642765 (number)

642765 is an odd 6-digits composite number following 642764 and preceding 642766. In scientific notation, it is written as 6.42765 × 10^5. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 337536 positive integers (up to 642765) that are relatively prime to 642765.

Interesting facts

Basic properties

Name

Name six hundred forty-two thousand seven hundred sixty-five

Notation

Scientific notation 6.42765 × 10^5
Engineering notation 6.42765 × 10^3

Prime Factorization of 642765

Prime Factorization 3 × 5 × 73 × 587

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642765
Product of the distinct prime numbers

The prime factorization of 642765 is 3 × 5 × 73 × 587. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 65, 67, 510, 161, 1067, 6842, 21456, 83313, 86183, 299847, 5504934, 4387133, 92540880, 52607862, 456637641, 184579228, 4227032811, 9714146058

Basic calculations (n = 642765)

Multiplication

n×y
n×2 1285530
n×3 1928295
n×4 2571060
n×5 3213825

Division

n÷y
n÷2 321382.5
n÷3 214255
n÷3 160691.25
n÷5 128553

Exponentiation

ny
n2 413146845225
n3 265556331971047125
n4 1.7069031571937E+23
n5 1.0971376078336E+29

Nth Root

y√n
2√n 801.72626251109
3√n 86.301313720683
4√n 28.31477110116
5√n 14.508096783119

Divisors of 642765

1, 3, 5, 15, 73, 219, 365, 587, 1095, 1761, 2935, 8805, 42851, 128553, 214255, 642765

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642764
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642765 can be divided by 16 positive divisors. The sum of these divisors (counting 642765) is 1, the average is 0.0625.

Base conversion 642765

Base System Value
2 Binary 10011100111011001101
3 Ternary 1012122201010
4 Quaternary 2130323031
5 Quinary 131032030
6 Senary 21435433
8 Octal 2347315
10 Decimal 642765
12 Duodecimal 26bb79
16 Hexadecimal 9cecd
20 Vigesimal 406i5
36 Base36 dryl

Cryptographic Hash Functions

md5 666143028981b3e94691348e35bb7b01
sha1 45e9b4e26d6ca5e3a458778c0faf6315d627620e
sha256 56c7762f39222c15a8f5e9182e92c2a6d78bd6674d315f8da22bd0a5a567f238
sha512 33b5571549567ff41aeb887bb5b895b1bcfcd3c4f54927e6cf4c6ce6dba82b529f7bb27691af4e94bc0ab324c744658ba61dc48b1e5eee6e8888ada6741377ee
ripemd-160 6cdac01c51584eade78158e2ed5b314d7b7ec56b

642765 as geometric shapes

Circle

Radius = n
Diameter 1285530
Circumference 4038611.6039693
Area 1297939093812.7

Sphere

Radius = n
Volume 1.1123597621793E+18
Surface area 5191756375250.6
Circumference 4038611.6039693

Square

Length = n
Perimeter 2571060
Area 413146845225
Diagonal 909006.98041874

Cube

Length = n
Surface area 2478881071350
Volume 265556331971047125
Space diagonal 1113301.637327

Equilateral Triangle

Length = n
Perimeter 1928295
Area 178897831729.12
Altitude 556650.8186635

Triangular Pyramid

Length = n
Surface area 178897831729.12
Volume 3.1296113853959E+16
Height 303002.32680625