28298381 (number)

28298381 is an odd 8-digits composite number following 28298380 and preceding 28298382. In scientific notation, it is written as 2.8298381 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 27385500 positive integers (up to 28298381) that are relatively prime to 28298381.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-eight thousand three hundred eighty-one

Notation

Scientific notation 2.8298381 × 10^7
Engineering notation 2.8298381 × 10^6

Prime Factorization of 28298381

Prime Factorization 31 × 912851

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28298381
Product of the distinct prime numbers

The prime factorization of 28298381 is 31 × 912851. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28298381)

Multiplication

n×y
n×2 56596762
n×3 84895143
n×4 113193524
n×5 141491905

Division

n÷y
n÷2 14149190.5
n÷3 9432793.6666667
n÷3 7074595.25
n÷5 5659676.2

Exponentiation

ny
n2 800798367221161
n3 2.2661297299802E+22
n4 6.4127802494408E+29
n5 1.8147129876795E+37

Nth Root

y√n
2√n 5319.6222610257
3√n 304.73373160054
4√n 72.935740628485
5√n 30.928034269273

Divisors of 28298381

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 -28298380
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 28298381 can be divided by 4 positive divisors. The sum of these divisors (counting 28298381) is 1, the average is 0.25.

Base conversion 28298381

Base System Value
2 Binary 1101011111100110010001101
3 Ternary 1222020201002012
4 Quaternary 1223330302031
5 Quinary 24221022011
6 Senary 2450311005
8 Octal 153746215
10 Decimal 28298381
12 Duodecimal 9588465
16 Hexadecimal 1afcc8d
20 Vigesimal 8gh5j1
36 Base36 guj65

Cryptographic Hash Functions

md5 91a696671b4ef9ad7b8a706dfb2d1a40
sha1 8e0467f5519ff65d3c5057074cf2e375732fd3e8
sha256 29ce14a09bd78a284a9522608aa3b5a78e400b7cb75e18c07cc29462549aa9fc
sha512 92895960e6bda65737aef5af2b8eb16515f785a0588464e6ddb98ff8151dc0d2b2f4523eda56b62d320c57715e6b88b101dedbb497a54bc81ffae4119535ebf4
ripemd-160 31f12132cadfa3aea6bc8d54d858b6e1eddd4716

28298381 as geometric shapes

Circle

Radius = n
Diameter 56596762
Circumference 177803971.71617
Area 2.5157822674687E+15

Sphere

Radius = n
Volume 9.4923420157164E+22
Surface area 1.0063129069875E+16
Circumference 177803971.71617

Square

Length = n
Perimeter 113193524
Area 800798367221161
Diagonal 40019954.203401

Cube

Length = n
Surface area 4804790203326966
Volume 2.2661297299802E+22
Space diagonal 49014233.663942

Equilateral Triangle

Length = n
Perimeter 84895143
Area 3.4675586466131E+14
Altitude 24507116.831971

Triangular Pyramid

Length = n
Surface area 3.4675586466131E+14
Volume 2.6706594985291E+21
Height 13339984.734467