13640930

Names of 13640930

• Cardinal: 13640930 can be written as Thirteen million, six hundred forty thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 1.364093 × 10⁷

Factors of 13640930

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 674

Divisors of 13640930

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 31 62 79 155 158 310 395 557 790 1114 2449 2785 4898 5570 12245 17267 24490 34534 44003 86335 88006 172670 220015 440030 1364093 2728186 6820465 13640930
• Sum of all divisors σ(n): 25712640
• Sum of proper divisors (its aliquot sum) s(n): 12071710
• 13640930 is a deficient number, because the sum of its proper divisors (12071710) is less than itself. Its deficiency is 1569220

Bases of 13640930

• Binary: 110100000010010011100010₂
• Hexadecimal: 0xD024E2
• Base-36: 84DEQ

Squares and roots of 13640930

• 13640930 squared (13640930²) is 186074971264900
• 13640930 cubed (13640930³) is 2538235657776512357000
• The square root of 13640930 is 3693.3629661867
• The cube root of 13640930 is 238.9358557575

Scales and comparisons

• 13,640,930 seconds is equal to 22 weeks, 3 days, 21 hours, 8 minutes, 50 seconds.
• To count from 1 to 13,640,930 would take you about thirty-three 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 13640930 cubic inches would be around 19.9 feet tall.

Recreational maths with 13640930

• 13640930 backwards is 03904631
• The number of decimal digits it has is: 8
• The sum of 13640930's digits is 26
• More coming soon!