20145155 (number)

20145155 is an odd 8-digits composite number following 20145154 and preceding 20145156. In scientific notation, it is written as 2.0145155 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 16116120 positive integers (up to 20145155) that are relatively prime to 20145155.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand one hundred fifty-five

Notation

Scientific notation 2.0145155 × 10^7
Engineering notation 2.0145155 × 10^6

Prime Factorization of 20145155

Prime Factorization 5 × 4029031

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145155
Product of the distinct prime numbers

The prime factorization of 20145155 is 5 × 4029031. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145155)

Multiplication

n×y
n×2 40290310
n×3 60435465
n×4 80580620
n×5 100725775

Division

n÷y
n÷2 10072577.5
n÷3 6715051.6666667
n÷3 5036288.75
n÷5 4029031

Exponentiation

ny
n2 405827269974025
n3 8.1754532568536E+21
n4 1.6469577305457E+29
n5 3.3178218760291E+36

Nth Root

y√n
2√n 4488.3354375537
3√n 272.09686482992
4√n 66.995040395194
5√n 28.895760075324

Divisors of 20145155

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 -20145154
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 20145155 can be divided by 4 positive divisors. The sum of these divisors (counting 20145155) is 1, the average is 0.25.

Base conversion 20145155

Base System Value
2 Binary 1001100110110010000000011
3 Ternary 1101220110221212
4 Quaternary 1030312100003
5 Quinary 20124121110
6 Senary 1555440335
8 Octal 114662003
10 Decimal 20145155
12 Duodecimal 68b60ab
16 Hexadecimal 1336403
20 Vigesimal 65i2hf
36 Base36 bzs3n

Cryptographic Hash Functions

md5 c6a0903a5df73882e31bbf5a7a6a5137
sha1 3e6e3078e4236511550e268fb9ebc2dd5410d3f3
sha256 2024783ab9c898a0d9e50be947aa95bbd09d834df6e4395cfa4afdc738a87be4
sha512 874dab8b7c26c03b49353be528dd756af3e5571e7c0ae3c0ce2adf2ccec79bb15ecaf16335c3dddc393c1cfb76656de3b64bdf0af7e28f8a694a8f627f0c7b78
ripemd-160 b99b07569d0f98a71ee8db376fc274dfb20ad67d

20145155 as geometric shapes

Circle

Radius = n
Diameter 40290310
Circumference 126575741.90686
Area 1.2749439699768E+15

Sphere

Radius = n
Volume 3.4245258521997E+22
Surface area 5.0997758799072E+15
Circumference 126575741.90686

Square

Length = n
Perimeter 80580620
Area 405827269974025
Diagonal 28489551.417108

Cube

Length = n
Surface area 2434963619844150
Volume 8.1754532568536E+21
Space diagonal 34892431.98635

Equilateral Triangle

Length = n
Perimeter 60435465
Area 1.75728362673E+14
Altitude 17446215.993175

Triangular Pyramid

Length = n
Surface area 1.75728362673E+14
Volume 9.6348640619914E+20
Height 9496517.1390361