18180640 (number)

18180640 is an even 8-digits composite number following 18180639 and preceding 18180641. In scientific notation, it is written as 1.8180640 × 10^7. The sum of its digits is 28. It has a total of 8 prime factors and 48 positive divisors. There are 7223040 positive integers (up to 18180640) that are relatively prime to 18180640.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty thousand six hundred forty

Notation

Scientific notation 1.8180640 × 10^7
Engineering notation 1.8180640 × 10^6

Prime Factorization of 18180640

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 199 × 571

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1136290
Product of the distinct prime numbers

The prime factorization of 18180640 is 2 × 2 × 2 × 2 × 2 × 5 × 199 × 571. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18180640)

Multiplication

n×y
n×2 36361280
n×3 54541920
n×4 72722560
n×5 90903200

Division

n÷y
n÷2 9090320
n÷3 6060213.3333333
n÷3 4545160
n÷5 3636128

Exponentiation

ny
n2 330535670809600
n3 6.0093500381478E+21
n4 1.0925382967755E+29
n5 1.9863045459889E+36

Nth Root

y√n
2√n 4263.8761708098
3√n 262.94790951271
4√n 65.298362696241
5√n 28.308824332734

Divisors of 18180640

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18180639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18180640 can be divided by 48 positive divisors. The sum of these divisors (counting 18180640) is 1, the average is 0.020833333333333.

Base conversion 18180640

Base System Value
2 Binary 1000101010110101000100000
3 Ternary 1021012200011001
4 Quaternary 1011112220200
5 Quinary 14123240030
6 Senary 1445401344
8 Octal 105265040
10 Decimal 18180640
12 Duodecimal 6109254
16 Hexadecimal 1156a20
20 Vigesimal 5dcbc0
36 Base36 ato9s

Cryptographic Hash Functions

md5 bfcf922660f06332df1540f7c32fb451
sha1 1e8354ac2f5117e2d17a7f6c677e3fdf6384e65b
sha256 d6f745a5b6f31e00bef0a6c277cdd6811ba2db2c3a09f41eaf6427b0516d3ec6
sha512 045cb673950872cf5d6af3311258986a6168617a8cb0d6ff0a20abc3083fda10525a1769105303c4eb882b3b189bdbd7b772c06e541fb840ac7003c27a83d8a4
ripemd-160 855b5ff8b1602cc4558e230266d8933080f787f1

18180640 as geometric shapes

Circle

Radius = n
Diameter 36361280
Circumference 114232330.12312
Area 1.0384084351648E+15

Sphere

Radius = n
Volume 2.5171906576926E+22
Surface area 4.1536337406593E+15
Circumference 114232330.12312

Square

Length = n
Perimeter 72722560
Area 330535670809600
Diagonal 25711307.660623

Cube

Length = n
Surface area 1983214024857600
Volume 6.0093500381478E+21
Space diagonal 31489792.194119

Equilateral Triangle

Length = n
Perimeter 54541920
Area 1.4312614388902E+14
Altitude 15744896.09706

Triangular Pyramid

Length = n
Surface area 1.4312614388902E+14
Volume 7.0820869374966E+20
Height 8570435.8868743