20181358 (number)

20181358 is an even 8-digits composite number following 20181357 and preceding 20181359. In scientific notation, it is written as 2.0181358 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10090678 positive integers (up to 20181358) that are relatively prime to 20181358.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand three hundred fifty-eight

Notation

Scientific notation 2.0181358 × 10^7
Engineering notation 2.0181358 × 10^6

Prime Factorization of 20181358

Prime Factorization 2 × 10090679

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20181358
Product of the distinct prime numbers

The prime factorization of 20181358 is 2 × 10090679. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181358)

Multiplication

n×y
n×2 40362716
n×3 60544074
n×4 80725432
n×5 100906790

Division

n÷y
n÷2 10090679
n÷3 6727119.3333333
n÷3 5045339.5
n÷5 4036271.6

Exponentiation

ny
n2 407287210724164
n3 8.2196090084458E+21
n4 1.6588287201947E+29
n5 3.3477416262931E+36

Nth Root

y√n
2√n 4492.366636863
3√n 272.25976301805
4√n 67.025119446839
5√n 28.906138372447

Divisors of 20181358

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 -20181357
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 20181358 can be divided by 4 positive divisors. The sum of these divisors (counting 20181358) is 1, the average is 0.25.

Base conversion 20181358

Base System Value
2 Binary 1001100111111000101101110
3 Ternary 1101222022121201
4 Quaternary 1030333011232
5 Quinary 20131300413
6 Senary 2000320114
8 Octal 114770556
10 Decimal 20181358
12 Duodecimal 691303a
16 Hexadecimal 133f16e
20 Vigesimal 662d7i
36 Base36 c0k1a

Cryptographic Hash Functions

md5 9eb1f22c82dd53d4c575dac6d1510509
sha1 b9326e8b88df97e3694671706c204e06d1c23d49
sha256 b59f4beccce9ca07b3c307da28c47feac378578a7645e67a0b22c0906cb0e404
sha512 df9ff5a6e8abf3597a59ad47c02abfef427b431f90e126d75cd23c71e11d10a09a6c6cfde83631388aaa23216a5a2cac963a4fa0ac810c5b4a100f0b2003f760
ripemd-160 5fc1fe3b906c91e2a41854b90b053ae9f3a8fd9b

20181358 as geometric shapes

Circle

Radius = n
Diameter 40362716
Circumference 126803212.06453
Area 1.2795305091121E+15

Sphere

Radius = n
Volume 3.4430217701752E+22
Surface area 5.1181220364484E+15
Circumference 126803212.06453

Square

Length = n
Perimeter 80725432
Area 407287210724164
Diagonal 28540750.190707

Cube

Length = n
Surface area 2443723264344984
Volume 8.2196090084458E+21
Space diagonal 34955137.421737

Equilateral Triangle

Length = n
Perimeter 60544074
Area 1.7636053556182E+14
Altitude 17477568.710868

Triangular Pyramid

Length = n
Surface area 1.7636053556182E+14
Volume 9.6869021142901E+20
Height 9513583.3969023