638345 (number)

638345 is an odd 6-digits composite number following 638344 and preceding 638346. In scientific notation, it is written as 6.38345 × 10^5. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 510672 positive integers (up to 638345) that are relatively prime to 638345.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight thousand three hundred forty-five

Notation

Scientific notation 6.38345 × 10^5
Engineering notation 6.38345 × 10^3

Prime Factorization of 638345

Prime Factorization 5 × 127669

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638345
Product of the distinct prime numbers

The prime factorization of 638345 is 5 × 127669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638345)

Multiplication

n×y
n×2 1276690
n×3 1915035
n×4 2553380
n×5 3191725

Division

n÷y
n÷2 319172.5
n÷3 212781.66666667
n÷3 159586.25
n÷5 127669

Exponentiation

ny
n2 407484339025
n3 260115590394913625
n4 1.6604348655064E+23
n5 1.0599302942217E+29

Nth Root

y√n
2√n 798.96495542671
3√n 86.103040365883
4√n 28.265968149467
5√n 14.488088567207

Divisors of 638345

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 -638344
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 638345 can be divided by 4 positive divisors. The sum of these divisors (counting 638345) is 1, the average is 0.25.

Base conversion 638345

Base System Value
2 Binary 10011011110110001001
3 Ternary 1012102122102
4 Quaternary 2123312021
5 Quinary 130411340
6 Senary 21403145
8 Octal 2336611
10 Decimal 638345
12 Duodecimal 2694b5
16 Hexadecimal 9bd89
20 Vigesimal 3jfh5
36 Base36 dojt

Cryptographic Hash Functions

md5 69333ac94dd018f373a69b9ed70986f6
sha1 a17d9ec9668cccee1e0e568f0f44201b98b7eacb
sha256 e7a2dd90154f63d3434f6ee23bad5f2e52915dc58a6787d143be5b4431e89f49
sha512 caa1d99394a82782c00c6921000ffcf26ae490542ca7a1f5241cfc09241c503baebe0236c119c9289cd82c086aeb74cecc6d9e57e0caa93b96662726eae5f87b
ripemd-160 0dda1483566e39f6adec411d5289ac135b9b5046

638345 as geometric shapes

Circle

Radius = n
Diameter 1276690
Circumference 4010839.9249116
Area 1280149805933.8

Sphere

Radius = n
Volume 1.0895696371584E+18
Surface area 5120599223735.3
Circumference 4010839.9249116

Square

Length = n
Perimeter 2553380
Area 407484339025
Diagonal 902756.15647305

Cube

Length = n
Surface area 2444906034150
Volume 260115590394913625
Space diagonal 1105645.9727576

Equilateral Triangle

Length = n
Perimeter 1915035
Area 176445894619.98
Altitude 552822.98637878

Triangular Pyramid

Length = n
Surface area 176445894619.98
Volume 3.0654916310098E+16
Height 300918.71882435