20155545 (number)

20155545 is an odd 8-digits composite number following 20155544 and preceding 20155546. In scientific notation, it is written as 2.0155545 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 10749600 positive integers (up to 20155545) that are relatively prime to 20155545.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155545 × 10^7
Engineering notation 2.0155545 × 10^6

Prime Factorization of 20155545

Prime Factorization 45 × 447901

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20155545
Product of the distinct prime numbers

The prime factorization of 20155545 is 45 × 447901. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155545)

Multiplication

n×y
n×2 40311090
n×3 60466635
n×4 80622180
n×5 100777725

Division

n÷y
n÷2 10077772.5
n÷3 6718515
n÷3 5038886.25
n÷5 4031109

Exponentiation

ny
n2 406245994247025
n3 8.1881094181157E+21
n4 1.6503580784175E+29
n5 3.3263866515658E+36

Nth Root

y√n
2√n 4489.4927330379
3√n 272.14363538981
4√n 67.003677011324
5√n 28.898740097356

Divisors of 20155545

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 -20155544
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 20155545 can be divided by 4 positive divisors. The sum of these divisors (counting 20155545) is 1, the average is 0.25.

Base conversion 20155545

Base System Value
2 Binary 1001100111000110010011001
3 Ternary 1101221000012200
4 Quaternary 1030320302121
5 Quinary 20124434140
6 Senary 2000000413
8 Octal 114706231
10 Decimal 20155545
12 Duodecimal 6900109
16 Hexadecimal 1338c99
20 Vigesimal 65j8h5
36 Base36 c0049

Cryptographic Hash Functions

md5 ed18579ba35834ef2e16166cbaa5fa80
sha1 e07c5df26c136093bdefa487ad7506e1260145ae
sha256 9680e49bcf1d1470f4d07de3e120ef777097702503f15ded86fc104b7419f33c
sha512 1d1f7b038fbb1662d86f1164bf204a7029983bf33c02dc886bea911248c2e1e2a883997abac52ac7126eccff38428a5046bb0f6971e33c8589e66613176af34f
ripemd-160 2f3e3ce3e94d75baa9cc18df485766011544b6e0

20155545 as geometric shapes

Circle

Radius = n
Diameter 40311090
Circumference 126641024.2022
Area 1.2762594310767E+15

Sphere

Radius = n
Volume 3.4298272526322E+22
Surface area 5.1050377243069E+15
Circumference 126641024.2022

Square

Length = n
Perimeter 80622180
Area 406245994247025
Diagonal 28504245.096021

Cube

Length = n
Surface area 2437475965482150
Volume 8.1881094181157E+21
Space diagonal 34910427.994241

Equilateral Triangle

Length = n
Perimeter 60466635
Area 1.759096756018E+14
Altitude 17455213.99712

Triangular Pyramid

Length = n
Surface area 1.759096756018E+14
Volume 9.6497794910784E+20
Height 9501415.0320071