19990685 (number)

19990685 is an odd 8-digits composite number following 19990684 and preceding 19990686. In scientific notation, it is written as 1.9990685 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 13201920 positive integers (up to 19990685) that are relatively prime to 19990685.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety thousand six hundred eighty-five

Notation

Scientific notation 1.9990685 × 10^7
Engineering notation 1.9990685 × 10^6

Prime Factorization of 19990685

Prime Factorization 65 × 11 × 73 × 383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19990685
Product of the distinct prime numbers

The prime factorization of 19990685 is 65 × 11 × 73 × 383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19990685)

Multiplication

n×y
n×2 39981370
n×3 59972055
n×4 79962740
n×5 99953425

Division

n÷y
n÷2 9995342.5
n÷3 6663561.6666667
n÷3 4997671.25
n÷5 3998137

Exponentiation

ny
n2 399627486769225
n3 7.9888272053452E+21
n4 1.5970212818149E+29
n5 3.1925549383057E+36

Nth Root

y√n
2√n 4471.0943850471
3√n 271.39961378186
4√n 66.86624249236
5√n 28.851309867352

Divisors of 19990685

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19990684
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19990685 can be divided by 16 positive divisors. The sum of these divisors (counting 19990685) is 1, the average is 0.0625.

Base conversion 19990685

Base System Value
2 Binary 1001100010000100010011101
3 Ternary 1101121122001202
4 Quaternary 1030100202131
5 Quinary 20104200220
6 Senary 1552245245
8 Octal 114204235
10 Decimal 19990685
12 Duodecimal 6840825
16 Hexadecimal 131089d
20 Vigesimal 64ige5
36 Base36 bwgwt

Cryptographic Hash Functions

md5 678b578473b03aadb5c108ec97467a1d
sha1 237864485aec9af75ceffa5888d9d28253d7c70e
sha256 bf59ea565b50243a114420bb95ada1a7474cb5fe4a7f0b2d0bf43c419c8247fa
sha512 b5d62c6fb79f28c3debffd244ef59419aae24cc4787dbe7a86536978785d24f6651cd6ce0ce7714b4d0afac1bb3857515ecef78594141531cc6725de8c1ddabb
ripemd-160 16b88d279f2d01cca0542f1e7b5235e108b42b2b

19990685 as geometric shapes

Circle

Radius = n
Diameter 39981370
Circumference 125605178.27246
Area 1.2554667766067E+15

Sphere

Radius = n
Volume 3.3463521145481E+22
Surface area 5.021867106427E+15
Circumference 125605178.27246

Square

Length = n
Perimeter 79962740
Area 399627486769225
Diagonal 28271097.848128

Cube

Length = n
Surface area 2397764920615350
Volume 7.9888272053452E+21
Space diagonal 34624882.098105

Equilateral Triangle

Length = n
Perimeter 59972055
Area 1.7304377779634E+14
Altitude 17312441.049053

Triangular Pyramid

Length = n
Surface area 1.7304377779634E+14
Volume 9.4149231510453E+20
Height 9423699.2827095