18012918 (number)

18012918 is an even 8-digits composite number following 18012917 and preceding 18012919. In scientific notation, it is written as 1.8012918 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 4626720 positive integers (up to 18012918) that are relatively prime to 18012918.

Interesting facts

Basic properties

Name

Name eighteen million twelve thousand nine hundred eighteen

Notation

Scientific notation 1.8012918 × 10^7
Engineering notation 1.8012918 × 10^6

Prime Factorization of 18012918

Prime Factorization 2 × 231 × 127 × 307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18012918
Product of the distinct prime numbers

The prime factorization of 18012918 is 2 × 231 × 127 × 307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 27, 49, 505, 260, 8751, 7519, 41738, 22310, 298018, 540065, 2240357, 4012009, 87623856, 89655743, 555753044, 985945883, 3406209067, 6009931209

Basic calculations (n = 18012918)

Multiplication

n×y
n×2 36025836
n×3 54038754
n×4 72051672
n×5 90064590

Division

n÷y
n÷2 9006459
n÷3 6004306
n÷3 4503229.5
n÷5 3602583.6

Exponentiation

ny
n2 324465214874724
n3 5.8445653093908E+21
n4 1.052776756637E+29
n5 1.8963581389608E+36

Nth Root

y√n
2√n 4244.1628149731
3√n 262.1368183871
4√n 65.147239503858
5√n 28.256398994602

Divisors of 18012918

1, 2, 127, 231, 254, 307, 462, 614, 29337, 38989, 58674, 70917, 77978, 141834, 9006459, 18012918

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 -18012917
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 18012918 can be divided by 16 positive divisors. The sum of these divisors (counting 18012918) is 1, the average is 0.0625.

Base conversion 18012918

Base System Value
2 Binary 1000100101101101011110110
3 Ternary 1020220011002010
4 Quaternary 1010231223312
5 Quinary 14102403133
6 Senary 1442025050
8 Octal 104555366
10 Decimal 18012918
12 Duodecimal 6048186
16 Hexadecimal 112daf6
20 Vigesimal 5cbc5i
36 Base36 aq2uu

Cryptographic Hash Functions

md5 dc5bf0f48e21f5cd008287978f9cebc9
sha1 6d705de4bc5884e94e1ff466161102708baa97d4
sha256 dff66b7fa27b5e0f33bc430c01635b7d4e7966d424c42a36b82d997cf911625a
sha512 4d5eb0f5b9b8c29ef0f68b40de34fa0d399189375a3f59683697223a3af89f7ffd98be21afc78c1e90051d3905362e042a33cdd15a7d48c39d92984e46e599a0
ripemd-160 a6192e005e5f0db5ef51896d7ca536a4fc76315b

18012918 as geometric shapes

Circle

Radius = n
Diameter 36025836
Circumference 113178501.71703
Area 1.0193375353959E+15

Sphere

Radius = n
Volume 2.448165791921E+22
Surface area 4.0773501415835E+15
Circumference 113178501.71703

Square

Length = n
Perimeter 72051672
Area 324465214874724
Diagonal 25474112.933514

Cube

Length = n
Surface area 1946791289248344
Volume 5.8445653093908E+21
Space diagonal 31199289.168572

Equilateral Triangle

Length = n
Perimeter 54038754
Area 1.4049755936294E+14
Altitude 15599644.584286

Triangular Pyramid

Length = n
Surface area 1.4049755936294E+14
Volume 6.8878862722631E+20
Height 8491370.9778381