28897400 (number)

28897400 is an even 8-digits composite number following 28897399 and preceding 28897401. In scientific notation, it is written as 2.8897400 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 9907200 positive integers (up to 28897400) that are relatively prime to 28897400.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred ninety-seven thousand four hundred

Notation

Scientific notation 2.8897400 × 10^7
Engineering notation 2.8897400 × 10^6

Prime Factorization of 28897400

Prime Factorization 2 × 2 × 2 × 175 × 20641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7224350
Product of the distinct prime numbers

The prime factorization of 28897400 is 2 × 2 × 2 × 175 × 20641. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28897400)

Multiplication

n×y
n×2 57794800
n×3 86692200
n×4 115589600
n×5 144487000

Division

n÷y
n÷2 14448700
n÷3 9632466.6666667
n÷3 7224350
n÷5 5779480

Exponentiation

ny
n2 835059726760000
n3 2.4131054948074E+22
n4 6.9732474725649E+29
n5 2.015087215137E+37

Nth Root

y√n
2√n 5375.6301956143
3√n 306.86893293575
4√n 73.318689265523
5√n 31.057876158973

Divisors of 28897400

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 -28897399
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 28897400 can be divided by 16 positive divisors. The sum of these divisors (counting 28897400) is 1, the average is 0.0625.

Base conversion 28897400

Base System Value
2 Binary 1101110001111000001111000
3 Ternary 2000101010210002
4 Quaternary 1232033001320
5 Quinary 24344204100
6 Senary 2511212132
8 Octal 156170170
10 Decimal 28897400
12 Duodecimal 9817048
16 Hexadecimal 1b8f078
20 Vigesimal 90c3a0
36 Base36 h7ddk

Cryptographic Hash Functions

md5 c9e075b69a7b60d57048bd4589fe2491
sha1 1a073991a26ff2a1cb72e97c4645654d576ba300
sha256 999ba658d843b36c556b1c41c29724323d1133bf4f5bc2d20e23a4bda741a023
sha512 c47042bc9dd65e00afe641fa9c5178e56246110e414d1e69afca69375d72c12e54d0321ea50128118dc03915b336f217140b294173cddcc999699f7eea5777dc
ripemd-160 ea3d47de455096b5e6889af17c7c31504160414e

28897400 as geometric shapes

Circle

Radius = n
Diameter 57794800
Circumference 181567719.09569
Area 2.6234175028979E+15

Sphere

Radius = n
Volume 1.0107992659766E+23
Surface area 1.0493670011592E+16
Circumference 181567719.09569

Square

Length = n
Perimeter 115589600
Area 835059726760000
Diagonal 40867094.99732

Cube

Length = n
Surface area 5010358360560000
Volume 2.4131054948074E+22
Space diagonal 50051765.006641

Equilateral Triangle

Length = n
Perimeter 86692200
Area 3.6159146852573E+14
Altitude 25025882.50332

Triangular Pyramid

Length = n
Surface area 3.6159146852573E+14
Volume 2.8438720984948E+21
Height 13622364.999107