28291238 (number)

28291238 is an even 8-digits composite number following 28291237 and preceding 28291239. In scientific notation, it is written as 2.8291238 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 14117320 positive integers (up to 28291238) that are relatively prime to 28291238.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred thirty-eight

Notation

Scientific notation 2.8291238 × 10^7
Engineering notation 2.8291238 × 10^6

Prime Factorization of 28291238

Prime Factorization 2 × 509 × 27791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291238
Product of the distinct prime numbers

The prime factorization of 28291238 is 2 × 509 × 27791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291238)

Multiplication

n×y
n×2 56582476
n×3 84873714
n×4 113164952
n×5 141456190

Division

n÷y
n÷2 14145619
n÷3 9430412.6666667
n÷3 7072809.5
n÷5 5658247.6

Exponentiation

ny
n2 800394147572644
n3 2.2644141322785E+22
n4 6.4063079146854E+29
n5 1.8124238191565E+37

Nth Root

y√n
2√n 5318.9508363962
3√n 304.70808942432
4√n 72.931137632675
5√n 30.926472757626

Divisors of 28291238

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 -28291237
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 28291238 can be divided by 8 positive divisors. The sum of these divisors (counting 28291238) is 1, the average is 0.125.

Base conversion 28291238

Base System Value
2 Binary 1101011111011000010100110
3 Ternary 1222020100021122
4 Quaternary 1223323002212
5 Quinary 24220304423
6 Senary 2450213542
8 Octal 153730246
10 Decimal 28291238
12 Duodecimal 95842b2
16 Hexadecimal 1afb0a6
20 Vigesimal 8gg81i
36 Base36 gudnq

Cryptographic Hash Functions

md5 4626759c84b8fb90135f1d68bb1dbbd2
sha1 9c02bca61f7d2337e006869e53dba5372ec7b2a3
sha256 05ec60b6954347a4cb660822976658eaf6a18a4e545c44e41bfa238c22be6a59
sha512 962331bdcd53150f5cf41ba16aa0144ce58d84f10c39b5271ae35ae4855c7b8c0b22c3ad526346a67ede7786f60ad073602d859829ee389071800146875e7f85
ripemd-160 f2ac21c1538d42dfa4e3a93b48eceb9c5862c86e

28291238 as geometric shapes

Circle

Radius = n
Diameter 56582476
Circumference 177759090.92352
Area 2.5145123739905E+15

Sphere

Radius = n
Volume 9.485155736868E+22
Surface area 1.0058049495962E+16
Circumference 177759090.92352

Square

Length = n
Perimeter 113164952
Area 800394147572644
Diagonal 40009852.475925

Cube

Length = n
Surface area 4802364885435864
Volume 2.2644141322785E+22
Space diagonal 49001861.625023

Equilateral Triangle

Length = n
Perimeter 84873714
Area 3.4658083241915E+14
Altitude 24500930.812512

Triangular Pyramid

Length = n
Surface area 3.4658083241915E+14
Volume 2.6686376472479E+21
Height 13336617.491975