12781271 is an odd 8-digits prime number following 12781270
and preceding 12781272 . In scientific notation, it is written as 1.2781271 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 12781270 positive integers (up to 12781271) that are relatively prime to 12781271.
12781271 has 2 divisors, whose sum is 12781272
The reverse of 12781271 is 17218721
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million seven hundred eighty-one thousand two hundred seventy-one
Scientific notation
1.2781271 × 10^7
Engineering notation
1.2781271 × 10^6
Prime Factorization
12781271
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12781271
Product of the distinct prime numbers
The prime factorization of 12781271 is 12781271.
Since it has a total of 1 prime factors.
1 , 1 , 37 , 29 , 65 , 414 , 5313 , 3940 , 45161 , 90159 , 610133 , 462341 , 2201760 , 6253944 , 51016344 , 66003401 , 518736459 , 185259060 , 2344098301 , 3225690783
n×2
25562542
n×3
38343813
n×4
51125084
n×5
63906355
n÷2
6390635.5
n÷3
4260423.6666667
n÷3
3195317.75
n÷5
2556254.2
n2
163360888375441
n3
2.0879597851273E+21
n4
2.6686779850813E+28
n5
3.4109096539058E+35
2 √n
3575.0903485087
3 √n
233.80727184827
4 √n
59.792059242919
5 √n
26.382430859063
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12781272
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6390636
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3575.0904883653
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998435211
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12781271 can be divided by 2 positive divisors.
The sum of these divisors (counting 12781271) is 12781272, the average is 6390636.
Base
System
Value
2
Binary
110000110000011011010111
3
Ternary
220001100121102
4
Quaternary
300300123113
5
Quinary
11233000041
6
Senary
1133540315
8
Octal
60603327
10
Decimal
12781271
12
Duodecimal
434469b
16
Hexadecimal
c306d7
20
Vigesimal
3jhd3b
36
Base36
7ly3b
md5
ca74edbf06dc5f432305090c6d291a9c
sha1
9f37ec087a8d8664bd673976c24e08be8966f03d
sha256
c5791f3c1b984ab8da575d66bce841bc7a2e3f7773a53b7dda2385886aed9233
sha512
d3d9e57a3695f7e8766fb3797ee89452f97fdd6e99bf8e80338d1f87595f75a72635369d20ebb49f5b5701490f1bde0b47b459d9551517322671dea0c6220731
ripemd-160
20c7c0e15ea21e27257eaff99c3d4879977ffa16
Diameter
25562542
Circumference
80307094.154281
Area
5.1321336680419E+14
Volume
8.746025495929E+21
Surface area
2.0528534672168E+15
Circumference
80307094.154281
Perimeter
51125084
Area
163360888375441
Diagonal
18075446.792566
Surface area
980165330252646
Volume
2.0879597851273E+21
Space diagonal
22137810.757307
Perimeter
38343813
Area
70737339658963
Altitude
11068905.378653
Surface area
70737339658963
Volume
2.4606842048472E+20
Height
6025148.9308553