28386989 (number)

28386989 is an odd 8-digits composite number following 28386988 and preceding 28386990. In scientific notation, it is written as 2.8386989 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 28358880 positive integers (up to 28386989) that are relatively prime to 28386989.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.8386989 × 10^7
Engineering notation 2.8386989 × 10^6

Prime Factorization of 28386989

Prime Factorization 1049 × 27061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28386989
Product of the distinct prime numbers

The prime factorization of 28386989 is 1049 × 27061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28386989)

Multiplication

n×y
n×2 56773978
n×3 85160967
n×4 113547956
n×5 141934945

Division

n÷y
n÷2 14193494.5
n÷3 9462329.6666667
n÷3 7096747.25
n÷5 5677397.8

Exponentiation

ny
n2 805821144486121
n3 2.2874835964495E+22
n4 6.4934771690092E+29
n5 1.8433026496842E+37

Nth Root

y√n
2√n 5327.9441626203
3√n 305.05146135159
4√n 72.992767878882
5√n 30.947378452287

Divisors of 28386989

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 -28386988
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 28386989 can be divided by 4 positive divisors. The sum of these divisors (counting 28386989) is 1, the average is 0.25.

Base conversion 28386989

Base System Value
2 Binary 1101100010010011010101101
3 Ternary 1222102012121222
4 Quaternary 1230102122231
5 Quinary 24231340424
6 Senary 2452233125
8 Octal 154223255
10 Decimal 28386989
12 Duodecimal 960b7a5
16 Hexadecimal 1b126ad
20 Vigesimal 8h8799
36 Base36 gwfjh

Cryptographic Hash Functions

md5 496f7b9181df69acd0a2952ad3d5b39b
sha1 90997b480fdb7e3733a2f0494ee7cf468736de5c
sha256 48a5d212f17e98ce11c13153da7882b6b8b6d7318022a4c8a5fac27fe319a27b
sha512 bcb9b1cbdd4bbe9347a66354ebb3cc6184dcaf43e20d7b32d0247793d443ac713c33772379938cbcc4fc68bb10f0f4ed5f23d05a9522102648c0a81d1c9ef7c6
ripemd-160 7bfcce73390b8087a413c8c1fc63226eb3f0ffe2

28386989 as geometric shapes

Circle

Radius = n
Diameter 56773978
Circumference 178360712.19987
Area 2.5315617876249E+15

Sphere

Radius = n
Volume 9.5817888824172E+22
Surface area 1.01262471505E+16
Circumference 178360712.19987

Square

Length = n
Perimeter 113547956
Area 805821144486121
Diagonal 40145264.838736

Cube

Length = n
Surface area 4834926866916726
Volume 2.2874835964495E+22
Space diagonal 49167707.221899

Equilateral Triangle

Length = n
Perimeter 85160967
Area 3.4893079101582E+14
Altitude 24583853.610949

Triangular Pyramid

Length = n
Surface area 3.4893079101582E+14
Volume 2.695825271504E+21
Height 13381754.946245