18219997 (number)

18219997 is an odd 8-digits composite number following 18219996 and preceding 18219998. In scientific notation, it is written as 1.8219997 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 17970336 positive integers (up to 18219997) that are relatively prime to 18219997.

Interesting facts

Basic properties

Name

Name eighteen million two hundred nineteen thousand nine hundred ninety-seven

Notation

Scientific notation 1.8219997 × 10^7
Engineering notation 1.8219997 × 10^6

Prime Factorization of 18219997

Prime Factorization 73 × 249589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18219997
Product of the distinct prime numbers

The prime factorization of 18219997 is 73 × 249589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18219997)

Multiplication

n×y
n×2 36439994
n×3 54659991
n×4 72879988
n×5 91099985

Division

n÷y
n÷2 9109998.5
n÷3 6073332.3333333
n÷3 4554999.25
n÷5 3643999.4

Exponentiation

ny
n2 331968290680009
n3 6.0484612602849E+21
n4 1.1020294601701E+29
n5 2.007897345821E+36

Nth Root

y√n
2√n 4268.4888426702
3√n 263.13751380615
4√n 65.33367311479
5√n 28.321070182125

Divisors of 18219997

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 -18219996
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 18219997 can be divided by 4 positive divisors. The sum of these divisors (counting 18219997) is 1, the average is 0.25.

Base conversion 18219997

Base System Value
2 Binary 1000101100000001111011101
3 Ternary 1021021200010201
4 Quaternary 1011200033131
5 Quinary 14131014442
6 Senary 1450303501
8 Octal 105401735
10 Decimal 18219997
12 Duodecimal 6127b91
16 Hexadecimal 11603dd
20 Vigesimal 5dh9jh
36 Base36 auin1

Cryptographic Hash Functions

md5 f999e1c25a90224dffb156b6265574ee
sha1 835c04ca80c185d487f3b4cd2c5639bd24b9ee0f
sha256 1364d3da4d145375952e91deebf10073c770622e80552cadc383f295d28fc458
sha512 7425c9948b6ca58e2252112390ac11f896395d2e26160accf026135cacd44ef993981512787877ad50539dffbb513a613b62c909ddd802fc988b386dc2b8659b
ripemd-160 9a964cdebc4471fe54a906c9366e9940268ace2b

18219997 as geometric shapes

Circle

Radius = n
Diameter 36439994
Circumference 114479617.44726
Area 1.0429091432251E+15

Sphere

Radius = n
Volume 2.5335735281111E+22
Surface area 4.1716365729003E+15
Circumference 114479617.44726

Square

Length = n
Perimeter 72879988
Area 331968290680009
Diagonal 25766966.863797

Cube

Length = n
Surface area 1991809744080054
Volume 6.0484612602849E+21
Space diagonal 31557960.517753

Equilateral Triangle

Length = n
Perimeter 54659991
Area 1.4374648648989E+14
Altitude 15778980.258876

Triangular Pyramid

Length = n
Surface area 1.4374648648989E+14
Volume 7.1281799548193E+20
Height 8588988.954599