28163989 (number)

28163989 is an odd 8-digits composite number following 28163988 and preceding 28163990. In scientific notation, it is written as 2.8163989 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 24076176 positive integers (up to 28163989) that are relatively prime to 28163989.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-three thousand nine hundred eighty-nine

Notation

Scientific notation 2.8163989 × 10^7
Engineering notation 2.8163989 × 10^6

Prime Factorization of 28163989

Prime Factorization 7 × 389 × 10343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28163989
Product of the distinct prime numbers

The prime factorization of 28163989 is 7 × 389 × 10343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28163989)

Multiplication

n×y
n×2 56327978
n×3 84491967
n×4 112655956
n×5 140819945

Division

n÷y
n÷2 14081994.5
n÷3 9387996.3333333
n÷3 7040997.25
n÷5 5632797.8

Exponentiation

ny
n2 793210276392121
n3 2.2339965498995E+22
n4 6.2918254257406E+29
n5 1.7720290208048E+37

Nth Root

y√n
2√n 5306.9755039947
3√n 304.25056169152
4√n 72.848991097988
5√n 30.898602205431

Divisors of 28163989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28163988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28163989 can be divided by 8 positive divisors. The sum of these divisors (counting 28163989) is 1, the average is 0.125.

Base conversion 28163989

Base System Value
2 Binary 1101011011011111110010101
3 Ternary 1221222212201201
4 Quaternary 1223123332111
5 Quinary 24202221424
6 Senary 2443352501
8 Octal 153337625
10 Decimal 28163989
12 Duodecimal 9522731
16 Hexadecimal 1adbf95
20 Vigesimal 8g09j9
36 Base36 grnh1

Cryptographic Hash Functions

md5 f9a8c906325e1a8f64d4a603dd766381
sha1 c9624bc71b91b0846c3ef585a8322a80f822d516
sha256 7865e70bd24069f8b9e5e8df86933a954ea10ef58701ce91662cdf349890cc05
sha512 dd9d28d552102e1c3ab0d398e0250591f472647e5e7b36cce97ae3e92e39c61893f87d3eb6d862470ae0a33348f732031c5c501db6a86fd1dc39418c81b571bf
ripemd-160 dbfcfaf6a7a30bd44b26bf962157213cdf7e2358

28163989 as geometric shapes

Circle

Radius = n
Diameter 56327978
Circumference 176959561.87637
Area 2.4919435770654E+15

Sphere

Radius = n
Volume 9.3577428657455E+22
Surface area 9.9677743082617E+15
Circumference 176959561.87637

Square

Length = n
Perimeter 112655956
Area 793210276392121
Diagonal 39829895.214327

Cube

Length = n
Surface area 4759261658352726
Volume 2.2339965498995E+22
Space diagonal 48781459.891811

Equilateral Triangle

Length = n
Perimeter 84491967
Area 3.4347012494923E+14
Altitude 24390729.945905

Triangular Pyramid

Length = n
Surface area 3.4347012494923E+14
Volume 2.6327901826354E+21
Height 13276631.738109