28420105 (number)

28420105 is an odd 8-digits composite number following 28420104 and preceding 28420106. In scientific notation, it is written as 2.8420105 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 18461952 positive integers (up to 28420105) that are relatively prime to 28420105.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8420105 × 10^7
Engineering notation 2.8420105 × 10^6

Prime Factorization of 28420105

Prime Factorization 7 × 5 × 19 × 42737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28420105
Product of the distinct prime numbers

The prime factorization of 28420105 is 7 × 5 × 19 × 42737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 41, 15, 422, 349, 7277, 639, 24644, 91177, 702490, 528636, 1291977, 1896398, 8734165, 93507039, 470393861, 940515718, 4629810011, 6913237275

Basic calculations (n = 28420105)

Multiplication

n×y
n×2 56840210
n×3 85260315
n×4 113680420
n×5 142100525

Division

n÷y
n÷2 14210052.5
n÷3 9473368.3333333
n÷3 7105026.25
n÷5 5684021

Exponentiation

ny
n2 807702368211025
n3 2.2954986113306E+22
n4 6.523831156137E+29
n5 1.8540796645968E+37

Nth Root

y√n
2√n 5331.0510220781
3√n 305.17003866185
4√n 73.01404674498
5√n 30.954595670608

Divisors of 28420105

1, 5, 7, 19, 35, 95, 133, 665, 42737, 213685, 299159, 812003, 1495795, 4060015, 5684021, 28420105

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 -28420104
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 28420105 can be divided by 16 positive divisors. The sum of these divisors (counting 28420105) is 1, the average is 0.0625.

Base conversion 28420105

Base System Value
2 Binary 1101100011010100000001001
3 Ternary 1222110220001111
4 Quaternary 1230122200021
5 Quinary 24233420410
6 Senary 2453050321
8 Octal 154324011
10 Decimal 28420105
12 Duodecimal 96269a1
16 Hexadecimal 1b1a809
20 Vigesimal 8hca55
36 Base36 gx53d

Cryptographic Hash Functions

md5 1316add472586fd273d831ebb99a9e97
sha1 96d3314f42e0a57d326d4cf25f07cb32e0c13bc6
sha256 e391e5a46289f629323ebea65dad26036e235e73aaf13599ffe2ad43f217aac0
sha512 71ce805184b2861c5cc10647463730b042c04b1be5fdcd22a94ac0962a4f4836e71e0d829c4b6eefabe7f4f4f02f7c5368368056b91a4afa957523419bc6b059
ripemd-160 475c6ddd47cc049be28fdeb13ad8ade5bfaa9bb4

28420105 as geometric shapes

Circle

Radius = n
Diameter 56840210
Circumference 178568786.1645
Area 2.5374718262588E+15

Sphere

Radius = n
Volume 9.6153620982424E+22
Surface area 1.0149887305035E+16
Circumference 178568786.1645

Square

Length = n
Perimeter 113680420
Area 807702368211025
Diagonal 40192097.935067

Cube

Length = n
Surface area 4846214209266150
Volume 2.2954986113306E+22
Space diagonal 49225065.816442

Equilateral Triangle

Length = n
Perimeter 85260315
Area 3.497453847838E+14
Altitude 24612532.908221

Triangular Pyramid

Length = n
Surface area 3.497453847838E+14
Volume 2.705271057127E+21
Height 13397365.978356