divisors (its aliquot sum) s(n): 33690411
• 21160000 is an abundant number, because the sum of its proper divisors (33690411) is greater than itself. Its abundance is 12530411

Bases of 21160000

• Binary: 1010000101110000001000000₂
• Hexadecimal: 0x142E040
• Base-36: CLJ5S

Squares and roots of 21160000

• 21160000 squared (21160000²) is 447745600000000
• 21160000 cubed (21160000³) is 9474296896000000000000
• 21160000 is a perfect square number. Its square root is 4600
• The cube root of 21160000 is 276.5913247857

Scales and comparisons

• 21,160,000 seconds is equal to 34 weeks, 6 days, 21 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,160,000 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 21160000 cubic inches would be around 23 feet tall.

Recreational maths with 21160000

• 21160000 backwards is 00006112
• 21160000 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21160000's digits is 10
• More coming soon!