28438690 (number)

28438690 is an even 8-digits composite number following 28438689 and preceding 28438691. In scientific notation, it is written as 2.8438690 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 9750384 positive integers (up to 28438690) that are relatively prime to 28438690.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand six hundred ninety

Notation

Scientific notation 2.8438690 × 10^7
Engineering notation 2.8438690 × 10^6

Prime Factorization of 28438690

Prime Factorization 2 × 7 × 5 × 406267

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28438690
Product of the distinct prime numbers

The prime factorization of 28438690 is 2 × 7 × 5 × 406267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 55, 25, 123, 369, 4602, 9167, 79499, 78378, 851091, 44195, 3423172, 7346381, 7438667, 69328984, 351767945, 889805967, 2113082305, 6855405495

Basic calculations (n = 28438690)

Multiplication

n×y
n×2 56877380
n×3 85316070
n×4 113754760
n×5 142193450

Division

n÷y
n÷2 14219345
n÷3 9479563.3333333
n÷3 7109672.5
n÷5 5687738

Exponentiation

ny
n2 808759088916100
n3 2.3000049014367E+22
n4 6.540912639044E+29
n5 1.8601498685885E+37

Nth Root

y√n
2√n 5332.7938268791
3√n 305.2365449764
4√n 73.025980492419
5√n 30.958643092231

Divisors of 28438690

1, 2, 5, 7, 10, 14, 35, 70, 406267, 812534, 2031335, 2843869, 4062670, 5687738, 14219345, 28438690

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438690 can be divided by 16 positive divisors. The sum of these divisors (counting 28438690) is 1, the average is 0.0625.

Base conversion 28438690

Base System Value
2 Binary 1101100011111000010100010
3 Ternary 1222111211112211
4 Quaternary 1230133002202
5 Quinary 24240014230
6 Senary 2453312334
8 Octal 154370242
10 Decimal 28438690
12 Duodecimal 96356aa
16 Hexadecimal 1b1f0a2
20 Vigesimal 8hegea
36 Base36 gxjfm

Cryptographic Hash Functions

md5 97be31d61b82a5827604d47a04cad62b
sha1 e2aea4373af31a244e18d86f3f786e48e3e8fb07
sha256 7b83e1271aa4e9fc77b0826fa0583355582dec16568e2249b7a0f84998e7823b
sha512 155be0f608d2bbf8940acc29df443fe9d53bccd9bdcaa5e0e2c992767e2f67a3fcb49378f9149977383d976c59848ad4cd0562b826fb0dcad2eded67d6f2a085
ripemd-160 1e6c67702cb72d5243478bb059a6fa2c3d901741

28438690 as geometric shapes

Circle

Radius = n
Diameter 56877380
Circumference 178685559.16344
Area 2.5407916122628E+15

Sphere

Radius = n
Volume 9.6342380020989E+22
Surface area 1.0163166449051E+16
Circumference 178685559.16344

Square

Length = n
Perimeter 113754760
Area 808759088916100
Diagonal 40218381.094124

Cube

Length = n
Surface area 4852554533496600
Volume 2.3000049014367E+22
Space diagonal 49257255.980701

Equilateral Triangle

Length = n
Perimeter 85316070
Area 3.5020295827145E+14
Altitude 24628627.99035

Triangular Pyramid

Length = n
Surface area 3.5020295827145E+14
Volume 2.710581770947E+21
Height 13406127.031375