642765345 (number)

642765345 is an odd 9-digits composite number following 642765344 and preceding 642765346. In scientific notation, it is written as 6.42765345 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 323794944 positive integers (up to 642765345) that are relatively prime to 642765345.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42765345 × 10^8
Engineering notation 6.42765345 × 10^6

Prime Factorization of 642765345

Prime Factorization 15 × 19 × 353 × 6389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642765345
Product of the distinct prime numbers

The prime factorization of 642765345 is 15 × 19 × 353 × 6389. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642765345)

Multiplication

n×y
n×2 1285530690
n×3 1928296035
n×4 2571061380
n×5 3213826725

Division

n÷y
n÷2 321382672.5
n÷3 214255115
n÷3 160691336.25
n÷5 128553069

Exponentiation

ny
n2 413147288732969025
n3 2.6555675957826E+26
n4 1.706906821874E+35
n5 1.0971405522447E+44

Nth Root

y√n
2√n 25352.81729907
3√n 863.01329161239
4√n 159.22568040071
5√n 57.757779804662

Divisors of 642765345

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 -642765344
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 642765345 can be divided by 16 positive divisors. The sum of these divisors (counting 642765345) is 1, the average is 0.0625.

Base conversion 642765345

Base System Value
2 Binary 100110010011111101001000100001
3 Ternary 1122210110212021220
4 Quaternary 212103331020201
5 Quinary 2304021442340
6 Senary 143440405253
8 Octal 4623751041
10 Decimal 642765345
12 Duodecimal 15b316829
16 Hexadecimal 264fd221
20 Vigesimal a0h5d75
36 Base36 amoowx

Cryptographic Hash Functions

md5 c2d0704372246ebd6ee22633e9e807d5
sha1 c3ecfaecf07050cc941a5dc30d781873673d80c1
sha256 e7ae87d056f6c00a2f106224c0903223957c2839150c9ae73176602569e9d8aa
sha512 3e528dea5e237ad9e1848e5e44a28e5136b077cb50f9915102f830806d7fe4ee26e5c1184e14a26ad47fd92e1468a289846d7992ef49f9b87f8547e37b5dad58
ripemd-160 442467f3e04a2f1aa194afede5f1135287638ca7

642765345 as geometric shapes

Circle

Radius = n
Diameter 1285530690
Circumference 4038613771.6682
Area 1.297940487134E+18

Sphere

Radius = n
Volume 1.1123615533362E+27
Surface area 5.1917619485361E+18
Circumference 4038613771.6682

Square

Length = n
Perimeter 2571061380
Area 413147288732969025
Diagonal 909007468.32242

Cube

Length = n
Surface area 2478883732397814150
Volume 2.6555675957826E+26
Space diagonal 1113302234.8845

Equilateral Triangle

Length = n
Perimeter 1928296035
Area 1.7889802377371E+17
Altitude 556651117.44227

Triangular Pyramid

Length = n
Surface area 1.7889802377371E+17
Volume 3.1296164247952E+25
Height 303002489.44081