21373100

Names of 21373100

• Cardinal: 21373100 can be written as Twenty-one million, three hundred seventy-three thousand, one hundred.

Scientific notation

• Scientific notation: 2.13731 × 10⁷

Factors of 21373100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1640

Divisors of 21373100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 25 28 35 38 50 70 76 95 100 133 140 175 190 266 350 380 475 532 665 700 950 1330 1607 1900 2660 3214 3325 6428 6650 8035 11249 13300 16070 22498 30533 32140 40175 44996 56245 61066 80350 112490 122132 152665 160700 213731 224980 281225 305330 427462 562450 610660 763325 854924 1068655 1124900 1526650 2137310 3053300 4274620 5343275 10686550 21373100
• Sum of all divisors σ(n): 55829760
• Sum of proper divisors (its aliquot sum) s(n): 34456660
• 21373100 is an abundant number, because the sum of its proper divisors (34456660) is greater than itself. Its abundance is 13083560

Bases of 21373100

• Binary: 1010001100010000010101100₂
• Hexadecimal: 0x14620AC
• Base-36: CQ3L8

Squares and roots of 21373100

• 21373100 squared (21373100²) is 456809403610000
• 21373100 cubed (21373100³) is 9763433064296891000000
• The square root of 21373100 is 4623.1050171935
• The cube root of 21373100 is 277.5167319401

Scales and comparisons

• 21,373,100 seconds is equal to 35 weeks, 2 days, 8 hours, 58 minutes, 20 seconds.
• To count from 1 to 21,373,100 would take you about twenty-seven minutes!

  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 21373100 cubic inches would be around 23.1 feet tall.

Recreational maths with 21373100

• 21373100 backwards is 00137312
• The number of decimal digits it has is: 8
• The sum of 21373100's digits is 17
• More coming soon!