642008081 (number)

642008081 is an odd 9-digits composite number following 642008080 and preceding 642008082. In scientific notation, it is written as 6.42008081 × 10^8. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 510390720 positive integers (up to 642008081) that are relatively prime to 642008081.

Interesting facts

Basic properties

Name

Name six hundred forty-two million eight thousand eighty-one

Notation

Scientific notation 6.42008081 × 10^8
Engineering notation 6.42008081 × 10^6

Prime Factorization of 642008081

Prime Factorization 11 × 19 × 13 × 236293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642008081
Product of the distinct prime numbers

The prime factorization of 642008081 is 11 × 19 × 13 × 236293. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 72, 39, 269, 850, 4398, 4699, 33158, 23927, 750111, 846342, 4132912, 9619677, 72957958, 57313826, 831646436, 352103023, 9381158123, 4091392422

Basic calculations (n = 642008081)

Multiplication

n×y
n×2 1284016162
n×3 1926024243
n×4 2568032324
n×5 3210040405

Division

n÷y
n÷2 321004040.5
n÷3 214002693.66667
n÷3 160502020.25
n÷5 128401616.2

Exponentiation

ny
n2 412174376069302561
n3 2.6461928021763E+26
n4 1.6988771628812E+35
n5 1.0906928671961E+44

Nth Root

y√n
2√n 25337.878383953
3√n 862.67424319772
4√n 159.17876235212
5√n 57.7441641006

Divisors of 642008081

1, 11, 13, 19, 143, 209, 247, 2717, 236293, 2599223, 3071809, 4489567, 33789899, 49385237, 58364371, 642008081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642008080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642008081 can be divided by 16 positive divisors. The sum of these divisors (counting 642008081) is 1, the average is 0.0625.

Base conversion 642008081

Base System Value
2 Binary 100110010001000100010000010001
3 Ternary 1122202001101112002
4 Quaternary 212101010100101
5 Quinary 2303323224311
6 Senary 143412243345
8 Octal 4621042021
10 Decimal 642008081
12 Duodecimal 15b010555
16 Hexadecimal 26444411
20 Vigesimal a0cb041
36 Base36 am8glt

Cryptographic Hash Functions

md5 dd1ed44e2495054438b65254efd38652
sha1 048671d5b9d15609ce18b037cfc085d4e3ebe331
sha256 d7eaf9b7f0bbe0c771903489871475c4aa2e82ffe75b01be6ad9625fbb7fd715
sha512 3d6ef72bc4d36b2bf5c4fd6beb62a0792a2673594e84d6568ccba756016df9480e93f5fe5ad2aceb840067aa8c539a1ff51cfa9bd10f16ced79701d39832516b
ripemd-160 0e118f661f4ed4abe78f96f0da9492f7ae6a86e5

642008081 as geometric shapes

Circle

Radius = n
Diameter 1284016162
Circumference 4033855741.6298
Area 1.2948839918573E+18

Sphere

Radius = n
Volume 1.1084346489732E+27
Surface area 5.1795359674291E+18
Circumference 4033855741.6298

Square

Length = n
Perimeter 2568032324
Area 412174376069302561
Diagonal 907936535.30332

Cube

Length = n
Surface area 2473046256415815366
Volume 2.6461928021763E+26
Space diagonal 1111990615.1618

Equilateral Triangle

Length = n
Perimeter 1926024243
Area 1.7847674023251E+17
Altitude 555995307.5809

Triangular Pyramid

Length = n
Surface area 1.7847674023251E+17
Volume 3.1185681245764E+25
Height 302645511.76777