13259987325

Names of 13259987325

• Cardinal: 13259987325 can be written as Thirteen billion, two hundred fifty-nine million, nine hundred eighty-seven thousand, three hundred twenty-five.

Scientific notation

• Scientific notation: 1.3259987325 × 10¹⁰

Factors of 13259987325

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 110631

Divisors of 13259987325

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 13 15 25 39 41 45 65 75 117 123 195 205 225 325 369 533 585 615 975 1025 1599 1845 2665 2925 3075 4797 7995 9225 13325 23985 39975 110569 119925 331707 552845 995121 1437397 1658535 2764225 4312191 4533329 4975605 7186985 8292675 12936573 13599987 21560955 22666645 24878025 35934925 40799961 58933277 64682865 67999935 107804775 113333225 176799831 203999805 294666385 323414325 339999675 530399493 883999155 1019999025 1473331925 2651997465 4419995775 13259987325
• Sum of all divisors σ(n): 26201109480
• Sum of proper divisors (its aliquot sum) s(n): 12941122155
• 13259987325 is a deficient number, because the sum of its proper divisors (12941122155) is less than itself. Its deficiency is 318865170

Bases of 13259987325

• Binary: 1100010110010110110101100101111101₂
• Hexadecimal: 0x3165B597D
• Base-36: 63ANJP9

Squares and roots of 13259987325

• 13259987325 squared (13259987325²) is 175827263859160655625
• 13259987325 cubed (13259987325³) is 2331467290161900878726189953125
• The square root of 13259987325 is 115152.0183279477
• The cube root of 13259987325 is 2366.9061402745

Scales and comparisons

• 13,259,987,325 seconds is equal to 421 years, 32 weeks, 4 days, 1 hour, 48 minutes, 45 seconds.
• To count from 1 to 13,259,987,325 would take you about eight hundred forty-three years!

  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 13259987325 cubic inches would be around 197.2 feet tall.

Recreational maths with 13259987325

• 13259987325 backwards is 52378995231
• The number of decimal digits it has is: 11
• The sum of 13259987325's digits is 54
• More coming soon!