28391946 (number)

28391946 is an even 8-digits composite number following 28391945 and preceding 28391947. In scientific notation, it is written as 2.8391946 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 8567040 positive integers (up to 28391946) that are relatively prime to 28391946.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand nine hundred forty-six

Notation

Scientific notation 2.8391946 × 10^7
Engineering notation 2.8391946 × 10^6

Prime Factorization of 28391946

Prime Factorization 2 × 33 × 277 × 1553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28391946
Product of the distinct prime numbers

The prime factorization of 28391946 is 2 × 33 × 277 × 1553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 80, 44, 907, 950, 6022, 3280, 42637, 86419, 32700, 311877, 6655145, 8963343, 47830171, 90252927, 457575511, 512403675, 9829992500, 6078857289

Basic calculations (n = 28391946)

Multiplication

n×y
n×2 56783892
n×3 85175838
n×4 113567784
n×5 141959730

Division

n÷y
n÷2 14195973
n÷3 9463982
n÷3 7097986.5
n÷5 5678389.2

Exponentiation

ny
n2 806102597666916
n3 2.2886821423419E+22
n4 6.4980139796535E+29
n5 1.8449126201757E+37

Nth Root

y√n
2√n 5328.4093311231
3√n 305.06921657606
4√n 72.995954210649
5√n 30.948459196996

Divisors of 28391946

1, 2, 33, 66, 277, 554, 1553, 3106, 9141, 18282, 51249, 102498, 430181, 860362, 14195973, 28391946

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 -28391945
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 28391946 can be divided by 16 positive divisors. The sum of these divisors (counting 28391946) is 1, the average is 0.0625.

Base conversion 28391946

Base System Value
2 Binary 1101100010011101000001010
3 Ternary 1222102110102120
4 Quaternary 1230103220022
5 Quinary 24232020241
6 Senary 2452312110
8 Octal 154235012
10 Decimal 28391946
12 Duodecimal 9612636
16 Hexadecimal 1b13a0a
20 Vigesimal 8h8jh6
36 Base36 gwjd6

Cryptographic Hash Functions

md5 f57009d05a398ce1c31ff0f7f9458405
sha1 bf91e15bc544f05ca5ec4a4f131b3f9d4d8713d1
sha256 1dcec49b552a8fc43817f5f9eb37272a6d2f50de9d20011d3ee634b2ed2e0557
sha512 7799ed5f5e29fcc91f1ca4d530362bb92750837aef94951a353fc8a6e9dd2331dd491a1690b569d64b010c5cb3f17ef38a0d438246c30931e3a961f26954a301
ripemd-160 1954a92d2978fa47678b08704e64cdf46c34d11b

28391946 as geometric shapes

Circle

Radius = n
Diameter 56783892
Circumference 178391857.94944
Area 2.53244599887E+15

Sphere

Radius = n
Volume 9.5868093397112E+22
Surface area 1.012978399548E+16
Circumference 178391857.94944

Square

Length = n
Perimeter 113567784
Area 806102597666916
Diagonal 40152275.095365

Cube

Length = n
Surface area 4836615586001496
Volume 2.2886821423419E+22
Space diagonal 49176292.997752

Equilateral Triangle

Length = n
Perimeter 85175838
Area 3.4905266381809E+14
Altitude 24588146.498876

Triangular Pyramid

Length = n
Surface area 3.4905266381809E+14
Volume 2.6972377713842E+21
Height 13384091.698455