642078209 (number)

642078209 is an odd 9-digits composite number following 642078208 and preceding 642078210. In scientific notation, it is written as 6.42078209 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 640850004 positive integers (up to 642078209) that are relatively prime to 642078209.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seventy-eight thousand two hundred nine

Notation

Scientific notation 6.42078209 × 10^8
Engineering notation 6.42078209 × 10^6

Prime Factorization of 642078209

Prime Factorization 523 × 1227683

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642078209
Product of the distinct prime numbers

The prime factorization of 642078209 is 523 × 1227683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642078209)

Multiplication

n×y
n×2 1284156418
n×3 1926234627
n×4 2568312836
n×5 3210391045

Division

n÷y
n÷2 321039104.5
n÷3 214026069.66667
n÷3 160519552.25
n÷5 128415641.8

Exponentiation

ny
n2 412264426472647681
n3 2.6470600458397E+26
n4 1.6996195733482E+35
n5 1.0912886916368E+44

Nth Root

y√n
2√n 25339.26220315
3√n 862.70565267604
4√n 159.18310903846
5√n 57.745425550709

Divisors of 642078209

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 -642078208
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 642078209 can be divided by 4 positive divisors. The sum of these divisors (counting 642078209) is 1, the average is 0.25.

Base conversion 642078209

Base System Value
2 Binary 100110010001010101011000000001
3 Ternary 1122202011221201102
4 Quaternary 212101111120001
5 Quinary 2303333000314
6 Senary 143413544145
8 Octal 4621253001
10 Decimal 642078209
12 Duodecimal 15b045055
16 Hexadecimal 26455601
20 Vigesimal a0cjfa9
36 Base36 am9ypt

Cryptographic Hash Functions

md5 52474ef60c9612bb5ac0147a3b366741
sha1 6a7888c3f3e4fbd58b62f7cae20e075a9a8f1c93
sha256 bd302aad6f0c3258efd9d0f977d5e4e6988b53fdfe966eef69a9026ca251bb65
sha512 e9dfa950fcc9f21d60aacae45bd3a14ce0ac678f37781456b61d4c23b849097a9ef7724045402d9128419a4360b18a93d6a66701d17ab83b380f915b97687220
ripemd-160 aff75e674c0edaf3c3cac2eab6d4eea006d206f0

642078209 as geometric shapes

Circle

Radius = n
Diameter 1284156418
Circumference 4034296368.849
Area 1.2951668935429E+18

Sphere

Radius = n
Volume 1.1087979191495E+27
Surface area 5.1806675741715E+18
Circumference 4034296368.849

Square

Length = n
Perimeter 2568312836
Area 412264426472647681
Diagonal 908035711.27203

Cube

Length = n
Surface area 2473586558835886086
Volume 2.6470600458397E+26
Space diagonal 1112112080.4208

Equilateral Triangle

Length = n
Perimeter 1926234627
Area 1.7851573320097E+17
Altitude 556056040.21041

Triangular Pyramid

Length = n
Surface area 1.7851573320097E+17
Volume 3.1195901810354E+25
Height 302678570.42401