20145825 is an odd 8-digits composite number following 20145824
and preceding 20145826 . In scientific notation, it is written as 2.0145825 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 9208800 positive integers (up to 20145825) that are relatively prime to 20145825.
20145825 has 16 divisors, whose sum is 27016704
The reverse of 20145825 is 52854102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-five thousand eight hundred twenty-five
Scientific notation
2.0145825 × 10^7
Engineering notation
2.0145825 × 10^6
Prime Factorization
15 × 21 × 5 × 12791
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145825
Product of the distinct prime numbers
The prime factorization of 20145825 is 15 × 21 × 5 × 12791.
Since it has a total of 4 prime factors.
6 , 9 , 89 , 69 , 503 , 997 , 9316 , 3184 , 52398 , 26468 , 659613 , 9287 , 4831778 , 8333939 , 92609664 , 23812792 , 229712509 , 25436555 , 496380691 , 9091272646
n×2
40291650
n×3
60437475
n×4
80583300
n×5
100729125
n÷2
10072912.5
n÷3
6715275
n÷3
5036456.25
n÷5
4029165
n2
405854264930625
n3
8.176268996796E+21
n4
1.6471768436238E+29
n5
3.3183736435697E+36
2 √n
4488.4100748483
3 √n
272.09988131831
4 √n
66.995597428848
5 √n
28.895952279372
1 , 5 , 15 , 21 , 75 , 105 , 315 , 1575 , 12791 , 63955 , 191865 , 268611 , 959325 , 1343055 , 4029165 , 20145825
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145824
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145825 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145825) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110011010100001
3
Ternary
1101220111212200
4
Quaternary
1030312122201
5
Quinary
20124131300
6
Senary
1555443413
8
Octal
114663241
10
Decimal
20145825
12
Duodecimal
68b6569
16
Hexadecimal
13366a1
20
Vigesimal
65i4b5
36
Base36
bzsm9
md5
fdbd2a9a5ee5a3a38e302636b7275d2b
sha1
8ab4de9dbeeaa0d85649aada4cdb4ff32081e109
sha256
ad3b606c9b642ce77f1998c56f1211f3e42417ae9de56db625d77decf6f55aa9
sha512
b10b9d474df229bc6164a9b2c4e8c54a65465d2c921cab0578569cf20de774abd5454b65d544b94722c8059ddc5af1d078b1377ce6ad47430f191680067295b4
ripemd-160
ecbc216f4a9bf1e9b7a0a504d8901d093d9db8da
Diameter
40291650
Circumference
126579951.64101
Area
1.2750287771341E+15
Volume
3.4248675485478E+22
Surface area
5.1001151085365E+15
Circumference
126579951.64101
Perimeter
80583300
Area
405854264930625
Diagonal
28490498.940195
Surface area
2435125589583750
Volume
8.176268996796E+21
Space diagonal
34893592.460391
Perimeter
60437475
Area
1.7574005183209E+14
Altitude
17446796.230196
Surface area
1.7574005183209E+14
Volume
9.635825420733E+20
Height
9496832.980065