18449939 (number)

18449939 is an odd 8-digits composite number following 18449938 and preceding 18449940. In scientific notation, it is written as 1.8449939 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 17951256 positive integers (up to 18449939) that are relatively prime to 18449939.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-nine thousand nine hundred thirty-nine

Notation

Scientific notation 1.8449939 × 10^7
Engineering notation 1.8449939 × 10^6

Prime Factorization of 18449939

Prime Factorization 37 × 498647

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18449939
Product of the distinct prime numbers

The prime factorization of 18449939 is 37 × 498647. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18449939)

Multiplication

n×y
n×2 36899878
n×3 55349817
n×4 73799756
n×5 92249695

Division

n÷y
n÷2 9224969.5
n÷3 6149979.6666667
n÷3 4612484.75
n÷5 3689987.8

Exponentiation

ny
n2 340400249103721
n3 6.2803638315485E+21
n4 1.1587232958988E+29
n5 2.1378374127211E+36

Nth Root

y√n
2√n 4295.339218269
3√n 264.23984841125
4√n 65.538837480299
5√n 28.392196163795

Divisors of 18449939

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 -18449938
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 18449939 can be divided by 4 positive divisors. The sum of these divisors (counting 18449939) is 1, the average is 0.25.

Base conversion 18449939

Base System Value
2 Binary 1000110011000011000010011
3 Ternary 1021201100120002
4 Quaternary 1012120120103
5 Quinary 14210344224
6 Senary 1455240215
8 Octal 106303023
10 Decimal 18449939
12 Duodecimal 621906b
16 Hexadecimal 1198613
20 Vigesimal 5f64gj
36 Base36 azg2b

Cryptographic Hash Functions

md5 2eb73b0534c5e53697797d1b28937033
sha1 a4a93bb9aa8997c7aeb8eccd308d76b250337bfe
sha256 4a7fcc913fa5d2cbdb8da94a4f9f4465162b6da79691fdab5fe906b770bed575
sha512 dd70e697cf927a4b7134aff606ba81da3bc73b222eda8d3092918b4fe73ae4f6c40fa73c536f2724a3d24fb9da2b38c8ab83a1ec29c9fcf7352052696cf9bddf
ripemd-160 7eb2d125f485c2f2df4a8ba6ba079c294e549571

18449939 as geometric shapes

Circle

Radius = n
Diameter 36899878
Circumference 115924385.64316
Area 1.0693989218644E+15

Sphere

Radius = n
Volume 2.6307126500085E+22
Surface area 4.2775956874575E+15
Circumference 115924385.64316

Square

Length = n
Perimeter 73799756
Area 340400249103721
Diagonal 26092153.958756

Cube

Length = n
Surface area 2042401494622326
Volume 6.2803638315485E+21
Space diagonal 31956231.744547

Equilateral Triangle

Length = n
Perimeter 55349817
Area 1.4739763158919E+14
Altitude 15978115.872273

Triangular Pyramid

Length = n
Surface area 1.4739763158919E+14
Volume 7.4014797560111E+20
Height 8697384.6529188