20185455 (number)

20185455 is an odd 8-digits composite number following 20185454 and preceding 20185456. In scientific notation, it is written as 2.0185455 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10728480 positive integers (up to 20185455) that are relatively prime to 20185455.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-five thousand four hundred fifty-five

Notation

Scientific notation 2.0185455 × 10^7
Engineering notation 2.0185455 × 10^6

Prime Factorization of 20185455

Prime Factorization 15 × 311 × 4327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20185455
Product of the distinct prime numbers

The prime factorization of 20185455 is 15 × 311 × 4327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20185455)

Multiplication

n×y
n×2 40370910
n×3 60556365
n×4 80741820
n×5 100927275

Division

n÷y
n÷2 10092727.5
n÷3 6728485
n÷3 5046363.75
n÷5 4037091

Exponentiation

ny
n2 407452593557025
n3 8.2246159918786E+21
n4 1.6601761599635E+29
n5 3.3511411169015E+36

Nth Root

y√n
2√n 4492.8226094517
3√n 272.27818551099
4√n 67.02852086576
5√n 28.907311919175

Divisors of 20185455

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20185454
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20185455 can be divided by 8 positive divisors. The sum of these divisors (counting 20185455) is 1, the average is 0.125.

Base conversion 20185455

Base System Value
2 Binary 1001101000000000101101111
3 Ternary 1101222112020110
4 Quaternary 1031000011233
5 Quinary 20131413310
6 Senary 2000351103
8 Octal 115000557
10 Decimal 20185455
12 Duodecimal 6915493
16 Hexadecimal 134016f
20 Vigesimal 6633cf
36 Base36 c0n73

Cryptographic Hash Functions

md5 bce4c759231f47602cd8b653a8757b0e
sha1 69631e68a8bda88627c010d597c4f0432273961e
sha256 2cb29cd744c4f73bc3e1945f36dedd323683f3a6eeac70d6bc8e697f40a60f43
sha512 175734bb66662598ebd8215fb836278766edbdaaa3c0010958aea35250025e8ac07572cf96f8c8da7372b54e4f22a76c9de625513bcace1ea8fa68a02cb55bb7
ripemd-160 615976b3ea762a8a67e9bad91508fc19b07bf793

20185455 as geometric shapes

Circle

Radius = n
Diameter 40370910
Circumference 126828954.27473
Area 1.2800500746049E+15

Sphere

Radius = n
Volume 3.4451190904911E+22
Surface area 5.1202002984194E+15
Circumference 126828954.27473

Square

Length = n
Perimeter 80741820
Area 407452593557025
Diagonal 28546544.223672

Cube

Length = n
Surface area 2444715561342150
Volume 8.2246159918786E+21
Space diagonal 34962233.633895

Equilateral Triangle

Length = n
Perimeter 60556365
Area 1.7643214842912E+14
Altitude 17481116.816948

Triangular Pyramid

Length = n
Surface area 1.7643214842912E+14
Volume 9.6928029008545E+20
Height 9515514.7412239