28438961 (number)

28438961 is an odd 8-digits composite number following 28438960 and preceding 28438962. In scientific notation, it is written as 2.8438961 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 28396032 positive integers (up to 28438961) that are relatively prime to 28438961.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand nine hundred sixty-one

Notation

Scientific notation 2.8438961 × 10^7
Engineering notation 2.8438961 × 10^6

Prime Factorization of 28438961

Prime Factorization 673 × 42257

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28438961
Product of the distinct prime numbers

The prime factorization of 28438961 is 673 × 42257. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28438961)

Multiplication

n×y
n×2 56877922
n×3 85316883
n×4 113755844
n×5 142194805

Division

n÷y
n÷2 14219480.5
n÷3 9479653.6666667
n÷3 7109740.25
n÷5 5687792.2

Exponentiation

ny
n2 808774502759521
n3 2.3000706541772E+22
n4 6.5411619631391E+29
n5 1.860238499644E+37

Nth Root

y√n
2√n 5332.8192356389
3√n 305.23751453396
4√n 73.026154462897
5√n 30.95870209467

Divisors of 28438961

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438961 can be divided by 4 positive divisors. The sum of these divisors (counting 28438961) is 1, the average is 0.25.

Base conversion 28438961

Base System Value
2 Binary 1101100011111000110110001
3 Ternary 1222111211220212
4 Quaternary 1230133012301
5 Quinary 24240021321
6 Senary 2453313505
8 Octal 154370661
10 Decimal 28438961
12 Duodecimal 9635895
16 Hexadecimal 1b1f1b1
20 Vigesimal 8heh81
36 Base36 gxjn5

Cryptographic Hash Functions

md5 329732492a3943fc8b03d20672a75fd0
sha1 ab81e04ae40950cc3feedd354ffccecd8154e8ca
sha256 f0d04e9193c488b6932cf7830bcf16894dcf528c8be09b6be072530b04ec3629
sha512 51b106eedd772876c090b0c389d928a1d8110e26ce7065b255c0a09899bf5706d7c9827de8719c4e59299361caf3d576e4f6e34d9d2054fa9ec8d8ac62558dff
ripemd-160 f4bc3b23ac8ef14b48294b954277b86ee356de1b

28438961 as geometric shapes

Circle

Radius = n
Diameter 56877922
Circumference 178687261.90665
Area 2.54084003628E+15

Sphere

Radius = n
Volume 9.6345134265343E+22
Surface area 1.016336014512E+16
Circumference 178687261.90665

Square

Length = n
Perimeter 113755844
Area 808774502759521
Diagonal 40218764.346

Cube

Length = n
Surface area 4852647016557126
Volume 2.3000706541772E+22
Space diagonal 49257725.36647

Equilateral Triangle

Length = n
Perimeter 85316883
Area 3.5020963266144E+14
Altitude 24628862.683235

Triangular Pyramid

Length = n
Surface area 3.5020963266144E+14
Volume 2.7106592612948E+21
Height 13406254.782