640960 (number)

640960 is an even 6-digits composite number following 640959 and preceding 640961. In scientific notation, it is written as 6.40960 × 10^5. The sum of its digits is 25. It has a total of 8 prime factors and 28 positive divisors. There are 256256 positive integers (up to 640960) that are relatively prime to 640960.

Interesting facts

Basic properties

Name

Name six hundred forty thousand nine hundred sixty

Notation

Scientific notation 6.40960 × 10^5
Engineering notation 6.40960 × 10^3

Prime Factorization of 640960

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 2003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 20030
Product of the distinct prime numbers

The prime factorization of 640960 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 2003. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 3, 30, 62, 964, 528, 4640, 1218, 26236, 52880, 152713, 736532, 1181768, 5002710, 57963690, 94660225, 788431699, 530145789, 2211975151, 9646016769

Basic calculations (n = 640960)

Multiplication

n×y
n×2 1281920
n×3 1922880
n×4 2563840
n×5 3204800

Division

n÷y
n÷2 320480
n÷3 213653.33333333
n÷3 160240
n÷5 128192

Exponentiation

ny
n2 410829721600
n3 263325418356736000
n4 1.6878106014993E+23
n5 1.081819083137E+29

Nth Root

y√n
2√n 800.59977516859
3√n 86.220454768665
4√n 28.294871888181
5√n 14.499939344675

Divisors of 640960

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2003, 4006, 8012, 10015, 16024, 20030, 32048, 40060, 64096, 80120, 128192, 160240, 320480, 640960

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640959
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640960 can be divided by 28 positive divisors. The sum of these divisors (counting 640960) is 1, the average is 0.035714285714286.

Base conversion 640960

Base System Value
2 Binary 10011100011111000000
3 Ternary 1012120020021
4 Quaternary 2130133000
5 Quinary 131002320
6 Senary 21423224
8 Octal 2343700
10 Decimal 640960
12 Duodecimal 26ab14
16 Hexadecimal 9c7c0
20 Vigesimal 40280
36 Base36 dqkg

Cryptographic Hash Functions

md5 e55a54488a5d2277a130ba0fbe31e6f0
sha1 b73e48159d442e32372a61a7eb60c0be5b7183c3
sha256 50cbc0488a4a3778aaa1627e59945c84d5a8a2daa5c2b5d5b0c000707de4e1c6
sha512 468ec66a7064c044000111f557af14648cecc10b0b40d276697f091e0de9ef1b8b0bee467d3288960f00fc85e7b545815b370139bf56d29745f5a9d689953423
ripemd-160 ec10422ad65ef36edafc7e2dc407b1059176edb5

640960 as geometric shapes

Circle

Radius = n
Diameter 1281920
Circumference 4027270.4544898
Area 1290659635254.9

Sphere

Radius = n
Volume 1.103014933084E+18
Surface area 5162638541019.6
Circumference 4027270.4544898

Square

Length = n
Perimeter 2563840
Area 410829721600
Diagonal 906454.32493866

Cube

Length = n
Surface area 2464978329600
Volume 263325418356736000
Space diagonal 1110175.2856193

Equilateral Triangle

Length = n
Perimeter 1922880
Area 177894487767.64
Altitude 555087.64280967

Triangular Pyramid

Length = n
Surface area 177894487767.64
Volume 3.1033198163139E+16
Height 302151.44164622