13138450

Names of 13138450

• Cardinal: 13138450 can be written as Thirteen million, one hundred thirty-eight thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.313845 × 10⁷

Factors of 13138450

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 107

Divisors of 13138450

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 17 25 26 29 34 41 50 58 65 82 85 130 145 170 205 221 290 325 377 410 425 442 493 533 650 697 725 754 850 986 1025 1066 1105 1189 1394 1450 1885 2050 2210 2378 2465 2665 3485 3770 4930 5330 5525 5945 6409 6970 9061 9425 11050 11890 12325 12818 13325 15457 17425 18122 18850 20213 24650 26650 29725 30914 32045 34850 40426 45305 59450 64090 77285 90610 101065 154570 160225 202130 226525 262769 320450 386425 453050 505325 525538 772850 1010650 1313845 2627690 6569225 13138450
• Sum of all divisors σ(n): 29529360
• Sum of proper divisors (its aliquot sum) s(n): 16390910
• 13138450 is an abundant number, because the sum of its proper divisors (16390910) is greater than itself. Its abundance is 3252460

Bases of 13138450

• Binary: 110010000111101000010010₂
• Hexadecimal: 0xC87A12
• Base-36: 7TLOY

Squares and roots of 13138450

• 13138450 squared (13138450²) is 172618868402500
• 13138450 cubed (13138450³) is 2267944371562826125000
• The square root of 13138450 is 3624.6999875851
• The cube root of 13138450 is 235.9652467257

Scales and comparisons

• 13,138,450 seconds is equal to 21 weeks, 5 days, 1 hour, 34 minutes, 10 seconds.
• To count from 1 to 13,138,450 would take you about thirty-two 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 13138450 cubic inches would be around 19.7 feet tall.

Recreational maths with 13138450

• 13138450 backwards is 05483131
• 13138450 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13138450's digits is 25
• More coming soon!