20145025 is an odd 8-digits composite number following 20145024
and preceding 20145026 . In scientific notation, it is written as 2.0145025 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 16058000 positive integers (up to 20145025) that are relatively prime to 20145025.
20145025 has 12 divisors, whose sum is 25069824
The reverse of 20145025 is 52054102
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred forty-five thousand twenty-five
Scientific notation
2.0145025 × 10^7
Engineering notation
2.0145025 × 10^6
Prime Factorization
5 × 5 × 311 × 2591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4029005
Product of the distinct prime numbers
The prime factorization of 20145025 is 5 × 5 × 311 × 2591.
Since it has a total of 4 prime factors.
9 , 2 , 64 , 20 , 400 , 396 , 1755 , 7943 , 50200 , 46562 , 881916 , 310874 , 9622157 , 7314401 , 12925561 , 28241884 , 81893991 , 181364779 , 8665267359 , 4088560739
n×2
40290050
n×3
60435075
n×4
80580100
n×5
100725125
n÷2
10072512.5
n÷3
6715008.3333333
n÷3
5036256.25
n÷5
4029005
n2
405822032250625
n3
8.1752949852396E+21
n4
1.6469152186003E+29
n5
3.3177148251583E+36
2 √n
4488.3209555467
3 √n
272.09627953338
4 √n
66.994932312427
5 √n
28.895722781409
1 , 5 , 25 , 311 , 1555 , 2591 , 7775 , 12955 , 64775 , 805801 , 4029005 , 20145025
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
-20145024
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 20145025 can be divided by 12 positive divisors.
The sum of these divisors (counting 20145025) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110110001110000001
3
Ternary
1101220110210001
4
Quaternary
1030312032001
5
Quinary
20124120100
6
Senary
1555440001
8
Octal
114661601
10
Decimal
20145025
12
Duodecimal
68b6001
16
Hexadecimal
1336381
20
Vigesimal
65i2b5
36
Base36
bzs01
md5
8e6c63c070becb5f734e263d268698ac
sha1
50d6b74f07f6431b695f06120c683ecd8556a536
sha256
452a022108896884e79381d7a98797b4fcf9469b5bb9a1aaa316623f855181af
sha512
03aaea6dc1989aea3c35f3af0cf34e5f9e8a07560e7a9c374f3dbafdad456c7ef35390e8af6bd437a93bf266cd9b8a260dfd4bfa1cac40028324f2afcaf46c6d
ripemd-160
a20246856763f28eaf535c36ee7a49324de64230
Diameter
40290050
Circumference
126574925.09277
Area
1.2749275151834E+15
Volume
3.4244595555411E+22
Surface area
5.0997100607338E+15
Circumference
126574925.09277
Perimeter
80580100
Area
405822032250625
Diagonal
28489367.569345
Surface area
2434932193503750
Volume
8.1752949852396E+21
Space diagonal
34892206.819745
Perimeter
60435075
Area
1.7572609467223E+14
Altitude
17446103.409873
Surface area
1.7572609467223E+14
Volume
9.6346775371056E+20
Height
9496455.8564484