639968 (number)

639968 is an even 6-digits composite number following 639967 and preceding 639969. In scientific notation, it is written as 6.39968 × 10^5. The sum of its digits is 41. It has a total of 7 prime factors and 24 positive divisors. There are 274176 positive integers (up to 639968) that are relatively prime to 639968.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 6.39968 × 10^5
Engineering notation 6.39968 × 10^3

Prime Factorization of 639968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 2857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 39998
Product of the distinct prime numbers

The prime factorization of 639968 is 2 × 2 × 2 × 2 × 2 × 7 × 2857. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639968)

Multiplication

n×y
n×2 1279936
n×3 1919904
n×4 2559872
n×5 3199840

Division

n÷y
n÷2 319984
n÷3 213322.66666667
n÷3 159992
n÷5 127993.6

Exponentiation

ny
n2 409559041024
n3 262104680366047232
n4 1.677386080845E+23
n5 1.0734734153862E+29

Nth Root

y√n
2√n 799.97999974999
3√n 86.175951287543
4√n 28.283917687442
5√n 14.495448314722

Divisors of 639968

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639968 can be divided by 24 positive divisors. The sum of these divisors (counting 639968) is 1, the average is 0.041666666666667.

Base conversion 639968

Base System Value
2 Binary 10011100001111100000
3 Ternary 1012111212112
4 Quaternary 2130033200
5 Quinary 130434333
6 Senary 21414452
8 Octal 2341740
10 Decimal 639968
12 Duodecimal 26a428
16 Hexadecimal 9c3e0
20 Vigesimal 3jji8
36 Base36 dpsw

Cryptographic Hash Functions

md5 3e5e89dd5ff9acab7f4d28328521da19
sha1 b1e82a55578d9725cb64c7ecd9a29e927935c11b
sha256 d21e8962d67f0fb8e5aedf5055b92a231641fa7cc5cc57fc2ec7ae145be86d45
sha512 26cb96a4396ffa79a99aaf74c8a078269aa96d6207b09a820402d5680517019d683c82bbf1bb84bdc1a11f04d1851852a0c435fb18141290f41763dc3fd311f5
ripemd-160 eec9957105452aa0bcd738e4a45e98317828329a

639968 as geometric shapes

Circle

Radius = n
Diameter 1279936
Circumference 4021037.5346651
Area 1286667674492.3

Sphere

Radius = n
Volume 1.097901517746E+18
Surface area 5146670697969.1
Circumference 4021037.5346651

Square

Length = n
Perimeter 2559872
Area 409559041024
Diagonal 905051.42508478

Cube

Length = n
Surface area 2457354246144
Volume 262104680366047232
Space diagonal 1108457.0912182

Equilateral Triangle

Length = n
Perimeter 1919904
Area 177344266938.19
Altitude 554228.54560912

Triangular Pyramid

Length = n
Surface area 177344266938.19
Volume 3.0889332811261E+16
Height 301683.80836159