18455945 (number)

18455945 is an odd 8-digits composite number following 18455944 and preceding 18455946. In scientific notation, it is written as 1.8455945 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 14300160 positive integers (up to 18455945) that are relatively prime to 18455945.

Interesting facts

Basic properties

Name

Name eighteen million four hundred fifty-five thousand nine hundred forty-five

Notation

Scientific notation 1.8455945 × 10^7
Engineering notation 1.8455945 × 10^6

Prime Factorization of 18455945

Prime Factorization 5 × 41 × 197 × 457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18455945
Product of the distinct prime numbers

The prime factorization of 18455945 is 5 × 41 × 197 × 457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 22, 5, 173, 722, 2269, 7011, 15732, 21352, 656797, 562204, 2721638, 3012735, 72232927, 54870330, 164335620, 235402648, 7457488037, 7150141443

Basic calculations (n = 18455945)

Multiplication

n×y
n×2 36911890
n×3 55367835
n×4 73823780
n×5 92279725

Division

n÷y
n÷2 9227972.5
n÷3 6151981.6666667
n÷3 4613986.25
n÷5 3691189

Exponentiation

ny
n2 340621905843025
n3 6.286499160034E+21
n4 1.1602328274013E+29
n5 2.1413193249714E+36

Nth Root

y√n
2√n 4296.0382912632
3√n 264.26851792524
4√n 65.544170536084
5√n 28.394044422809

Divisors of 18455945

1, 5, 41, 197, 205, 457, 985, 2285, 8077, 18737, 40385, 90029, 93685, 450145, 3691189, 18455945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18455944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18455945 can be divided by 16 positive divisors. The sum of these divisors (counting 18455945) is 1, the average is 0.0625.

Base conversion 18455945

Base System Value
2 Binary 1000110011001110110001001
3 Ternary 1021201122210112
4 Quaternary 1012121312021
5 Quinary 14211042240
6 Senary 1455324105
8 Octal 106316611
10 Decimal 18455945
12 Duodecimal 6220635
16 Hexadecimal 1199d89
20 Vigesimal 5f6jh5
36 Base36 azkp5

Cryptographic Hash Functions

md5 84cc82c16bcda2a213acf2f01169832b
sha1 edf9f9060470aa9ec7faad88d58494923963e15b
sha256 40700d6e026d50a51c09e2387811337e3a1f255731dbac879a475ef6441d6f56
sha512 da5be137add6dc91ae0cd0492ecbbeed9b79184f4882f6c005dc3a434998f49c1bfb63f7baec05100ef12b43f625d202611c79fe711fd3dad8b9ceed2b45ea2b
ripemd-160 b915e5e9c49d3fa957ea4a819f016200acabc014

18455945 as geometric shapes

Circle

Radius = n
Diameter 36911890
Circumference 115962122.45411
Area 1.0700952770482E+15

Sphere

Radius = n
Volume 2.6332826103948E+22
Surface area 4.2803811081928E+15
Circumference 115962122.45411

Square

Length = n
Perimeter 73823780
Area 340621905843025
Diagonal 26100647.725412

Cube

Length = n
Surface area 2043731435058150
Volume 6.286499160034E+21
Space diagonal 31966634.441697

Equilateral Triangle

Length = n
Perimeter 55367835
Area 1.4749361177277E+14
Altitude 15983317.220848

Triangular Pyramid

Length = n
Surface area 1.4749361177277E+14
Volume 7.4087103099727E+20
Height 8700215.9084706