12897128 is an even 8-digits composite number following 12897127
and preceding 12897129 . In scientific notation, it is written as 1.2897128 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors.
There are 6448560 positive integers (up to 12897128) that are relatively prime to 12897128.
12897128 has 8 divisors, whose sum is 24182130
The reverse of 12897128 is 82179821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million eight hundred ninety-seven thousand one hundred twenty-eight
Scientific notation
1.2897128 × 10^7
Engineering notation
1.2897128 × 10^6
Prime Factorization
2 × 2 × 2 × 1612141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3224282
Product of the distinct prime numbers
The prime factorization of 12897128 is 2 × 2 × 2 × 1612141.
Since it has a total of 4 prime factors.
3 , 1 , 9 , 38 , 452 , 73 , 7440 , 641 , 69298 , 91270 , 899368 , 405390 , 4221248 , 5566820 , 41028506 , 96262766 , 136101555 , 135606717 , 2548738375 , 2558349028
n×2
25794256
n×3
38691384
n×4
51588512
n×5
64485640
n÷2
6448564
n÷3
4299042.6666667
n÷3
3224282
n÷5
2579425.6
n2
166335910648384
n3
2.1452555306288E+21
n4
2.7667635171227E+28
n5
3.5683303226062E+35
2 √n
3591.2571614965
3 √n
234.51160375566
4 √n
59.927098724171
5 √n
26.43008756699
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897127
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897128 can be divided by 8 positive divisors.
The sum of these divisors (counting 12897128) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001100101101101000
3
Ternary
220021020112102
4
Quaternary
301030231220
5
Quinary
11300202003
6
Senary
1140232532
8
Octal
61145550
10
Decimal
12897128
12
Duodecimal
439b748
16
Hexadecimal
c4cb68
20
Vigesimal
40c2g8
36
Base36
7ofhk
md5
325ce265e3b497a084d5bdc3b63eb798
sha1
e065047b4513d5a9c50d239e246be814ec9bb48f
sha256
43d5d231726e878082de1fd17c38e701cff0919cbbcb7da8f7641bd2cdfce4ae
sha512
6c0822bd651cd822b62a9f081d10295a0fae820777388fd61fae47f2f2e06a34045e58479593fa48e9c3aa37b72c20207fa67c66b17afc8501758fc8e9e923c7
ripemd-160
67bdae3669609aaab92dfc962ba024596f9cd569
Diameter
25794256
Circumference
81035045.154414
Area
5.2255967492113E+14
Volume
8.9860253534616E+21
Surface area
2.0902386996845E+15
Circumference
81035045.154414
Perimeter
51588512
Area
166335910648384
Diagonal
18239293.333262
Surface area
998015463890304
Volume
2.1452555306288E+21
Space diagonal
22338480.967719
Perimeter
38691384
Area
72025562091560
Altitude
11169240.48386
Surface area
72025562091560
Volume
2.5282078884759E+20
Height
6079764.4444206