28542989 (number)

28542989 is an odd 8-digits composite number following 28542988 and preceding 28542990. In scientific notation, it is written as 2.8542989 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 27558720 positive integers (up to 28542989) that are relatively prime to 28542989.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred forty-two thousand nine hundred eighty-nine

Notation

Scientific notation 2.8542989 × 10^7
Engineering notation 2.8542989 × 10^6

Prime Factorization of 28542989

Prime Factorization 29 × 984241

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28542989
Product of the distinct prime numbers

The prime factorization of 28542989 is 29 × 984241. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28542989)

Multiplication

n×y
n×2 57085978
n×3 85628967
n×4 114171956
n×5 142714945

Division

n÷y
n÷2 14271494.5
n÷3 9514329.6666667
n÷3 7135747.25
n÷5 5708597.8

Exponentiation

ny
n2 814702221054121
n3 2.3254036533823E+22
n4 6.6373970899052E+29
n5 1.894511521258E+37

Nth Root

y√n
2√n 5342.5638976057
3√n 305.6092417746
4√n 73.092844366639
5√n 30.981318039848

Divisors of 28542989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28542988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28542989 can be divided by 4 positive divisors. The sum of these divisors (counting 28542989) is 1, the average is 0.25.

Base conversion 28542989

Base System Value
2 Binary 1101100111000100000001101
3 Ternary 1222201010121202
4 Quaternary 1230320200031
5 Quinary 24301333424
6 Senary 2455435245
8 Octal 154704015
10 Decimal 28542989
12 Duodecimal 9685b25
16 Hexadecimal 1b3880d
20 Vigesimal 8i7h99
36 Base36 gzrwt

Cryptographic Hash Functions

md5 3f657a2795b8d0636a003bd76f5d5ee8
sha1 919e7fad9cc4910ad597dffc136815e95742cf7e
sha256 ec33d7b28a7f54fa15349b7d51bd0c3079c8e1ab2faaaa0c04bf370de7de7920
sha512 21a695a6dee786fab97fc04a433fab75056b9f9b371d696624cbb196bb7bd8b8063023d5811cc7b69ff296192a01213de09833659d5054800d0cd818e4e21255
ripemd-160 0e952d13e0c7eddeb93d294a5a4e3eb23b6d632e

28542989 as geometric shapes

Circle

Radius = n
Diameter 57085978
Circumference 179340889.10779
Area 2.5594625125269E+15

Sphere

Radius = n
Volume 9.7406280454624E+22
Surface area 1.0237850050108E+16
Circumference 179340889.10779

Square

Length = n
Perimeter 114171956
Area 814702221054121
Diagonal 40365882.154466

Cube

Length = n
Surface area 4888213326324726
Volume 2.3254036533823E+22
Space diagonal 49437907.14788

Equilateral Triangle

Length = n
Perimeter 85628967
Area 3.5277640997624E+14
Altitude 24718953.57394

Triangular Pyramid

Length = n
Surface area 3.5277640997624E+14
Volume 2.740514487171E+21
Height 13455294.051489