642018 (number)

642018 is an even 6-digits composite number following 642017 and preceding 642019. In scientific notation, it is written as 6.42018 × 10^5. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 197520 positive integers (up to 642018) that are relatively prime to 642018.

Interesting facts

Basic properties

Name

Name six hundred forty-two thousand eighteen

Notation

Scientific notation 6.42018 × 10^5
Engineering notation 6.42018 × 10^3

Prime Factorization of 642018

Prime Factorization 2 × 39 × 8231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642018
Product of the distinct prime numbers

The prime factorization of 642018 is 2 × 39 × 8231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642018)

Multiplication

n×y
n×2 1284036
n×3 1926054
n×4 2568072
n×5 3210090

Division

n÷y
n÷2 321009
n÷3 214006
n÷3 160504.5
n÷5 128403.6

Exponentiation

ny
n2 412187112324
n3 264631545480029832
n4 1.69898215566E+23
n5 1.0907771256125E+29

Nth Root

y√n
2√n 801.26025734464
3√n 86.267868593606
4√n 28.30654089331
5√n 14.504723049382

Divisors of 642018

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642018 can be divided by 8 positive divisors. The sum of these divisors (counting 642018) is 1, the average is 0.125.

Base conversion 642018

Base System Value
2 Binary 10011100101111100010
3 Ternary 1012121200110
4 Quaternary 2130233202
5 Quinary 131021033
6 Senary 21432150
8 Octal 2345742
10 Decimal 642018
12 Duodecimal 26b656
16 Hexadecimal 9cbe2
20 Vigesimal 4050i
36 Base36 drdu

Cryptographic Hash Functions

md5 3bb337a0002fc2d34df5ee628ffe3750
sha1 66ab6c3d58c5a8eab2608f5566462a37d8400815
sha256 b0fcce258d299c76a689f3b4753e73a8be532872f0e5e39ea51a2d65413660dd
sha512 9e248025c26d6458ba897a7e13c285938f0f37ddb3f4dfb8471175dcae16082264508800924676c3d2a7d119be0444d70dbd70d0a64fcdece5d0d928d17510ad
ripemd-160 6f025dec621c470228f84a76128748991720cde6

642018 as geometric shapes

Circle

Radius = n
Diameter 1284036
Circumference 4033918.0645448
Area 1294924003981.5

Sphere

Radius = n
Volume 1.1084860255842E+18
Surface area 5179696015925.9
Circumference 4033918.0645448

Square

Length = n
Perimeter 2568072
Area 412187112324
Diagonal 907950.56288765

Cube

Length = n
Surface area 2473122673944
Volume 264631545480029832
Space diagonal 1112007.7953738

Equilateral Triangle

Length = n
Perimeter 1926054
Area 178482255192.57
Altitude 556003.89768688

Triangular Pyramid

Length = n
Surface area 178482255192.57
Volume 3.1187126720801E+16
Height 302650.18762922