Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

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

639968 has 24 divisors, whose sum is 1440432
The reverse of 639968 is 869936
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 41
Digital Root 5

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

3, 6, 66, 91, 124, 463, 8981, 8243, 1719, 84645, 268893, 554714, 5741604, 6569767, 75742474, 76469206, 712829406, 664721321, 2259124754, 2437200435

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

n^y

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

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 2857, 5714, 11428, 19999, 22856, 39998, 45712, 79996, 91424, 159992, 319984, 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