20425 is an odd 5-digits composite number following 20424
and preceding 20426 . In scientific notation, it is written as 2.0425 × 10^4.
The sum of its digits is 13. It has a total of 4 prime factors and 12 positive divisors.
There are 15120 positive integers (up to 20425) that are relatively prime to 20425.
20425 has 12 divisors, whose sum is 27280
The reverse of 20425 is 52402
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 13
Digital Root 4
Name
twenty thousand four hundred twenty-five
Scientific notation
2.0425 × 10^4
Engineering notation
2.0425 × 10^3
Prime Factorization
19 × 5 × 5 × 43
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4085
Product of the distinct prime numbers
The prime factorization of 20425 is 19 × 5 × 5 × 43.
Since it has a total of 4 prime factors.
5 , 4 , 73 , 46 , 838 , 976 , 896 , 8395 , 4146 , 12292 , 835360 , 397581 , 3551061 , 9481705 , 78798500 , 3300811 , 321883725 , 639787608 , 3700324330 , 6775033196
n×2
40850
n×3
61275
n×4
81700
n×5
102125
n÷2
10212.5
n÷3
6808.3333333333
n÷3
5106.25
n÷5
4085
n2
417180625
n3
8520914265625
n4
174039673875390625
n5
3.5547603389049E+21
2 √n
142.91605927956
3 √n
27.335101346407
4 √n
11.954750490059
5 √n
7.2783412352511
1 , 5 , 19 , 25 , 43 , 95 , 215 , 475 , 817 , 1075 , 4085 , 20425
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20424
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20425 can be divided by 12 positive divisors.
The sum of these divisors (counting 20425) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111111001001
3
Ternary
1001000111
4
Quaternary
10333021
5
Quinary
1123200
6
Senary
234321
8
Octal
47711
10
Decimal
20425
12
Duodecimal
b9a1
16
Hexadecimal
4fc9
20
Vigesimal
2b15
36
Base36
frd
md5
6e40bb76aed065932b7314cf7ea9629b
sha1
bb6064d35d0ad4cd5aea63d77b9f80acea5493d3
sha256
b49f98a98d1b0fb886a0b06e521d1fbbe5c849304619225c5c26a46644b01b6b
sha512
d64fd05abf9ba8dbefbac8c471c2f96ea06ce8769ed417316f76b5f8484f7b7648b0f68e68eb5fc1cb21b281870fdb39780f2d70beab72ad651293af2bd4a9f5
ripemd-160
fc671176b2e3661dce7943083f6c143d3e339537
Diameter
40850
Circumference
128334.05989914
Area
1310611586.72
Volume
35692322211675
Surface area
5242446346.88
Circumference
128334.05989914
Perimeter
81700
Area
417180625
Diagonal
28885.31201147
Surface area
2503083750
Volume
8520914265625
Space diagonal
35377.137744594
Perimeter
61275
Area
180644509.60833
Altitude
17688.568872297
Surface area
180644509.60833
Volume
1004199376522.1
Height
9628.4373371568