27445 is an odd 5-digits composite number following 27444
and preceding 27446 . In scientific notation, it is written as 2.7445 × 10^4.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 19920 positive integers (up to 27445) that are relatively prime to 27445.
27445 has 8 divisors, whose sum is 36000
The reverse of 27445 is 54472
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 22
Digital Root 4
Name
twenty-seven thousand four hundred forty-five
Scientific notation
2.7445 × 10^4
Engineering notation
2.7445 × 10^3
Prime Factorization
5 × 11 × 499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27445
Product of the distinct prime numbers
The prime factorization of 27445 is 5 × 11 × 499.
Since it has a total of 3 prime factors.
2 , 7 , 45 , 85 , 166 , 44 , 2149 , 1626 , 87444 , 83960 , 749186 , 86432 , 306870 , 5303305 , 71860146 , 77184731 , 264723638 , 103878716 , 4039305113 , 4488833310
n×2
54890
n×3
82335
n×4
109780
n×5
137225
n÷2
13722.5
n÷3
9148.3333333333
n÷3
6861.25
n÷5
5489
n2
753228025
n3
20672343146125
n4
567352457645400625
n5
1.5570988200078E+22
2 √n
165.66532527961
3 √n
30.163917551472
4 √n
12.871104275843
5 √n
7.721339475667
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
-27444
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 27445 can be divided by 8 positive divisors.
The sum of these divisors (counting 27445) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101100110101
3
Ternary
1101122111
4
Quaternary
12230311
5
Quinary
1334240
6
Senary
331021
8
Octal
65465
10
Decimal
27445
12
Duodecimal
13a71
16
Hexadecimal
6b35
20
Vigesimal
38c5
36
Base36
l6d
md5
2ab7d3b23574c3dea2bd278afd0939ab
sha1
2ff657a1f0513d956497ffc5f2aea4aab887886a
sha256
d068803caf7a5e4ea0169d26620bfb2a047f516e5f724a7cd4a16bd40f86052e
sha512
cf7f2f7a66dd2c5de3583372fa947b4cd5100b694e9c2f957535faa9aede1922cbb408b447082a65a2171f13bafb76acf7bebcfc3bf0654b8f9b14f701cbb49b
ripemd-160
61258c6149d8bf5baa56a743211f4aedf5c79ed3
Diameter
54890
Circumference
172442.02075554
Area
2366335629.8179
Volume
86592108480471
Surface area
9465342519.2718
Circumference
172442.02075554
Perimeter
109780
Area
753228025
Diagonal
38813.09121933
Surface area
4519368150
Volume
20672343146125
Space diagonal
47536.134413728
Perimeter
82335
Area
326157302.24619
Altitude
23768.067206864
Surface area
326157302.24619
Volume
2436259003606.7
Height
12937.69707311