18389902 (number)

18389902 is an even 8-digits composite number following 18389901 and preceding 18389903. In scientific notation, it is written as 1.8389902 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 9194950 positive integers (up to 18389902) that are relatively prime to 18389902.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand nine hundred two

Notation

Scientific notation 1.8389902 × 10^7
Engineering notation 1.8389902 × 10^6

Prime Factorization of 18389902

Prime Factorization 2 × 9194951

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18389902
Product of the distinct prime numbers

The prime factorization of 18389902 is 2 × 9194951. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389902)

Multiplication

n×y
n×2 36779804
n×3 55169706
n×4 73559608
n×5 91949510

Division

n÷y
n÷2 9194951
n÷3 6129967.3333333
n÷3 4597475.5
n÷5 3677980.4

Exponentiation

ny
n2 338188495569604
n3 6.2192532910525E+21
n4 1.1437145853563E+29
n5 2.1032799140673E+36

Nth Root

y√n
2√n 4288.3449021738
3√n 263.95292051506
4√n 65.485455653708
5√n 28.373694147714

Divisors of 18389902

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 -18389901
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 18389902 can be divided by 4 positive divisors. The sum of these divisors (counting 18389902) is 1, the average is 0.25.

Base conversion 18389902

Base System Value
2 Binary 1000110001001101110001110
3 Ternary 1021121022012111
4 Quaternary 1012021232032
5 Quinary 14201434102
6 Senary 1454054234
8 Octal 106115616
10 Decimal 18389902
12 Duodecimal 61aa37a
16 Hexadecimal 1189b8e
20 Vigesimal 5eief2
36 Base36 ay5qm

Cryptographic Hash Functions

md5 67522d805e233516ae85e4518a6bd9a2
sha1 ef41fb5a11883cad98197e5f1a78aa359f5614f5
sha256 909310d30827f1725279a79a749fea563d4b7d68b1a9ab96cc3d70f805b9622f
sha512 9ba114bb8cd3be4805a45c38f21f7214704bb625e138551c4fd565bfafa06b73224ad0ba2ea6cd966c90683df3bb1d45ae39886b4a7dfba069860e9cc142a245
ripemd-160 48df0b001fccc5f8fe4a42c4ef6c31fc53df6fe8

18389902 as geometric shapes

Circle

Radius = n
Diameter 36779804
Circumference 115547162.04687
Area 1.0624504932101E+15

Sphere

Radius = n
Volume 2.6051147266646E+22
Surface area 4.2498019728402E+15
Circumference 115547162.04687

Square

Length = n
Perimeter 73559608
Area 338188495569604
Diagonal 26007248.819112

Cube

Length = n
Surface area 2029130973417624
Volume 6.2192532910525E+21
Space diagonal 31852244.610213

Equilateral Triangle

Length = n
Perimeter 55169706
Area 1.4643991421546E+14
Altitude 15926122.305106

Triangular Pyramid

Length = n
Surface area 1.4643991421546E+14
Volume 7.3294602933666E+20
Height 8669082.939704