18211345 (number)

18211345 is an odd 8-digits composite number following 18211344 and preceding 18211346. In scientific notation, it is written as 1.8211345 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 14569072 positive integers (up to 18211345) that are relatively prime to 18211345.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eleven thousand three hundred forty-five

Notation

Scientific notation 1.8211345 × 10^7
Engineering notation 1.8211345 × 10^6

Prime Factorization of 18211345

Prime Factorization 5 × 3642269

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18211345
Product of the distinct prime numbers

The prime factorization of 18211345 is 5 × 3642269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18211345)

Multiplication

n×y
n×2 36422690
n×3 54634035
n×4 72845380
n×5 91056725

Division

n÷y
n÷2 9105672.5
n÷3 6070448.3333333
n÷3 4552836.25
n÷5 3642269

Exponentiation

ny
n2 331653086709025
n3 6.039848782373E+21
n4 1.0999376992362E+29
n5 2.0031344919297E+36

Nth Root

y√n
2√n 4267.475248903
3√n 263.09585580016
4√n 65.325915599424
5√n 28.318379946166

Divisors of 18211345

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 -18211344
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 18211345 can be divided by 4 positive divisors. The sum of these divisors (counting 18211345) is 1, the average is 0.25.

Base conversion 18211345

Base System Value
2 Binary 1000101011110001000010001
3 Ternary 1021021020021021
4 Quaternary 1011132020101
5 Quinary 14130230340
6 Senary 1450155441
8 Octal 105361021
10 Decimal 18211345
12 Duodecimal 6122b81
16 Hexadecimal 115e211
20 Vigesimal 5dg875
36 Base36 aubyp

Cryptographic Hash Functions

md5 78164a379eafed533d2699c1f3839a2a
sha1 76cddd09fccf7ea7dfbaee508fef1611e87f7751
sha256 e2aadbca5c81bddfc593c517cbc6e4daa3e89dd225f87b1260b9e8419a10438a
sha512 9f0355bf82371073796eb1e6e91a0e2a814dc541eb797688f4861e442d8acca33ca48a48edbf19afc233f5f163b8cf5615a1eef2a399aa53d187ad8309042b12
ripemd-160 b5f7a49a46b0e621ec9c7a4f93ea9964134779bc

18211345 as geometric shapes

Circle

Radius = n
Diameter 36422690
Circumference 114425255.32798
Area 1.0419189007455E+15

Sphere

Radius = n
Volume 2.5299659417995E+22
Surface area 4.1676756029818E+15
Circumference 114425255.32798

Square

Length = n
Perimeter 72845380
Area 331653086709025
Diagonal 25754731.088055

Cube

Length = n
Surface area 1989918520254150
Volume 6.039848782373E+21
Space diagonal 31542974.814165

Equilateral Triangle

Length = n
Perimeter 54634035
Area 1.4360999916677E+14
Altitude 15771487.407083

Triangular Pyramid

Length = n
Surface area 1.4360999916677E+14
Volume 7.1180300522621E+20
Height 8584910.3626852