28391330 (number)

28391330 is an even 8-digits composite number following 28391329 and preceding 28391331. In scientific notation, it is written as 2.8391330 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 10264320 positive integers (up to 28391330) that are relatively prime to 28391330.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand three hundred thirty

Notation

Scientific notation 2.8391330 × 10^7
Engineering notation 2.8391330 × 10^6

Prime Factorization of 28391330

Prime Factorization 2 × 11 × 5 × 1297 × 199

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28391330
Product of the distinct prime numbers

The prime factorization of 28391330 is 2 × 11 × 5 × 1297 × 199. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 53, 65, 625, 43, 9860, 3615, 40869, 46659, 403028, 152894, 2549654, 138233, 92915385, 88562731, 933839242, 667227000, 2073933196, 2951374943

Basic calculations (n = 28391330)

Multiplication

n×y
n×2 56782660
n×3 85173990
n×4 113565320
n×5 141956650

Division

n÷y
n÷2 14195665
n÷3 9463776.6666667
n÷3 7097832.5
n÷5 5678266

Exponentiation

ny
n2 806067619168900
n3 2.2885331778139E+22
n4 6.4974500667262E+29
n5 1.8447124900295E+37

Nth Root

y√n
2√n 5328.3515274426
3√n 305.06701026966
4√n 72.995558272011
5√n 30.948324902458

Divisors of 28391330

1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1297, 1990, 2189, 2594, 4378, 6485, 10945, 12970, 14267, 21890, 28534, 71335, 142670, 258103, 516206, 1290515, 2581030, 2839133, 5678266, 14195665, 28391330

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28391329
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28391330 can be divided by 32 positive divisors. The sum of these divisors (counting 28391330) is 1, the average is 0.03125.

Base conversion 28391330

Base System Value
2 Binary 1101100010011011110100010
3 Ternary 1222102102120202
4 Quaternary 1230103132202
5 Quinary 24232010310
6 Senary 2452305202
8 Octal 154233642
10 Decimal 28391330
12 Duodecimal 9612202
16 Hexadecimal 1b137a2
20 Vigesimal 8h8i6a
36 Base36 gwiw2

Cryptographic Hash Functions

md5 43f667d059fa2cae94e023a877dfe90f
sha1 fb644e3882860b1ed4c9e9684e5ec7cf7a5b3a61
sha256 71e8cc42737e6353ae7363c065c0a99ecffc88cf567ec8676d18a19cbd7ee1e7
sha512 90424965953cf1f17bf2fad61707627cb3ad7f663b29ff6d736b8321fd36e7b86d9c376fe4e3e58b3e8e8cff3e7dda7cfef28a8316018b46382f1e061029c9bf
ripemd-160 31447f3ef3e21baf225c20271758a5a7b3d3df63

28391330 as geometric shapes

Circle

Radius = n
Diameter 56782660
Circumference 178387987.50729
Area 2.5323361106776E+15

Sphere

Radius = n
Volume 9.5861853585554E+22
Surface area 1.0129344442711E+16
Circumference 178387987.50729

Square

Length = n
Perimeter 113565320
Area 806067619168900
Diagonal 40151403.93981

Cube

Length = n
Surface area 4836405715013400
Volume 2.2885331778139E+22
Space diagonal 49175226.054454

Equilateral Triangle

Length = n
Perimeter 85173990
Area 3.4903751768415E+14
Altitude 24587613.027227

Triangular Pyramid

Length = n
Surface area 3.4903751768415E+14
Volume 2.6970622150043E+21
Height 13383801.31327