638542 (number)

638542 is an even 6-digits composite number following 638541 and preceding 638543. In scientific notation, it is written as 6.38542 × 10^5. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 312432 positive integers (up to 638542) that are relatively prime to 638542.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38542 × 10^5
Engineering notation 6.38542 × 10^3

Prime Factorization of 638542

Prime Factorization 2 × 47 × 6793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638542
Product of the distinct prime numbers

The prime factorization of 638542 is 2 × 47 × 6793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638542)

Multiplication

n×y
n×2 1277084
n×3 1915626
n×4 2554168
n×5 3192710

Division

n÷y
n÷2 319271
n÷3 212847.33333333
n÷3 159635.5
n÷5 127708.4

Exponentiation

ny
n2 407735885764
n3 260356487967516088
n4 1.6624855253975E+23
n5 1.0615668323584E+29

Nth Root

y√n
2√n 799.08823042265
3√n 86.111896890351
4√n 28.268148691109
5√n 14.488982692229

Divisors of 638542

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638541
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638542 can be divided by 8 positive divisors. The sum of these divisors (counting 638542) is 1, the average is 0.125.

Base conversion 638542

Base System Value
2 Binary 10011011111001001110
3 Ternary 1012102220201
4 Quaternary 2123321032
5 Quinary 130413132
6 Senary 21404114
8 Octal 2337116
10 Decimal 638542
12 Duodecimal 26963a
16 Hexadecimal 9be4e
20 Vigesimal 3jg72
36 Base36 dopa

Cryptographic Hash Functions

md5 561a9316f5dc7c4e47db8fbf72da2551
sha1 3d6603b633bd208350239cafa4dd13fd12a59ffe
sha256 906ec4222cebcdee8fdb471446f44da6c8c23792e20f819c2c24f29a670f8a94
sha512 8cbc294edd34514970ca73d11b2d539e4574984655ba1fa3a6d4f2e2c57de23bc32e8347907dfd8a4f7335fb899de8c74c0d18155b7f04d55207b507ec743926
ripemd-160 1c21752ba6dd59f25d4beb0b0cdea73e4b20c69d

638542 as geometric shapes

Circle

Radius = n
Diameter 1277084
Circumference 4012077.7124171
Area 1280940063321.1

Sphere

Radius = n
Volume 1.0905787065509E+18
Surface area 5123760253284.4
Circumference 4012077.7124171

Square

Length = n
Perimeter 2554168
Area 407735885764
Diagonal 903034.75654484

Cube

Length = n
Surface area 2446415314584
Volume 260356487967516088
Space diagonal 1105987.1867666

Equilateral Triangle

Length = n
Perimeter 1915626
Area 176554817553.09
Altitude 552993.59338332

Triangular Pyramid

Length = n
Surface area 176554817553.09
Volume 3.0683306361291E+16
Height 301011.58551495