28279938 (number)

28279938 is an even 8-digits composite number following 28279937 and preceding 28279939. In scientific notation, it is written as 2.8279938 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 9426644 positive integers (up to 28279938) that are relatively prime to 28279938.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred seventy-nine thousand nine hundred thirty-eight

Notation

Scientific notation 2.8279938 × 10^7
Engineering notation 2.8279938 × 10^6

Prime Factorization of 28279938

Prime Factorization 2 × 3 × 4713323

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28279938
Product of the distinct prime numbers

The prime factorization of 28279938 is 2 × 3 × 4713323. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 68, 45, 69, 387, 8231, 1539, 93519, 74149, 101204, 149820, 7720667, 4575374, 66867940, 5208389, 426973312, 954306560, 6031246254, 1100903021

Basic calculations (n = 28279938)

Multiplication

n×y
n×2 56559876
n×3 84839814
n×4 113119752
n×5 141399690

Division

n÷y
n÷2 14139969
n÷3 9426646
n÷3 7069984.5
n÷5 5655987.6

Exponentiation

ny
n2 799754893283844
n3 2.2617018797264E+22
n4 6.3960788933145E+29
n5 1.8088071454604E+37

Nth Root

y√n
2√n 5317.8884907452
3√n 304.66751549661
4√n 72.923854058498
5√n 30.92400185134

Divisors of 28279938

1, 2, 3, 6, 4713323, 9426646, 14139969, 28279938

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 -28279937
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 28279938 can be divided by 8 positive divisors. The sum of these divisors (counting 28279938) is 1, the average is 0.125.

Base conversion 28279938

Base System Value
2 Binary 1101011111000010010000010
3 Ternary 1222012202210010
4 Quaternary 1223320102002
5 Quinary 24214424223
6 Senary 2450045350
8 Octal 153702202
10 Decimal 28279938
12 Duodecimal 9579856
16 Hexadecimal 1af8482
20 Vigesimal 8gejgi
36 Base36 gu4xu

Cryptographic Hash Functions

md5 4df0f0d3b3f07e8737be0c3c478c587b
sha1 63199818544446fbe63623d303c164e20a8ccd1c
sha256 c6261677530ab02f477117f63666e2aba8318b0b45bf0bef7616042134bddfe7
sha512 4c5923103f481587f75cc21caa8e0825e72ed84671581200403e0800229246490f81e797321ee8cf0afffd36fff9f2785966d12742fe92b93102fda69a3bfcd1
ripemd-160 069ab91e424dc7a9cca86924441e99346b19cc62

28279938 as geometric shapes

Circle

Radius = n
Diameter 56559876
Circumference 177688090.92955
Area 2.512504097413E+15

Sphere

Radius = n
Volume 9.4737946799448E+22
Surface area 1.0050016389652E+16
Circumference 177688090.92955

Square

Length = n
Perimeter 113119752
Area 799754893283844
Diagonal 39993871.86267

Cube

Length = n
Surface area 4798529359703064
Volume 2.2617018797264E+22
Space diagonal 48982289.450898

Equilateral Triangle

Length = n
Perimeter 84839814
Area 3.4630402719236E+14
Altitude 24491144.725449

Triangular Pyramid

Length = n
Surface area 3.4630402719236E+14
Volume 2.6654412269615E+21
Height 13331290.62089