13956138

Names of 13956138

• Cardinal: 13956138 can be written as Thirteen million, nine hundred fifty-six thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3956138 × 10⁷

Factors of 13956138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 440

Divisors of 13956138

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 54 62 63 81 93 126 162 186 189 217 279 378 397 434 558 567 651 794 837 1134 1191 1302 1674 1953 2382 2511 2779 3573 3906 5022 5558 5859 7146 8337 10719 11718 12307 16674 17577 21438 24614 25011 32157 35154 36921 50022 64314 73842 75033 86149 110763 150066 172298 221526 225099 258447 332289 450198 516894 664578 775341 996867 1550682 1993734 2326023 4652046 6978069 13956138
• Sum of all divisors σ(n): 36985344
• Sum of proper divisors (its aliquot sum) s(n): 23029206
• 13956138 is an abundant number, because the sum of its proper divisors (23029206) is greater than itself. Its abundance is 9073068

Bases of 13956138

• Binary: 110101001111010000101010₂
• Hexadecimal: 0xD4F42A
• Base-36: 8B4MI

Squares and roots of 13956138

• 13956138 squared (13956138²) is 194773787875044
• 13956138 cubed (13956138³) is 2718289862366840820072
• The square root of 13956138 is 3735.7914824035
• The cube root of 13956138 is 240.7622639109

Scales and comparisons

• 13,956,138 seconds is equal to 23 weeks, 12 hours, 42 minutes, 18 seconds.
• To count from 1 to 13,956,138 would take you about thirty-four 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 13956138 cubic inches would be around 20.1 feet tall.

Recreational maths with 13956138

• 13956138 backwards is 83165931
• The number of decimal digits it has is: 8
• The sum of 13956138's digits is 36
• More coming soon!