668045809 (number)

668045809 is an odd 9-digits composite number following 668045808 and preceding 668045810. In scientific notation, it is written as 6.68045809 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 667989504 positive integers (up to 668045809) that are relatively prime to 668045809.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million forty-five thousand eight hundred nine

Notation

Scientific notation 6.68045809 × 10^8
Engineering notation 6.68045809 × 10^6

Prime Factorization of 668045809

Prime Factorization 39313 × 16993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668045809
Product of the distinct prime numbers

The prime factorization of 668045809 is 39313 × 16993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 46, 75, 857, 252, 625, 5451, 28196, 37196, 108451, 410699, 9484073, 8560656, 19738509, 3770139, 443861161, 8805928, 7457801708, 5074979753

Basic calculations (n = 668045809)

Multiplication

n×y
n×2 1336091618
n×3 2004137427
n×4 2672183236
n×5 3340229045

Division

n÷y
n÷2 334022904.5
n÷3 222681936.33333
n÷3 167011452.25
n÷5 133609161.8

Exponentiation

ny
n2 446285202922464481
n3 2.9813895943107E+26
n4 1.9917048234755E+35
n5 1.3305500600879E+44

Nth Root

y√n
2√n 25846.582153159
3√n 874.18244571845
4√n 160.76872255871
5√n 58.205128016171

Divisors of 668045809

1, 16993, 39313, 668045809

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 -668045808
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 668045809 can be divided by 4 positive divisors. The sum of these divisors (counting 668045809) is 1, the average is 0.25.

Base conversion 668045809

Base System Value
2 Binary 100111110100011001000111110001
3 Ternary 1201120001020120101
4 Quaternary 213310121013301
5 Quinary 2332004431214
6 Senary 150142312401
8 Octal 4764310761
10 Decimal 668045809
12 Duodecimal 167888701
16 Hexadecimal 27d191f1
20 Vigesimal a8f5ea9
36 Base36 b1qjg1

Cryptographic Hash Functions

md5 c88a7c302f7e9cda4920447afa81466a
sha1 040138072c5e4f22c7bdec50ef95a78c0a98b374
sha256 80195abe576d464b1dd4b34f40db7742827e08bcab567ebb38978ff2c16d0cb0
sha512 3286845bd271897dcc487bdc22c52e6ddcc989a83f794a48a8245e3088e12add42ded0bffe9f992079928e52c75dbc6ddaeb9016eab9f2cd5ced08106dbdf0c7
ripemd-160 525a86c49ec6abc7ee20e36c35a9befdeccda0c2

668045809 as geometric shapes

Circle

Radius = n
Diameter 1336091618
Circumference 4197455611.6317
Area 1.402046314907E+18

Sphere

Radius = n
Volume 1.2488415529301E+27
Surface area 5.6081852596282E+18
Circumference 4197455611.6317

Square

Length = n
Perimeter 2672183236
Area 446285202922464481
Diagonal 944759443.37431

Cube

Length = n
Surface area 2677711217534786886
Volume 2.9813895943107E+26
Space diagonal 1157089282.9715

Equilateral Triangle

Length = n
Perimeter 2004137427
Area 1.9324716153197E+17
Altitude 578544641.48573

Triangular Pyramid

Length = n
Surface area 1.9324716153197E+17
Volume 3.5136013324935E+25
Height 314919814.4581