18398938 (number)

18398938 is an even 8-digits composite number following 18398937 and preceding 18398939. In scientific notation, it is written as 1.8398938 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 9199468 positive integers (up to 18398938) that are relatively prime to 18398938.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-eight thousand nine hundred thirty-eight

Notation

Scientific notation 1.8398938 × 10^7
Engineering notation 1.8398938 × 10^6

Prime Factorization of 18398938

Prime Factorization 2 × 9199469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18398938
Product of the distinct prime numbers

The prime factorization of 18398938 is 2 × 9199469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18398938)

Multiplication

n×y
n×2 36797876
n×3 55196814
n×4 73595752
n×5 91994690

Division

n÷y
n÷2 9199469
n÷3 6132979.3333333
n÷3 4599734.5
n÷5 3679787.6

Exponentiation

ny
n2 338520919527844
n3 6.2284254100958E+21
n4 1.1459641295798E+29
n5 2.1084522970362E+36

Nth Root

y√n
2√n 4289.3983261059
3√n 263.99614510747
4√n 65.493498349881
5√n 28.376481920315

Divisors of 18398938

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 -18398937
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 18398938 can be divided by 4 positive divisors. The sum of these divisors (counting 18398938) is 1, the average is 0.25.

Base conversion 18398938

Base System Value
2 Binary 1000110001011111011011010
3 Ternary 1021121202121011
4 Quaternary 1012023323122
5 Quinary 14202231223
6 Senary 1454204134
8 Octal 106137332
10 Decimal 18398938
12 Duodecimal 61b364a
16 Hexadecimal 118beda
20 Vigesimal 5ejh6i
36 Base36 aycpm

Cryptographic Hash Functions

md5 71b7891c6921d16009df59f9673fce62
sha1 01bc4140ba99df0f0675b55fa55eeb0fc4097f56
sha256 1632d55713c8a276258bd26a16fc74b847b93f2ace12f62d2b6d1ee74a30a001
sha512 b4ec9654a326b37a3dce57e226b13c5c348c303639bf94977d3879d553943acac83a3e5fb5c6ab66c01d0fbe47a4110fdcac1a324d4e103cdfbfb342877f6239
ripemd-160 7a98852b78b2f7bef199a5b5a29222a6e61a9518

18398938 as geometric shapes

Circle

Radius = n
Diameter 36797876
Circumference 115603936.90931
Area 1.0634948338751E+15

Sphere

Radius = n
Volume 2.6089567349052E+22
Surface area 4.2539793355005E+15
Circumference 115603936.90931

Square

Length = n
Perimeter 73595752
Area 338520919527844
Diagonal 26020027.652862

Cube

Length = n
Surface area 2031125517167064
Volume 6.2284254100958E+21
Space diagonal 31867895.42131

Equilateral Triangle

Length = n
Perimeter 55196814
Area 1.4658385801179E+14
Altitude 15933947.710655

Triangular Pyramid

Length = n
Surface area 1.4658385801179E+14
Volume 7.3402697393222E+20
Height 8673342.5509539