28168428 (number)

28168428 is an even 8-digits composite number following 28168427 and preceding 28168429. In scientific notation, it is written as 2.8168428 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 9389472 positive integers (up to 28168428) that are relatively prime to 28168428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8168428 × 10^7
Engineering notation 2.8168428 × 10^6

Prime Factorization of 28168428

Prime Factorization 2 × 2 × 3 × 2347369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14084214
Product of the distinct prime numbers

The prime factorization of 28168428 is 2 × 2 × 3 × 2347369. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28168428)

Multiplication

n×y
n×2 56336856
n×3 84505284
n×4 112673712
n×5 140842140

Division

n÷y
n÷2 14084214
n÷3 9389476
n÷3 7042107
n÷5 5633685.6

Exponentiation

ny
n2 793460335991184
n3 2.2350530345223E+22
n4 6.2957930479124E+29
n5 1.7734259317302E+37

Nth Root

y√n
2√n 5307.3937106644
3√n 304.26654542751
4√n 72.85186140837
5√n 30.899576145939

Divisors of 28168428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28168427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28168428 can be divided by 12 positive divisors. The sum of these divisors (counting 28168428) is 1, the average is 0.083333333333333.

Base conversion 28168428

Base System Value
2 Binary 1101011011101000011101100
3 Ternary 1222000002211010
4 Quaternary 1223131003230
5 Quinary 24202342203
6 Senary 2443425220
8 Octal 153350354
10 Decimal 28168428
12 Duodecimal 9525210
16 Hexadecimal 1add0ec
20 Vigesimal 8g1118
36 Base36 grqwc

Cryptographic Hash Functions

md5 51129c1116d593e81cb8f30c290385f5
sha1 a3bc99034171d5bba7102e3f074b4815af040b13
sha256 2176836e4828e86a4babcdeaaae2e78bfbefdb5092ef9c2fa3afe631d650fa39
sha512 3678c7191f860572883b4210d8778cd2904e60c8b2152b2cecb37f3c3a60a0a72efc3599459db40d62f23a131f1b500d592872f110fe7ac10fcc2819b1edabf3
ripemd-160 04a3e3ce480951ce34cbf5846d4f4355516dfa15

28168428 as geometric shapes

Circle

Radius = n
Diameter 56336856
Circumference 176987452.93595
Area 2.4927291624648E+15

Sphere

Radius = n
Volume 9.3621682581853E+22
Surface area 9.9709166498592E+15
Circumference 176987452.93595

Square

Length = n
Perimeter 112673712
Area 793460335991184
Diagonal 39836172.90833

Cube

Length = n
Surface area 4760762015947104
Volume 2.2350530345223E+22
Space diagonal 48789148.465346

Equilateral Triangle

Length = n
Perimeter 84505284
Area 3.4357840393185E+14
Altitude 24394574.232673

Triangular Pyramid

Length = n
Surface area 3.4357840393185E+14
Volume 2.6340352617039E+21
Height 13278724.302777