12971215 is an odd 8-digits composite number following 12971214
and preceding 12971216 . In scientific notation, it is written as 1.2971215 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10376968 positive integers (up to 12971215) that are relatively prime to 12971215.
12971215 has 4 divisors, whose sum is 15565464
The reverse of 12971215 is 51217921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million nine hundred seventy-one thousand two hundred fifteen
Scientific notation
1.2971215 × 10^7
Engineering notation
1.2971215 × 10^6
Prime Factorization
5 × 2594243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12971215
Product of the distinct prime numbers
The prime factorization of 12971215 is 5 × 2594243.
Since it has a total of 2 prime factors.
10 , 6 , 17 , 11 , 539 , 923 , 1071 , 4144 , 44636 , 21999 , 488575 , 182587 , 7530751 , 4200591 , 6643393 , 57736822 , 608492622 , 539994592 , 3954524826 , 5168964252
n×2
25942430
n×3
38913645
n×4
51884860
n×5
64856075
n÷2
6485607.5
n÷3
4323738.3333333
n÷3
3242803.75
n÷5
2594243
n2
168252418576225
n3
2.1824382956222E+21
n4
2.8308876356749E+28
n5
3.6720052163181E+35
2 √n
3601.557302057
3 √n
234.9597939364
4 √n
60.012976113979
5 √n
26.460383335088
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12971214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12971215 can be divided by 4 positive divisors.
The sum of these divisors (counting 12971215) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011110110011001111
3
Ternary
220102000011101
4
Quaternary
301132303033
5
Quinary
11310034330
6
Senary
1142003531
8
Octal
61366317
10
Decimal
12971215
12
Duodecimal
44165a7
16
Hexadecimal
c5eccf
20
Vigesimal
41180f
36
Base36
7q0nj
md5
3ab9ab112bbc6ac5047b709f847eb3e8
sha1
b7a4b62aa55e7b421b1cb2bdc7a744004a271bd3
sha256
3673aab7dd57911988886a7a492849e84f20793244815fa10841a17ec0ed3806
sha512
15c430af002ec4916396c46daf0b9ea86bfd4ba1f3a3d093c23ccc5a087ec0c7dfd2b81668a7e055c45638e2cfb7ca0a9f95962f7de20c879cafd02c1f994b42
ripemd-160
f3ffa7058d75a27bb6d7aa27d6aec20e8560ed49
Diameter
25942430
Circumference
81500547.504267
Area
5.2858056214778E+14
Volume
9.141776155253E+21
Surface area
2.1143222485911E+15
Circumference
81500547.504267
Perimeter
51884860
Area
168252418576225
Diagonal
18344068.173457
Surface area
1009514511457350
Volume
2.1824382956222E+21
Space diagonal
22466803.4159
Perimeter
38913645
Area
72855434367592
Altitude
11233401.70795
Surface area
72855434367592
Volume
2.5720281972595E+20
Height
6114689.3911524