20138894 (number)

20138894 is an even 8-digits composite number following 20138893 and preceding 20138895. In scientific notation, it is written as 2.0138894 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 10069446 positive integers (up to 20138894) that are relatively prime to 20138894.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand eight hundred ninety-four

Notation

Scientific notation 2.0138894 × 10^7
Engineering notation 2.0138894 × 10^6

Prime Factorization of 20138894

Prime Factorization 2 × 10069447

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20138894
Product of the distinct prime numbers

The prime factorization of 20138894 is 2 × 10069447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138894)

Multiplication

n×y
n×2 40277788
n×3 60416682
n×4 80555576
n×5 100694470

Division

n÷y
n÷2 10069447
n÷3 6712964.6666667
n÷3 5034723.5
n÷5 4027778.8

Exponentiation

ny
n2 405575051543236
n3 8.1678329720738E+21
n4 1.644911224343E+29
n5 3.3126692786454E+36

Nth Root

y√n
2√n 4487.6379087444
3√n 272.06867318796
4√n 66.989834368689
5√n 28.893963724299

Divisors of 20138894

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 -20138893
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 20138894 can be divided by 4 positive divisors. The sum of these divisors (counting 20138894) is 1, the average is 0.25.

Base conversion 20138894

Base System Value
2 Binary 1001100110100101110001110
3 Ternary 1101220011100222
4 Quaternary 1030310232032
5 Quinary 20123421034
6 Senary 1555351342
8 Octal 114645616
10 Decimal 20138894
12 Duodecimal 68b2552
16 Hexadecimal 1334b8e
20 Vigesimal 65h74e
36 Base36 bzn9q

Cryptographic Hash Functions

md5 6d759139b019ca9296bf7eac40b5c62f
sha1 498f1ebee9d833a5fee8a2b20c882d5551a0ccd1
sha256 c27d49723a75adf17a63ad208e377e6278fcaa43b6e9486b61beb5e1886ecbab
sha512 df55267d92fb047fbf7ec83e1b301358b3845124d0056a84f1139dec1cb8dd70a280b2ef7ba6e2d2fc7967baff418189fccc558ca88704b240a23abd398eacb1
ripemd-160 e7c407287e7dd0c14da637060f26239868d4a8d7

20138894 as geometric shapes

Circle

Radius = n
Diameter 40277788
Circumference 126536402.88365
Area 1.2741516024075E+15

Sphere

Radius = n
Volume 3.4213338747754E+22
Surface area 5.0966064096301E+15
Circumference 126536402.88365

Square

Length = n
Perimeter 80555576
Area 405575051543236
Diagonal 28480697.025994

Cube

Length = n
Surface area 2433450309259416
Volume 8.1678329720738E+21
Space diagonal 34881587.616244

Equilateral Triangle

Length = n
Perimeter 60416682
Area 1.7561914888881E+14
Altitude 17440793.808122

Triangular Pyramid

Length = n
Surface area 1.7561914888881E+14
Volume 9.6258834702541E+20
Height 9493565.6753314