1390885425

Names of 1390885425

• Cardinal: 1390885425 can be written as One billion, three hundred ninety million, eight hundred eighty-five thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.390885425 × 10⁹

Factors of 1390885425

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 178

Divisors of 1390885425

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 5 9 15 25 27 45 73 75 81 97 135 219 225 291 365 405 485 657 675 873 1095 1455 1825 1971 2025 2425 2619 3285 4365 5475 5913 7081 7275 7857 9409 9855 13095 16425 21243 21825 28227 29565 35405 39285 47045 49275 63729 65475 84681 106215 141135 147825 177025 191187 196425 235225 254043 318645 423405 531075 573561 686857 705675 762129 955935 1270215 1593225 2060571 2117025 2867805 3434285 3810645 4779675 6181713 6351075 10302855 14339025 17171425 18545139 19053225 30908565 51514275 55635417 92725695 154542825 278177085 463628475 1390885425
• Sum of all divisors σ(n): 2638896018
• Sum of proper divisors (its aliquot sum) s(n): 1248010593
• 1390885425 is a deficient number, because the sum of its proper divisors (1248010593) is less than itself. Its deficiency is 142874832

Bases of 1390885425

• Binary: 1010010111001110011101000110001₂
• Hexadecimal: 0x52E73A31
• Base-36: N03I29

Squares and roots of 1390885425

• 1390885425 squared (1390885425²) is 1934562265477430625
• 1390885425 cubed (1390885425³) is 2690754458807538922761140625
• The square root of 1390885425 is 37294.5763483111
• The cube root of 1390885425 is 1116.2559463257

Scales and comparisons

• 1,390,885,425 seconds is equal to 44 years, 11 weeks, 5 days, 5 hours, 3 minutes, 45 seconds.
• To count from 1 to 1,390,885,425 would take you about eighty-eight 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 1390885425 cubic inches would be around 93 feet tall.

Recreational maths with 1390885425

• 1390885425 backwards is 5245880931
• 1390885425 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1390885425's digits is 45
• More coming soon!