668809738 (number)

668809738 is an even 9-digits composite number following 668809737 and preceding 668809739. In scientific notation, it is written as 6.68809738 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 334404868 positive integers (up to 668809738) that are relatively prime to 668809738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68809738 × 10^8
Engineering notation 6.68809738 × 10^6

Prime Factorization of 668809738

Prime Factorization 2 × 334404869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668809738
Product of the distinct prime numbers

The prime factorization of 668809738 is 2 × 334404869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668809738)

Multiplication

n×y
n×2 1337619476
n×3 2006429214
n×4 2675238952
n×5 3344048690

Division

n÷y
n÷2 334404869
n÷3 222936579.33333
n÷3 167202434.5
n÷5 133761947.6

Exponentiation

ny
n2 447306465643628644
n3 2.9916292009282E+26
n4 2.0008307420659E+35
n5 1.3381750843835E+44

Nth Root

y√n
2√n 25861.356074266
3√n 874.51553611425
4√n 160.81466374142
5√n 58.218433768557

Divisors of 668809738

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668809737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668809738 can be divided by 4 positive divisors. The sum of these divisors (counting 668809738) is 1, the average is 0.25.

Base conversion 668809738

Base System Value
2 Binary 100111110111010011101000001010
3 Ternary 1201121111001111001
4 Quaternary 213313103220022
5 Quinary 2332203402423
6 Senary 150210525214
8 Octal 4767235012
10 Decimal 668809738
12 Duodecimal 167b9680a
16 Hexadecimal 27dd3a0a
20 Vigesimal a90146i
36 Base36 b26wwa

Cryptographic Hash Functions

md5 c3d52c7426da21f93d537ac20c469f6f
sha1 1e86ef6021bb58c08beec4923181d12f80ab0aa3
sha256 5cc3d89cc76392909b1d13e7d35a1a4741564a962371f63aa5688f1bb9e93e30
sha512 91e68496039c010a8be09b41d16c843cc0f413d47a06548e605a1cb73b935592f2c2d19b9da12ef83677b3a2b3554e0f8de2d7d6f52dd289707426dd2fc85f0a
ripemd-160 64501516bf8f01ae60a4c5377e14e4f16c2df7a0

668809738 as geometric shapes

Circle

Radius = n
Diameter 1337619476
Circumference 4202255519.1002
Area 1.4052547063692E+18

Sphere

Radius = n
Volume 1.2531307093201E+27
Surface area 5.621018825477E+18
Circumference 4202255519.1002

Square

Length = n
Perimeter 2675238952
Area 447306465643628644
Diagonal 945839802.1268

Cube

Length = n
Surface area 2683838793861771864
Volume 2.9916292009282E+26
Space diagonal 1158412446.8128

Equilateral Triangle

Length = n
Perimeter 2006429214
Area 1.9368938126221E+17
Altitude 579206223.40641

Triangular Pyramid

Length = n
Surface area 1.9368938126221E+17
Volume 3.5256688246201E+25
Height 315279934.04227