13991130

Names of 13991130

• Cardinal: 13991130 can be written as Thirteen million, nine hundred ninety-one thousand, one hundred thirty.

Scientific notation

• Scientific notation: 1.399113 × 10⁷

Factors of 13991130

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 784

Divisors of 13991130

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 81 90 115 135 138 162 207 230 270 345 405 414 621 690 751 810 1035 1242 1502 1863 2070 2253 3105 3726 3755 4506 6210 6759 7510 9315 11265 13518 17273 18630 20277 22530 33795 34546 40554 51819 60831 67590 86365 101385 103638 121662 155457 172730 202770 259095 304155 310914 466371 518190 608310 777285 932742 1399113 1554570 2331855 2798226 4663710 6995565 13991130
• Sum of all divisors σ(n): 39308544
• Sum of proper divisors (its aliquot sum) s(n): 25317414
• 13991130 is an abundant number, because the sum of its proper divisors (25317414) is greater than itself. Its abundance is 11326284

Bases of 13991130

• Binary: 110101010111110011011010₂
• Hexadecimal: 0xD57CDA
• Base-36: 8BVMI

Squares and roots of 13991130

• 13991130 squared (13991130²) is 195751718676900
• 13991130 cubed (13991130³) is 2738787743731935897000
• The square root of 13991130 is 3740.4718953629
• The cube root of 13991130 is 240.9633157553

Scales and comparisons

• 13,991,130 seconds is equal to 23 weeks, 22 hours, 25 minutes, 30 seconds.
• To count from 1 to 13,991,130 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 13991130 cubic inches would be around 20.1 feet tall.

Recreational maths with 13991130

• 13991130 backwards is 03119931
• 13991130 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13991130's digits is 27
• More coming soon!