404389730

Names of 404389730

• Cardinal: 404389730 can be written as Four hundred four million, three hundred eighty-nine thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 4.0438973 × 10⁸

Factors of 404389730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1095

Divisors of 404389730

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 19 31 38 62 71 95 142 155 190 310 355 589 710 967 1178 1349 1934 2201 2698 2945 4402 4835 5890 6745 9670 11005 13490 18373 22010 29977 36746 41819 59954 68657 83638 91865 137314 149885 183730 209095 299770 343285 418190 569563 686570 1139126 1304483 2128367 2608966 2847815 4256734 5695630 6522415 10641835 13044830 21283670 40438973 80877946 202194865 404389730
• Sum of all divisors σ(n): 802897920
• Sum of proper divisors (its aliquot sum) s(n): 398508190
• 404389730 is a deficient number, because the sum of its proper divisors (398508190) is less than itself. Its deficiency is 5881540

Bases of 404389730

• Binary: 11000000110100111111101100010₂
• Hexadecimal: 0x181A7F62
• Base-36: 6ORH42

Squares and roots of 404389730

• 404389730 squared (404389730²) is 163531053729472900
• 404389730 cubed (404389730³) is 66130278664277039073317000
• The square root of 404389730 is 20109.4438013587
• The cube root of 404389730 is 739.4918169081

Scales and comparisons

• 404,389,730 seconds is equal to 12 years, 44 weeks, 4 days, 10 hours, 28 minutes, 50 seconds.
• To count from 1 to 404,389,730 would take you about nineteen 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 404389730 cubic inches would be around 61.6 feet tall.

Recreational maths with 404389730

• 404389730 backwards is 037983404
• 404389730 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 404389730's digits is 38
• More coming soon!