20157455 (number)

20157455 is an odd 8-digits composite number following 20157454 and preceding 20157456. In scientific notation, it is written as 2.0157455 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16125960 positive integers (up to 20157455) that are relatively prime to 20157455.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand four hundred fifty-five

Notation

Scientific notation 2.0157455 × 10^7
Engineering notation 2.0157455 × 10^6

Prime Factorization of 20157455

Prime Factorization 5 × 4031491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20157455
Product of the distinct prime numbers

The prime factorization of 20157455 is 5 × 4031491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157455)

Multiplication

n×y
n×2 40314910
n×3 60472365
n×4 80629820
n×5 100787275

Division

n÷y
n÷2 10078727.5
n÷3 6719151.6666667
n÷3 5039363.75
n÷5 4031491

Exponentiation

ny
n2 406322992077025
n3 8.190437428258E+21
n4 1.6509837389043E+29
n5 3.3279630422694E+36

Nth Root

y√n
2√n 4489.7054469085
3√n 272.15223150112
4√n 67.005264322354
5√n 28.899287782883

Divisors of 20157455

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 -20157454
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 20157455 can be divided by 4 positive divisors. The sum of these divisors (counting 20157455) is 1, the average is 0.25.

Base conversion 20157455

Base System Value
2 Binary 1001100111001010000001111
3 Ternary 1101221002211102
4 Quaternary 1030321100033
5 Quinary 20130014310
6 Senary 2000013315
8 Octal 114712017
10 Decimal 20157455
12 Duodecimal 690123b
16 Hexadecimal 133940f
20 Vigesimal 65jdcf
36 Base36 c01lb

Cryptographic Hash Functions

md5 7d57671f82f28099fee4cda0dc2b89bd
sha1 016731021784296fd3fb6cebfe983362f26566ae
sha256 97173c50d60468e231472a234bf998a0c33d58677af26fdfd51f246a26451d48
sha512 55c393017960ee9c53716427b0bf6e573a1753b9eb917095d9cd8caa0b004fda8be2c7e824e2a97f93a7751b1e251c199a860176217b484bc53aa9b97fc8ff07
ripemd-160 a9b74c993731088a2a21943ca45b54f08bd6bf77

20157455 as geometric shapes

Circle

Radius = n
Diameter 40314910
Circumference 126653025.08613
Area 1.2765013268938E+15

Sphere

Radius = n
Volume 3.4308024072403E+22
Surface area 5.1060053075752E+15
Circumference 126653025.08613

Square

Length = n
Perimeter 80629820
Area 406322992077025
Diagonal 28506946.243925

Cube

Length = n
Surface area 2437937952462150
Volume 8.190437428258E+21
Space diagonal 34913736.211283

Equilateral Triangle

Length = n
Perimeter 60472365
Area 1.759430166402E+14
Altitude 17456868.105642

Triangular Pyramid

Length = n
Surface area 1.759430166402E+14
Volume 9.6525230773422E+20
Height 9502315.4146418