20138555 (number)

20138555 is an odd 8-digits composite number following 20138554 and preceding 20138556. In scientific notation, it is written as 2.0138555 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16110840 positive integers (up to 20138555) that are relatively prime to 20138555.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand five hundred fifty-five

Notation

Scientific notation 2.0138555 × 10^7
Engineering notation 2.0138555 × 10^6

Prime Factorization of 20138555

Prime Factorization 5 × 4027711

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20138555
Product of the distinct prime numbers

The prime factorization of 20138555 is 5 × 4027711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138555)

Multiplication

n×y
n×2 40277110
n×3 60415665
n×4 80554220
n×5 100692775

Division

n÷y
n÷2 10069277.5
n÷3 6712851.6666667
n÷3 5034638.75
n÷5 4027711

Exponentiation

ny
n2 405561397488025
n3 8.1674205091895E+21
n4 1.6448004713244E+29
n5 3.3123904755792E+36

Nth Root

y√n
2√n 4487.6001381585
3√n 272.06714659308
4√n 66.989552455278
5√n 28.893866448653

Divisors of 20138555

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 -20138554
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 20138555 can be divided by 4 positive divisors. The sum of these divisors (counting 20138555) is 1, the average is 0.25.

Base conversion 20138555

Base System Value
2 Binary 1001100110100101000111011
3 Ternary 1101220010220102
4 Quaternary 1030310220323
5 Quinary 20123413210
6 Senary 1555350015
8 Octal 114645073
10 Decimal 20138555
12 Duodecimal 68b230b
16 Hexadecimal 1334a3b
20 Vigesimal 65h67f
36 Base36 bzn0b

Cryptographic Hash Functions

md5 d42e3e619d11bdf5b1e01df14b0038ec
sha1 c18a6af42b1384df3f2f60c08810b25118ac012b
sha256 21085753ad13246491801b783dc93ff5e3dde9e045a6878eea85e5822c97bdc3
sha512 17cc0ddfbf7e18dfab03e15eb659cdd90a4b77802590c7938dbd90c3d7144cef4896bb0e0f2add7082ef7b991db9dfbcf83c36ecc9c8a7970dfb64b0e6d76a13
ripemd-160 5f27d299beb94842c88d275fbedf6dc6221ffbb8

20138555 as geometric shapes

Circle

Radius = n
Diameter 40277110
Circumference 126534272.88383
Area 1.274108706928E+15

Sphere

Radius = n
Volume 3.4211611027264E+22
Surface area 5.096434827712E+15
Circumference 126534272.88383

Square

Length = n
Perimeter 80554220
Area 405561397488025
Diagonal 28480217.607597

Cube

Length = n
Surface area 2433368384928150
Volume 8.1674205091895E+21
Space diagonal 34881000.45102

Equilateral Triangle

Length = n
Perimeter 60415665
Area 1.7561323650947E+14
Altitude 17440500.22551

Triangular Pyramid

Length = n
Surface area 1.7561323650947E+14
Volume 9.6253973780832E+20
Height 9493405.8691988