28440138 (number)

28440138 is an even 8-digits composite number following 28440137 and preceding 28440139. In scientific notation, it is written as 2.8440138 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 9480044 positive integers (up to 28440138) that are relatively prime to 28440138.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty thousand one hundred thirty-eight

Notation

Scientific notation 2.8440138 × 10^7
Engineering notation 2.8440138 × 10^6

Prime Factorization of 28440138

Prime Factorization 2 × 3 × 4740023

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28440138
Product of the distinct prime numbers

The prime factorization of 28440138 is 2 × 3 × 4740023. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28440138)

Multiplication

n×y
n×2 56880276
n×3 85320414
n×4 113760552
n×5 142200690

Division

n÷y
n÷2 14220069
n÷3 9480046
n÷3 7110034.5
n÷5 5688027.6

Exponentiation

ny
n2 808841449459044
n3 2.3003562442735E+22
n4 6.5422449036301E+29
n5 1.8606234788904E+37

Nth Root

y√n
2√n 5332.9295888845
3√n 305.24172541914
4√n 73.026910032429
5√n 30.958958347274

Divisors of 28440138

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 -28440137
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 28440138 can be divided by 8 positive divisors. The sum of these divisors (counting 28440138) is 1, the average is 0.125.

Base conversion 28440138

Base System Value
2 Binary 1101100011111011001001010
3 Ternary 1222111220112110
4 Quaternary 1230133121022
5 Quinary 24240041023
6 Senary 2453323150
8 Octal 154373112
10 Decimal 28440138
12 Duodecimal 96364b6
16 Hexadecimal 1b1f64a
20 Vigesimal 8hf06i
36 Base36 gxkju

Cryptographic Hash Functions

md5 b13e74ca1de312516df0f533fa41b96a
sha1 5fd11b3ef6224a6cb8248e56073db1f05db8ce9f
sha256 aac161c640d116d7bee50e7e6b3523641ecd75ec4102a3e899a65777842a3973
sha512 9b19ba8b11ce73cb5a07cf529b0b7e00cc562b5700dd1d1b9b2dd714f91f284c483ed9871e723e9f003971e91450f6158ba945685d94115ebc5ec917bfcc40d3
ripemd-160 6b16db38322ecb4cbae18b349e73a5e8956a1088

28440138 as geometric shapes

Circle

Radius = n
Diameter 56880276
Circumference 178694657.21576
Area 2.5410503555395E+15

Sphere

Radius = n
Volume 9.6357097035321E+22
Surface area 1.0164201422158E+16
Circumference 178694657.21576

Square

Length = n
Perimeter 113760552
Area 808841449459044
Diagonal 40220428.875362

Cube

Length = n
Surface area 4853048696754264
Volume 2.3003562442735E+22
Space diagonal 49259763.99027

Equilateral Triangle

Length = n
Perimeter 85320414
Area 3.5023862143268E+14
Altitude 24629881.995135

Triangular Pyramid

Length = n
Surface area 3.5023862143268E+14
Volume 2.710995832451E+21
Height 13406809.625121