640664694 (number)

640664694 is an even 9-digits composite number following 640664693 and preceding 640664695. In scientific notation, it is written as 6.40664694 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 64 positive divisors. There are 200600064 positive integers (up to 640664694) that are relatively prime to 640664694.

Interesting facts

Basic properties

Name

Name six hundred forty million six hundred sixty-four thousand six hundred ninety-four

Notation

Scientific notation 6.40664694 × 10^8
Engineering notation 6.40664694 × 10^6

Prime Factorization of 640664694

Prime Factorization 2 × 3 × 9 × 29 × 37 × 11057

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 640664694
Product of the distinct prime numbers

The prime factorization of 640664694 is 2 × 3 × 9 × 29 × 37 × 11057. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 640664694)

Multiplication

n×y
n×2 1281329388
n×3 1921994082
n×4 2562658776
n×5 3203323470

Division

n÷y
n÷2 320332347
n÷3 213554898
n÷3 160166173.5
n÷5 128132938.8

Exponentiation

ny
n2 410451250138113636
n3 2.6296162457165E+26
n4 1.6847022873994E+35
n5 1.0793292754378E+44

Nth Root

y√n
2√n 25311.355040772
3√n 862.07211441546
4√n 159.09542746657
5√n 57.719978184257

Divisors of 640664694

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640664693
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640664694 can be divided by 64 positive divisors. The sum of these divisors (counting 640664694) is 1, the average is 0.015625.

Base conversion 640664694

Base System Value
2 Binary 100110001011111100010001110110
3 Ternary 1122122112010202000
4 Quaternary 212023330101312
5 Quinary 2303002232234
6 Senary 143323400130
8 Octal 4613742166
10 Decimal 640664694
12 Duodecimal 15a683046
16 Hexadecimal 262fc476
20 Vigesimal a0431ee
36 Base36 alfo1i

Cryptographic Hash Functions

md5 18cba3d8815060f583e558ececb374df
sha1 c9163f42b0399a6b65408b0568dfe50a74844222
sha256 898d6f3b822c5d23e70d5f31a6acf434112f8b5894bdd3f327cb5083cf19c830
sha512 f921e0a8ab0bb03ae4a8a2ad7df3f6b766a397ae1be2009d18ae9fa4674e64c5d15f80c4ee7b079bc6c40062457ed0f0f06438edbe8f353709cb53dd8d00e464
ripemd-160 75767ea26e26ea8e693a0e703da803fdc3ac0f35

640664694 as geometric shapes

Circle

Radius = n
Diameter 1281329388
Circumference 4025414992.1695
Area 1.2894706320906E+18

Sphere

Radius = n
Volume 1.1014910772405E+27
Surface area 5.1578825283626E+18
Circumference 4025414992.1695

Square

Length = n
Perimeter 2562658776
Area 410451250138113636
Diagonal 906036699.18841

Cube

Length = n
Surface area 2462707500828681816
Volume 2.6296162457165E+26
Space diagonal 1109663800.6236

Equilateral Triangle

Length = n
Perimeter 1921994082
Area 1.7773060481734E+17
Altitude 554831900.31178

Triangular Pyramid

Length = n
Surface area 1.7773060481734E+17
Volume 3.0990324654408E+25
Height 302012233.0628