28420172 (number)

28420172 is an even 8-digits composite number following 28420171 and preceding 28420173. In scientific notation, it is written as 2.8420172 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 12790800 positive integers (up to 28420172) that are relatively prime to 28420172.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty thousand one hundred seventy-two

Notation

Scientific notation 2.8420172 × 10^7
Engineering notation 2.8420172 × 10^6

Prime Factorization of 28420172

Prime Factorization 2 × 2 × 1133 × 6271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14210086
Product of the distinct prime numbers

The prime factorization of 28420172 is 2 × 2 × 1133 × 6271. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 83, 59, 671, 369, 3090, 3273, 50724, 19513, 99386, 867209, 3521904, 5456436, 93911650, 99029133, 348293878, 3091226, 2908667723, 8783888051

Basic calculations (n = 28420172)

Multiplication

n×y
n×2 56840344
n×3 85260516
n×4 113680688
n×5 142100860

Division

n÷y
n÷2 14210086
n÷3 9473390.6666667
n÷3 7105043
n÷5 5684034.4

Exponentiation

ny
n2 807706176509584
n3 2.2955148461865E+22
n4 6.5238926757173E+29
n5 1.8541015195343E+37

Nth Root

y√n
2√n 5331.0573060135
3√n 305.17027847302
4√n 73.01408977734
5√n 30.9546102656

Divisors of 28420172

1, 2, 4, 1133, 2266, 4532, 6271, 12542, 25084, 7105043, 14210086, 28420172

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 -28420171
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 28420172 can be divided by 12 positive divisors. The sum of these divisors (counting 28420172) is 1, the average is 0.083333333333333.

Base conversion 28420172

Base System Value
2 Binary 1101100011010100001001100
3 Ternary 1222110220010222
4 Quaternary 1230122201030
5 Quinary 24233421142
6 Senary 2453050512
8 Octal 154324114
10 Decimal 28420172
12 Duodecimal 9626a38
16 Hexadecimal 1b1a84c
20 Vigesimal 8hca8c
36 Base36 gx558

Cryptographic Hash Functions

md5 c207a806a5bde43df3a2e8f9b17c7aa3
sha1 5720acbbe76b18e2393af1ae80923299bb0862fa
sha256 f77c45c073c57d3c9e099a15bedf0707087fdd553566badbf98c9f2e56759e5f
sha512 f475a09320a79b8cdcbd2fc6a3ab03e33351a35a90b04bfe22c75926f354675a0584e456475b6eda6e9fd676b35568506501b4c1bba2643e073a06e02f5be2ec
ripemd-160 98a6dcfc2c13dcdbfaf482ac821c5eedc749955b

28420172 as geometric shapes

Circle

Radius = n
Diameter 56840344
Circumference 178569207.13792
Area 2.5374837903816E+15

Sphere

Radius = n
Volume 9.6154301026476E+22
Surface area 1.0149935161526E+16
Circumference 178569207.13792

Square

Length = n
Perimeter 113680688
Area 807706176509584
Diagonal 40192192.687376

Cube

Length = n
Surface area 4846237059057504
Volume 2.2955148461865E+22
Space diagonal 49225181.863846

Equilateral Triangle

Length = n
Perimeter 85260516
Area 3.4974703382545E+14
Altitude 24612590.931923

Triangular Pyramid

Length = n
Surface area 3.4974703382545E+14
Volume 2.7052901900881E+21
Height 13397397.562459