20138155 (number)

20138155 is an odd 8-digits composite number following 20138154 and preceding 20138156. In scientific notation, it is written as 2.0138155 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 16110520 positive integers (up to 20138155) that are relatively prime to 20138155.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138155 × 10^7
Engineering notation 2.0138155 × 10^6

Prime Factorization of 20138155

Prime Factorization 5 × 4027631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20138155
Product of the distinct prime numbers

The prime factorization of 20138155 is 5 × 4027631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138155)

Multiplication

n×y
n×2 40276310
n×3 60414465
n×4 80552620
n×5 100690775

Division

n÷y
n÷2 10069077.5
n÷3 6712718.3333333
n÷3 5034538.75
n÷5 4027631

Exponentiation

ny
n2 405545286804025
n3 8.1669338451789E+21
n4 1.6446697964896E+29
n5 3.3120615285526E+36

Nth Root

y√n
2√n 4487.5555706866
3√n 272.06534527914
4√n 66.989219809508
5√n 28.893751667444

Divisors of 20138155

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 -20138154
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 20138155 can be divided by 4 positive divisors. The sum of these divisors (counting 20138155) is 1, the average is 0.25.

Base conversion 20138155

Base System Value
2 Binary 1001100110100100010101011
3 Ternary 1101220010100121
4 Quaternary 1030310202223
5 Quinary 20123410110
6 Senary 1555344111
8 Octal 114644253
10 Decimal 20138155
12 Duodecimal 68b2037
16 Hexadecimal 13348ab
20 Vigesimal 65h57f
36 Base36 bzmp7

Cryptographic Hash Functions

md5 7340c09cbdb77b512954c9942ffbd558
sha1 255df0ae04ed441916c156da0ea44dc184ce9e2a
sha256 7da91ffc6859650fcbf5bcb58b4d9f88431ba6ef413c26e55e6dd1abe665ba2e
sha512 d22dfc5bdb77d8ab8e56e28f3d55d31bd0598a7e96786339e966039985c39f6d4fbd239119051fe9e60642d39fc028ec6bc322a851b6007e2eeef3c6aab0429c
ripemd-160 46226ba44ffe8930a79f1b0f6c5282dd12e5226b

20138155 as geometric shapes

Circle

Radius = n
Diameter 40276310
Circumference 126531759.60971
Area 1.2740580937215E+15

Sphere

Radius = n
Volume 3.4209572493824E+22
Surface area 5.096232374886E+15
Circumference 126531759.60971

Square

Length = n
Perimeter 80552620
Area 405545286804025
Diagonal 28479651.922172

Cube

Length = n
Surface area 2433271720824150
Volume 8.1669338451789E+21
Space diagonal 34880307.630697

Equilateral Triangle

Length = n
Perimeter 60414465
Area 1.7560626037867E+14
Altitude 17440153.815349

Triangular Pyramid

Length = n
Surface area 1.7560626037867E+14
Volume 9.6248238390466E+20
Height 9493217.3073905