12912155 is an odd 8-digits composite number following 12912154
and preceding 12912156 . In scientific notation, it is written as 1.2912155 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 10063872 positive integers (up to 12912155) that are relatively prime to 12912155.
12912155 has 16 divisors, whose sum is 15899520
The reverse of 12912155 is 55121921
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million nine hundred twelve thousand one hundred fifty-five
Scientific notation
1.2912155 × 10^7
Engineering notation
1.2912155 × 10^6
Prime Factorization
5 × 97 × 79 × 337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12912155
Product of the distinct prime numbers
The prime factorization of 12912155 is 5 × 97 × 79 × 337.
Since it has a total of 4 prime factors.
2 , 3 , 56 , 50 , 737 , 525 , 2593 , 921 , 21021 , 90415 , 717949 , 141936 , 7363395 , 9056386 , 32732723 , 40580643 , 556309869 , 273883325 , 6040535001 , 9622816118
n×2
25824310
n×3
38736465
n×4
51648620
n×5
64560775
n÷2
6456077.5
n÷3
4304051.6666667
n÷3
3228038.75
n÷5
2582431
n2
166723746744025
n3
2.1527628601396E+21
n4
2.7796807728366E+28
n5
3.5891668989386E+35
2 √n
3593.3487167265
3 √n
234.60264826567
4 √n
59.944547014107
5 √n
26.43624366552
1 , 5 , 79 , 97 , 337 , 395 , 485 , 1685 , 7663 , 26623 , 32689 , 38315 , 133115 , 163445 , 2582431 , 12912155
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
-12912154
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 12912155 can be divided by 16 positive divisors.
The sum of these divisors (counting 12912155) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010000011000011011
3
Ternary
220022000010222
4
Quaternary
301100120123
5
Quinary
11301142110
6
Senary
1140430255
8
Octal
61203033
10
Decimal
12912155
12
Duodecimal
43a838b
16
Hexadecimal
c5061b
20
Vigesimal
40e07f
36
Base36
7or2z
md5
b01cfe606d138839acf4eea6279e52df
sha1
db423cfbe6285364b58da100489f6e8b59ec1050
sha256
984c02659fdeb142dde136d227086fc27d5db55fde2fa88c870ff578685d8a59
sha512
4befe2e520d11a00cb0e6507c8cf895aa3dacc93579b25b752e00c4c6bc663547398f5e4e8462d97ac9c7ae433c25036f3d117c06eef122fd50a9227a3922dc9
ripemd-160
05b7dad844efcfdaa3403d18724a19c7ea0d0040
Diameter
25824310
Circumference
81129462.580025
Area
5.2377809794999E+14
Volume
9.0174719817807E+21
Surface area
2.0951123918E+15
Circumference
81129462.580025
Perimeter
51648620
Area
166723746744025
Diagonal
18260544.720464
Surface area
1000342480464150
Volume
2.1527628601396E+21
Space diagonal
22364508.495205
Perimeter
38736465
Area
72193500047224
Altitude
11182254.247602
Surface area
72193500047224
Volume
2.5370553611521E+20
Height
6086848.2401545