642005 (number)

642005 is an odd 6-digits composite number following 642004 and preceding 642006. In scientific notation, it is written as 6.42005 × 10^5. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 377856 positive integers (up to 642005) that are relatively prime to 642005.

Interesting facts

Basic properties

Name

Name six hundred forty-two thousand five

Notation

Scientific notation 6.42005 × 10^5
Engineering notation 6.42005 × 10^3

Prime Factorization of 642005

Prime Factorization 455 × 83 × 17

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642005
Product of the distinct prime numbers

The prime factorization of 642005 is 455 × 83 × 17. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642005)

Multiplication

n×y
n×2 1284010
n×3 1926015
n×4 2568020
n×5 3210025

Division

n÷y
n÷2 321002.5
n÷3 214001.66666667
n÷3 160501.25
n÷5 128401

Exponentiation

ny
n2 412170420025
n3 264615470508150125
n4 1.6988445514358E+23
n5 1.0906666962446E+29

Nth Root

y√n
2√n 801.25214508293
3√n 86.267286320284
4√n 28.306397599888
5√n 14.504664308685

Divisors of 642005

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 -642004
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 642005 can be divided by 8 positive divisors. The sum of these divisors (counting 642005) is 1, the average is 0.125.

Base conversion 642005

Base System Value
2 Binary 10011100101111010101
3 Ternary 1012121122222
4 Quaternary 2130233111
5 Quinary 131021010
6 Senary 21432125
8 Octal 2345725
10 Decimal 642005
12 Duodecimal 26b645
16 Hexadecimal 9cbd5
20 Vigesimal 40505
36 Base36 drdh

Cryptographic Hash Functions

md5 17684c69e8ef4428dc99cbc90c03bf41
sha1 898e82acfe5943aa989769d2d190f8acd849fb3e
sha256 f73fec1ed7f623541f9e3b0f390acb3f3f881a3ab979342d71f05ba3f948aecb
sha512 adfdb84387d082b6aa1b85c009b3f2141454113dbb6ce5816222a80dab86e10d0cfe6e08ff94e046283aa4ed8c2df83f2b76f007232517c2878d76568ce7eeb8
ripemd-160 43f87f7d07dacb40b4537c7997c154196ede6908

642005 as geometric shapes

Circle

Radius = n
Diameter 1284010
Circumference 4033836.3831358
Area 1294871563577.6

Sphere

Radius = n
Volume 1.1084186908995E+18
Surface area 5179486254310.2
Circumference 4033836.3831358

Square

Length = n
Perimeter 2568020
Area 412170420025
Diagonal 907932.17811134

Cube

Length = n
Surface area 2473022520150
Volume 264615470508150125
Space diagonal 1111985.2787133

Equilateral Triangle

Length = n
Perimeter 1926015
Area 178475027215.08
Altitude 555992.63935663

Triangular Pyramid

Length = n
Surface area 178475027215.08
Volume 3.1185232267197E+16
Height 302644.05937045