18216918 (number)

18216918 is an even 8-digits composite number following 18216917 and preceding 18216919. In scientific notation, it is written as 1.8216918 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 5829120 positive integers (up to 18216918) that are relatively prime to 18216918.

Interesting facts

Basic properties

Name

Name eighteen million two hundred sixteen thousand nine hundred eighteen

Notation

Scientific notation 1.8216918 × 10^7
Engineering notation 1.8216918 × 10^6

Prime Factorization of 18216918

Prime Factorization 2 × 9 × 61 × 47 × 353

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18216918
Product of the distinct prime numbers

The prime factorization of 18216918 is 2 × 9 × 61 × 47 × 353. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 28, 97, 647, 578, 4945, 2376, 22173, 96036, 433902, 74110, 8829627, 1464302, 5298922, 18719145, 845983262, 204927396, 2470778203, 6210846953

Basic calculations (n = 18216918)

Multiplication

n×y
n×2 36433836
n×3 54650754
n×4 72867672
n×5 91084590

Division

n÷y
n÷2 9108459
n÷3 6072306
n÷3 4554229.5
n÷5 3643383.6

Exponentiation

ny
n2 331856101418724
n3 6.0453953873446E+21
n4 1.1012847204883E+29
n5 2.0062013447789E+36

Nth Root

y√n
2√n 4268.1281611498
3√n 263.12269042193
4√n 65.330912753074
5√n 28.320112921044

Divisors of 18216918

1, 2, 9, 18, 47, 61, 94, 122, 353, 423, 549, 706, 846, 1098, 2867, 3177, 5734, 6354, 16591, 21533, 25803, 33182, 43066, 51606, 149319, 193797, 298638, 387594, 1012051, 2024102, 9108459, 18216918

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18216917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18216918 can be divided by 32 positive divisors. The sum of these divisors (counting 18216918) is 1, the average is 0.03125.

Base conversion 18216918

Base System Value
2 Binary 1000101011111011111010110
3 Ternary 1021021111220200
4 Quaternary 1011133133112
5 Quinary 14130420133
6 Senary 1450241330
8 Octal 105373726
10 Decimal 18216918
12 Duodecimal 6126246
16 Hexadecimal 115f7d6
20 Vigesimal 5dh25i
36 Base36 aug9i

Cryptographic Hash Functions

md5 d391b27fbcbb761b36f266833c5af3d0
sha1 2c2f72442f7d9703acd95cef7785ff3f2408d5d0
sha256 bc6a2a3dfb0f2ad7734bfcb0af206940daf07ef61edee7465f50dac8edebe51d
sha512 0276294c8d4d959c23641bd464f869518cc08cd7a22c78b3e0f30ba4a33dc1b15889317a0490e7ebc276c9f234dc9b91a710eab2968d51e06da5c9cf801e3246
ripemd-160 e5449bdd8bb7deb2e717263841001e8295ee34c1

18216918 as geometric shapes

Circle

Radius = n
Diameter 36433836
Circumference 114460271.5197
Area 1.042556690266E+15

Sphere

Radius = n
Volume 2.532289298257E+22
Surface area 4.1702267610641E+15
Circumference 114460271.5197

Square

Length = n
Perimeter 72867672
Area 331856101418724
Diagonal 25762612.500239

Cube

Length = n
Surface area 1991136608512344
Volume 6.0453953873446E+21
Space diagonal 31552627.533316

Equilateral Triangle

Length = n
Perimeter 54650754
Area 1.4369790711474E+14
Altitude 15776313.766658

Triangular Pyramid

Length = n
Surface area 1.4369790711474E+14
Volume 7.1245667889087E+20
Height 8587537.5000795