642238 (number)

642238 is an even 6-digits composite number following 642237 and preceding 642239. In scientific notation, it is written as 6.42238 × 10^5. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 304200 positive integers (up to 642238) that are relatively prime to 642238.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42238 × 10^5
Engineering notation 6.42238 × 10^3

Prime Factorization of 642238

Prime Factorization 2 × 19 × 16901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642238
Product of the distinct prime numbers

The prime factorization of 642238 is 2 × 19 × 16901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642238)

Multiplication

n×y
n×2 1284476
n×3 1926714
n×4 2568952
n×5 3211190

Division

n÷y
n÷2 321119
n÷3 214079.33333333
n÷3 160559.5
n÷5 128447.6

Exponentiation

ny
n2 412469648644
n3 264903682205825272
n4 1.701312110525E+23
n5 1.0926472872394E+29

Nth Root

y√n
2√n 801.39752931988
3√n 86.277721258002
4√n 28.308965528961
5√n 14.505716978454

Divisors of 642238

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 -642237
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 642238 can be divided by 8 positive divisors. The sum of these divisors (counting 642238) is 1, the average is 0.125.

Base conversion 642238

Base System Value
2 Binary 10011100110010111110
3 Ternary 1012121222121
4 Quaternary 2130302332
5 Quinary 131022423
6 Senary 21433154
8 Octal 2346276
10 Decimal 642238
12 Duodecimal 26b7ba
16 Hexadecimal 9ccbe
20 Vigesimal 405bi
36 Base36 drjy

Cryptographic Hash Functions

md5 4ae62577c447244a3b73bcac46319b3b
sha1 2c52c24365c309140b6278e17bf30d7564adb1e8
sha256 f72516db37bc4510a1b168e9f3e777fbc4ee8bbf61f80433981ee2ab6cf15e29
sha512 37b6d53bc9f6edf3fc4ea4a0f6f21f104e5022310b20e37bff7b5c1980d83084b774e5b800400866a2b7cd87d48952af73831f94a6afe0481218c9b7c6da3aa4
ripemd-160 2be65afdf84b9c1dfc08d3d4dd5b5f7bcfbc2220

642238 as geometric shapes

Circle

Radius = n
Diameter 1284476
Circumference 4035300.3653124
Area 1295811618008.8

Sphere

Radius = n
Volume 1.1096259492356E+18
Surface area 5183246472035
Circumference 4035300.3653124

Square

Length = n
Perimeter 2568952
Area 412469648644
Diagonal 908261.68987137

Cube

Length = n
Surface area 2474817891864
Volume 264903682205825272
Space diagonal 1112388.8465514

Equilateral Triangle

Length = n
Perimeter 1926714
Area 178604597007.87
Altitude 556194.42327571

Triangular Pyramid

Length = n
Surface area 178604597007.87
Volume 3.1219198341504E+16
Height 302753.89662379