28667989 (number)

28667989 is an odd 8-digits composite number following 28667988 and preceding 28667990. In scientific notation, it is written as 2.8667989 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 6 positive divisors. There are 24572520 positive integers (up to 28667989) that are relatively prime to 28667989.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 2.8667989 × 10^7
Engineering notation 2.8667989 × 10^6

Prime Factorization of 28667989

Prime Factorization 7 × 7 × 585061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 4095427
Product of the distinct prime numbers

The prime factorization of 28667989 is 7 × 7 × 585061. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28667989)

Multiplication

n×y
n×2 57335978
n×3 86003967
n×4 114671956
n×5 143339945

Division

n÷y
n÷2 14333994.5
n÷3 9555996.3333333
n÷3 7166997.25
n÷5 5733597.8

Exponentiation

ny
n2 821853593304121
n3 2.3560889772453E+22
n4 6.754433288269E+29
n5 1.9363601920933E+37

Nth Root

y√n
2√n 5354.2496206285
3√n 306.05471631801
4√n 73.172738233774
5√n 31.00840629336

Divisors of 28667989

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28667988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28667989 can be divided by 6 positive divisors. The sum of these divisors (counting 28667989) is 1, the average is 0.16666666666667.

Base conversion 28667989

Base System Value
2 Binary 1101101010111000001010101
3 Ternary 1222221111002101
4 Quaternary 1231113001111
5 Quinary 24314333424
6 Senary 2502242101
8 Octal 155270125
10 Decimal 28667989
12 Duodecimal 9726331
16 Hexadecimal 1b57055
20 Vigesimal 8j39j9
36 Base36 h2gd1

Cryptographic Hash Functions

md5 abd3ca0d72974668558835af1aea7fa6
sha1 0fbaf3aa40e35ba76a537a305dd4855681388690
sha256 e5daa87b4bbaec386189698d4d324e77114d1a711ed19afeb068fcee6f420ee1
sha512 49331a238dcc02f66e8c8c96bc2fe604c6a707b60e4c8f447f7b23df41000e8f84899268c98bf0d9116c6c33d3a898dbd75b06b7ea08d765c9b0f0a2dfae52d7
ripemd-160 55ae406c55a9d957c7f1f03649d4b90b144a1da7

28667989 as geometric shapes

Circle

Radius = n
Diameter 57335978
Circumference 180126287.27119
Area 2.5819292110506E+15

Sphere

Radius = n
Volume 9.8691624294903E+22
Surface area 1.0327716844202E+16
Circumference 180126287.27119

Square

Length = n
Perimeter 114671956
Area 821853593304121
Diagonal 40542658.849763

Cube

Length = n
Surface area 4931121559824726
Volume 2.3560889772453E+22
Space diagonal 49654413.498826

Equilateral Triangle

Length = n
Perimeter 86003967
Area 3.5587304499645E+14
Altitude 24827206.749413

Triangular Pyramid

Length = n
Surface area 3.5587304499645E+14
Volume 2.7766774881484E+21
Height 13514219.616588