20389946 (number)

20389946 is an even 8-digits composite number following 20389945 and preceding 20389947. In scientific notation, it is written as 2.0389946 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 9973824 positive integers (up to 20389946) that are relatively prime to 20389946.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand nine hundred forty-six

Notation

Scientific notation 2.0389946 × 10^7
Engineering notation 2.0389946 × 10^6

Prime Factorization of 20389946

Prime Factorization 2 × 1087 × 113 × 83

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20389946
Product of the distinct prime numbers

The prime factorization of 20389946 is 2 × 1087 × 113 × 83. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20389946)

Multiplication

n×y
n×2 40779892
n×3 61169838
n×4 81559784
n×5 101949730

Division

n÷y
n÷2 10194973
n÷3 6796648.6666667
n÷3 5097486.5
n÷5 4077989.2

Exponentiation

ny
n2 415749897882916
n3 8.4771179673382E+21
n4 1.7284797758966E+29
n5 3.5243609292623E+36

Nth Root

y√n
2√n 4515.5227825801
3√n 273.19454617196
4√n 67.197639709889
5√n 28.965645761292

Divisors of 20389946

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 -20389945
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 20389946 can be divided by 16 positive divisors. The sum of these divisors (counting 20389946) is 1, the average is 0.0625.

Base conversion 20389946

Base System Value
2 Binary 1001101110010000000111010
3 Ternary 1102100220202012
4 Quaternary 1031302000322
5 Quinary 20204434241
6 Senary 2005005522
8 Octal 115620072
10 Decimal 20389946
12 Duodecimal 69b38a2
16 Hexadecimal 137203a
20 Vigesimal 678eh6
36 Base36 c50ze

Cryptographic Hash Functions

md5 ccb480897dcf8be9aab7992fcc3a4386
sha1 cb80275f2c898fb4242fd91853ef1e9f187693d2
sha256 650268a7a40e37f1088d40582aa72d6f5f341cfc22143c9b62c11b64eef40bc6
sha512 f78e6c6d43fb3842e78b03f7cd4994f4ef0780a5ca716068e90d38939cdf6f5195f89238cec6fb670bb1ec4e44feb2cb8cb5caf97a63ee567caff6f5796e5dd8
ripemd-160 b5e476b9d19085d3d421714d21d6997259b4251c

20389946 as geometric shapes

Circle

Radius = n
Diameter 40779892
Circumference 128113809.12139
Area 1.3061168249197E+15

Sphere

Radius = n
Volume 3.5508868706405E+22
Surface area 5.2244672996787E+15
Circumference 128113809.12139

Square

Length = n
Perimeter 81559784
Area 415749897882916
Diagonal 28835738.169255

Cube

Length = n
Surface area 2494499387297496
Volume 8.4771179673382E+21
Space diagonal 35316422.435586

Equilateral Triangle

Length = n
Perimeter 61169838
Area 1.800249865937E+14
Altitude 17658211.217793

Triangular Pyramid

Length = n
Surface area 1.800249865937E+14
Volume 9.9903793327052E+20
Height 9611912.723085