18219998 (number)

18219998 is an even 8-digits composite number following 18219997 and preceding 18219999. In scientific notation, it is written as 1.8219998 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 9109998 positive integers (up to 18219998) that are relatively prime to 18219998.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8219998 × 10^7
Engineering notation 1.8219998 × 10^6

Prime Factorization of 18219998

Prime Factorization 2 × 9109999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18219998
Product of the distinct prime numbers

The prime factorization of 18219998 is 2 × 9109999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18219998)

Multiplication

n×y
n×2 36439996
n×3 54659994
n×4 72879992
n×5 91099990

Division

n÷y
n÷2 9109999
n÷3 6073332.6666667
n÷3 4554999.5
n÷5 3643999.6

Exponentiation

ny
n2 331968327120004
n3 6.0484622561898E+21
n4 1.1020297021085E+29
n5 2.0078978968358E+36

Nth Root

y√n
2√n 4268.4889598077
3√n 263.13751862023
4√n 65.333674011245
5√n 28.321070493004

Divisors of 18219998

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 -18219997
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 18219998 can be divided by 4 positive divisors. The sum of these divisors (counting 18219998) is 1, the average is 0.25.

Base conversion 18219998

Base System Value
2 Binary 1000101100000001111011110
3 Ternary 1021021200010202
4 Quaternary 1011200033132
5 Quinary 14131014443
6 Senary 1450303502
8 Octal 105401736
10 Decimal 18219998
12 Duodecimal 6127b92
16 Hexadecimal 11603de
20 Vigesimal 5dh9ji
36 Base36 auin2

Cryptographic Hash Functions

md5 2613ee7deda349a8861f4361e05fb0ed
sha1 3b84cb38d3a5449c8a4b2e72c2a452b856d09465
sha256 eb2a91d588434a3483271befe5cd08a3acf433871f89e865ef3098ebb768fcb4
sha512 7ff74d1784441e8cb917d3bd85ad189b326302813a66c9369bbcaa55d14cee1b36cbf07705dd38ed6466093129cc5c7801a24787bf40f64b39187d305add48b2
ripemd-160 34f8c8cd17bae487abca3da394da52544490a208

18219998 as geometric shapes

Circle

Radius = n
Diameter 36439996
Circumference 114479623.73044
Area 1.0429092577047E+15

Sphere

Radius = n
Volume 2.5335739452748E+22
Surface area 4.1716370308188E+15
Circumference 114479623.73044

Square

Length = n
Perimeter 72879992
Area 331968327120004
Diagonal 25766968.278011

Cube

Length = n
Surface area 1991809962720024
Volume 6.0484622561898E+21
Space diagonal 31557962.249803

Equilateral Triangle

Length = n
Perimeter 54659994
Area 1.4374650226887E+14
Altitude 15778981.124902

Triangular Pyramid

Length = n
Surface area 1.4374650226887E+14
Volume 7.1281811285045E+20
Height 8588989.4260036