13158012

Names of 13158012

• Cardinal: 13158012 can be written as Thirteen million, one hundred fifty-eight thousand and twelve.

Scientific notation

• Scientific notation: 1.3158012 × 10⁷

Factors of 13158012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 206

Divisors of 13158012

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 163 186 217 326 372 434 489 651 652 868 961 978 1141 1302 1922 1956 2282 2604 2883 3423 3844 4564 5053 5766 6727 6846 10106 11532 13454 13692 15159 20181 20212 26908 30318 35371 40362 60636 70742 80724 106113 141484 156643 212226 313286 424452 469929 626572 939858 1096501 1879716 2193002 3289503 4386004 6579006 13158012
• Sum of all divisors σ(n): 36478848
• Sum of proper divisors (its aliquot sum) s(n): 23320836
• 13158012 is an abundant number, because the sum of its proper divisors (23320836) is greater than itself. Its abundance is 10162824

Bases of 13158012

• Binary: 110010001100011001111100₂
• Hexadecimal: 0xC8C67C
• Base-36: 7U0SC

Squares and roots of 13158012

• 13158012 squared (13158012²) is 173133279792144
• 13158012 cubed (13158012³) is 2278089773104388257728
• The square root of 13158012 is 3627.3974141249
• The cube root of 13158012 is 236.0822991719

Scales and comparisons

• 13,158,012 seconds is equal to 21 weeks, 5 days, 7 hours, 12 seconds.
• To count from 1 to 13,158,012 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 13158012 cubic inches would be around 19.7 feet tall.

Recreational maths with 13158012

• 13158012 backwards is 21085131
• 13158012 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13158012's digits is 21
• More coming soon!