218085909 (number)

218085909 is an odd 9-digits composite number following 218085908 and preceding 218085910. In scientific notation, it is written as 2.18085909 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 145390604 positive integers (up to 218085909) that are relatively prime to 218085909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.18085909 × 10^8
Engineering notation 2.18085909 × 10^6

Prime Factorization of 218085909

Prime Factorization 3 × 72695303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 218085909
Product of the distinct prime numbers

The prime factorization of 218085909 is 3 × 72695303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 218085909)

Multiplication

n×y
n×2 436171818
n×3 654257727
n×4 872343636
n×5 1090429545

Division

n÷y
n÷2 109042954.5
n÷3 72695303
n÷3 54521477.25
n÷5 43617181.8

Exponentiation

ny
n2 47561463704356281
n3 1.0372485045335E+25
n4 2.2620928297008E+33
n5 4.9333057100768E+41

Nth Root

y√n
2√n 14767.732019508
3√n 601.92521320528
4√n 121.52255765704
5√n 46.52919310071

Divisors of 218085909

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 -218085908
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 218085909 can be divided by 4 positive divisors. The sum of these divisors (counting 218085909) is 1, the average is 0.25.

Base conversion 218085909

Base System Value
2 Binary 1100111111111011101000010101
3 Ternary 120012100220121220
4 Quaternary 30333323220111
5 Quinary 421312222114
6 Senary 33350200553
8 Octal 1477735025
10 Decimal 218085909
12 Duodecimal 61053159
16 Hexadecimal cffba15
20 Vigesimal 3830ef9
36 Base36 3luc5x

Cryptographic Hash Functions

md5 6b939629e47bef5ce38ec042e0aaae56
sha1 ec0feed53e3c8cf56c88e1deaec021e228fb311b
sha256 e1891e6e94d7c75456e85ff72641671b4fe0972a1b68c50d2578cfec686c50bc
sha512 f4fb526b1d4b3a9c5894c3a6cdd560f6bd6428953cd15790800ed927ec1ab5d5928adf3222b1236a49d883dcb85bfd9a424af30eabdbfb93d06c6ad828e8a078
ripemd-160 dbfef7fe2154e4c7902b2963e466dd04abf9b251

218085909 as geometric shapes

Circle

Radius = n
Diameter 436171818
Circumference 1370274179.1317
Area 1.4941874496758E+17

Sphere

Radius = n
Volume 4.3448163757193E+25
Surface area 5.9767497987033E+17
Circumference 1370274179.1317

Square

Length = n
Perimeter 872343636
Area 47561463704356281
Diagonal 308420050.27026

Cube

Length = n
Surface area 285368782226137686
Volume 1.0372485045335E+25
Space diagonal 377735874.80284

Equilateral Triangle

Length = n
Perimeter 654257727
Area 2.0594717904572E+16
Altitude 188867937.40142

Triangular Pyramid

Length = n
Surface area 2.0594717904572E+16
Volume 1.2224090855521E+24
Height 102806683.42342