638620 (number)

638620 is an even 6-digits composite number following 638619 and preceding 638621. In scientific notation, it is written as 6.38620 × 10^5. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 248256 positive integers (up to 638620) that are relatively prime to 638620.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight thousand six hundred twenty

Notation

Scientific notation 6.38620 × 10^5
Engineering notation 6.38620 × 10^3

Prime Factorization of 638620

Prime Factorization 2 × 2 × 185 × 863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 319310
Product of the distinct prime numbers

The prime factorization of 638620 is 2 × 2 × 185 × 863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638620)

Multiplication

n×y
n×2 1277240
n×3 1915860
n×4 2554480
n×5 3193100

Division

n÷y
n÷2 319310
n÷3 212873.33333333
n÷3 159655
n÷5 127724

Exponentiation

ny
n2 407835504400
n3 260451909819928000
n4 1.663297986492E+23
n5 1.0622153601335E+29

Nth Root

y√n
2√n 799.13703455665
3√n 86.115403031157
4√n 28.269011913342
5√n 14.489336650287

Divisors of 638620

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638620 can be divided by 12 positive divisors. The sum of these divisors (counting 638620) is 1, the average is 0.083333333333333.

Base conversion 638620

Base System Value
2 Binary 10011011111010011100
3 Ternary 1012110000121
4 Quaternary 2123322130
5 Quinary 130413440
6 Senary 21404324
8 Octal 2337234
10 Decimal 638620
12 Duodecimal 2696a4
16 Hexadecimal 9be9c
20 Vigesimal 3jgb0
36 Base36 dorg

Cryptographic Hash Functions

md5 7f32d959248fbf726aed8897ca690f52
sha1 c9d016f07f3e2754b892f058f4f16d09d29fc050
sha256 0083b7b9d4db0fe875ad724a9169f8ba854e786a8b9872bb3cc642c831d07566
sha512 11abf9afbedee48b1b1f88cdf9de4ea01049f71e54564c04a4100000797cb83051aec145e7e0fe52c11478421cb3cc1378f4892cf617bfb6f25694f6681d5c88
ripemd-160 e5b614111a89f6169ed487b031029b874a98393b

638620 as geometric shapes

Circle

Radius = n
Diameter 1277240
Circumference 4012567.800871
Area 1281253024496.1

Sphere

Radius = n
Volume 1.0909784086716E+18
Surface area 5125012097984.5
Circumference 4012567.800871

Square

Length = n
Perimeter 2554480
Area 407835504400
Diagonal 903145.06520271

Cube

Length = n
Surface area 2447013026400
Volume 260451909819928000
Space diagonal 1106122.2867296

Equilateral Triangle

Length = n
Perimeter 1915860
Area 176597953687.82
Altitude 553061.14336482

Triangular Pyramid

Length = n
Surface area 176597953687.82
Volume 3.0694551934443E+16
Height 301048.35506757