12897439 is an odd 8-digits prime number following 12897438
and preceding 12897440 . In scientific notation, it is written as 1.2897439 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 12897438 positive integers (up to 12897439) that are relatively prime to 12897439.
12897439 has 2 divisors, whose sum is 12897440
The reverse of 12897439 is 93479821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million eight hundred ninety-seven thousand four hundred thirty-nine
Scientific notation
1.2897439 × 10^7
Engineering notation
1.2897439 × 10^6
Prime Factorization
12897439
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12897439
Product of the distinct prime numbers
The prime factorization of 12897439 is 12897439.
Since it has a total of 1 prime factors.
6 , 10 , 19 , 49 , 598 , 134 , 9186 , 1502 , 21067 , 29798 , 278823 , 103730 , 9909172 , 5560310 , 93821506 , 45417854 , 85063358 , 427279865 , 7938760320 , 4669653731
n×2
25794878
n×3
38692317
n×4
51589756
n×5
64487195
n÷2
6448719.5
n÷3
4299146.3333333
n÷3
3224359.75
n÷5
2579487.8
n2
166343932758721
n3
2.1454107257757E+21
n4
2.7670303965638E+28
n5
3.5687605750827E+35
2 √n
3591.3004608359
3 √n
234.51348873663
4 √n
59.927459989857
5 √n
26.430215032236
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12897440
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6448720
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3591.3006000612
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998449305
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897439 can be divided by 2 positive divisors.
The sum of these divisors (counting 12897439) is 12897440, the average is 6448720.
Base
System
Value
2
Binary
110001001100110010011111
3
Ternary
220021020221221
4
Quaternary
301030302133
5
Quinary
11300204224
6
Senary
1140234211
8
Octal
61146237
10
Decimal
12897439
12
Duodecimal
439b967
16
Hexadecimal
c4cc9f
20
Vigesimal
40c3bj
36
Base36
7ofq7
md5
efbc4b7e81e7b419fa5a2a0a188d01d2
sha1
165f2aee3631de2ca197add20222ddf227a19a32
sha256
dad704292f524973740a463d52e69e0cf5576b65c94a99375d10201d0c69e000
sha512
4bac1a872d355d7b953e44902bf99f6e9129778d12c942f1b0f5318deb4f93ee5b90e35a62cd9a517f9f0fb9bc1f69a3ed2869f95c6d457af6dfe040f65f9889
ripemd-160
889df6d3c0a7f7dd56473838e7a537734beee0fb
Diameter
25794878
Circumference
81036999.225045
Area
5.2258487712403E+14
Volume
8.9866754333729E+21
Surface area
2.0903395084961E+15
Circumference
81036999.225045
Perimeter
51589756
Area
166343932758721
Diagonal
18239733.15368
Surface area
998063596552326
Volume
2.1454107257757E+21
Space diagonal
22339019.63552
Perimeter
38692317
Area
72029035767231
Altitude
11169509.81776
Surface area
72029035767231
Volume
2.5283907877106E+20
Height
6079911.0512266