20145389 (number)

20145389 is an odd 8-digits composite number following 20145388 and preceding 20145390. In scientific notation, it is written as 2.0145389 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18313980 positive integers (up to 20145389) that are relatively prime to 20145389.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand three hundred eighty-nine

Notation

Scientific notation 2.0145389 × 10^7
Engineering notation 2.0145389 × 10^6

Prime Factorization of 20145389

Prime Factorization 11 × 1831399

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145389
Product of the distinct prime numbers

The prime factorization of 20145389 is 11 × 1831399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145389)

Multiplication

n×y
n×2 40290778
n×3 60436167
n×4 80581556
n×5 100726945

Division

n÷y
n÷2 10072694.5
n÷3 6715129.6666667
n÷3 5036347.25
n÷5 4029077.8

Exponentiation

ny
n2 405836697961321
n3 8.1757381509063E+21
n4 1.6470342541215E+29
n5 3.3180145745602E+36

Nth Root

y√n
2√n 4488.3615050484
3√n 272.09791835734
4√n 66.995234942855
5√n 28.895827203886

Divisors of 20145389

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145388
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145389 can be divided by 4 positive divisors. The sum of these divisors (counting 20145389) is 1, the average is 0.25.

Base conversion 20145389

Base System Value
2 Binary 1001100110110010011101101
3 Ternary 1101220111021112
4 Quaternary 1030312103231
5 Quinary 20124123024
6 Senary 1555441405
8 Octal 114662355
10 Decimal 20145389
12 Duodecimal 68b6265
16 Hexadecimal 13364ed
20 Vigesimal 65i399
36 Base36 bzsa5

Cryptographic Hash Functions

md5 b5487ed2669ee6881eece5985dd0c14b
sha1 97893a0cd17496de8161d2f611960a53d21626bc
sha256 992f8d5a41b61dcc1635b5904f3e02f376dc3c8653addb2cf4bbc1688f5ea580
sha512 6af77196026ef5eb5c91b48c373306c499aae36e4d0662601bc7c6c5b4b70815e5ac7907c6b1eb8062257ae15230951fa5118b5e2b0ab5c0381cff6807b19b77
ripemd-160 07ce83ed0b5bf2e40ae12bd1207a38007c8d95e0

20145389 as geometric shapes

Circle

Radius = n
Diameter 40290778
Circumference 126577212.17222
Area 1.2749735888724E+15

Sphere

Radius = n
Volume 3.4246451883415E+22
Surface area 5.0998943554897E+15
Circumference 126577212.17222

Square

Length = n
Perimeter 80581556
Area 405836697961321
Diagonal 28489882.343082

Cube

Length = n
Surface area 2435020187767926
Volume 8.1757381509063E+21
Space diagonal 34892837.286239

Equilateral Triangle

Length = n
Perimeter 60436167
Area 1.7573244511125E+14
Altitude 17446418.64312

Triangular Pyramid

Length = n
Surface area 1.7573244511125E+14
Volume 9.6351998128524E+20
Height 9496627.4476939