12005145 is an odd 8-digits composite number following 12005144
and preceding 12005146 . In scientific notation, it is written as 1.2005145 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 6024960 positive integers (up to 12005145) that are relatively prime to 12005145.
12005145 has 16 divisors, whose sum is 17328384
The reverse of 12005145 is 54150021
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twelve million five thousand one hundred forty-five
Scientific notation
1.2005145 × 10^7
Engineering notation
1.2005145 × 10^6
Prime Factorization
3 × 45 × 17 × 5231
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12005145
Product of the distinct prime numbers
The prime factorization of 12005145 is 3 × 45 × 17 × 5231.
Since it has a total of 4 prime factors.
10 , 4 , 42 , 78 , 555 , 983 , 8508 , 6760 , 18506 , 58737 , 410157 , 958080 , 8607197 , 1191737 , 29989613 , 30680565 , 138048822 , 358222218 , 1249546564 , 1047280134
n×2
24010290
n×3
36015435
n×4
48020580
n×5
60025725
n÷2
6002572.5
n÷3
4001715
n÷3
3001286.25
n÷5
2401029
n2
144123506471025
n3
1.7302235930931E+21
n4
2.0771585117504E+28
n5
2.4936589121547E+35
2 √n
3464.8441523393
3 √n
228.97556358435
4 √n
58.862926807451
5 √n
26.053944398157
1 , 3 , 17 , 45 , 51 , 135 , 765 , 2295 , 5231 , 15693 , 88927 , 235395 , 266781 , 706185 , 4001715 , 12005145
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
-12005144
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 12005145 can be divided by 16 positive divisors.
The sum of these divisors (counting 12005145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101101110010111100011001
3
Ternary
211120220222000
4
Quaternary
231302330121
5
Quinary
11033131040
6
Senary
1105151213
8
Octal
55627431
10
Decimal
12005145
12
Duodecimal
402b509
16
Hexadecimal
b72f19
20
Vigesimal
3f0ch5
36
Base36
75b89
md5
040b4fedc3fd4121e6aae4d67f30784b
sha1
43e0d2a563f8f762b87d39c3cff97a1ead859d64
sha256
fe136000318deb87584f0d47eab933417179191cbd7caa0cf5223323b157e3c8
sha512
37d192a60e01ce58fd172de33a038e542e464e28552ae67a868b1c160e8cda14815295102660c251e188c0f04aa3522c325d2963f0ab4de9aa0ec244a8e69e53
ripemd-160
ca78314c35f23bfc9b0b1dd25f22ef107cd96b8e
Diameter
24010290
Circumference
75430550.67456
Area
4.5277734913897E+14
Volume
7.2475436388387E+21
Surface area
1.8111093965559E+15
Circumference
75430550.67456
Perimeter
48020580
Area
144123506471025
Diagonal
16977838.877256
Surface area
864741038826150
Volume
1.7302235930931E+21
Space diagonal
20793521.092231
Perimeter
36015435
Area
62407308943199
Altitude
10396760.546116
Surface area
62407308943199
Volume
2.0390880594085E+20
Height
5659279.6257519