12912255 is an odd 8-digits composite number following 12912254
and preceding 12912256 . In scientific notation, it is written as 1.2912255 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6725376 positive integers (up to 12912255) that are relatively prime to 12912255.
12912255 has 16 divisors, whose sum is 18793984
The reverse of 12912255 is 55221921
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred twelve thousand two hundred fifty-five
Scientific notation
1.2912255 × 10^7
Engineering notation
1.2912255 × 10^6
Prime Factorization
15 × 3 × 43 × 6673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12912255
Product of the distinct prime numbers
The prime factorization of 12912255 is 15 × 3 × 43 × 6673.
Since it has a total of 4 prime factors.
7 , 10 , 17 , 87 , 74 , 238 , 5818 , 8515 , 7874 , 47991 , 503959 , 88244 , 291661 , 4651088 , 84339230 , 81721524 , 789478568 , 949017210 , 4293110588 , 9339669959
n×2
25824510
n×3
38736765
n×4
51649020
n×5
64561275
n÷2
6456127.5
n÷3
4304085
n÷3
3228063.75
n÷5
2582451
n2
166726329185025
n3
2.152812877651E+21
n4
2.7797668843513E+28
n5
3.58930588513E+35
2 √n
3593.3626312968
3 √n
234.60325390184
4 √n
59.944663076013
5 √n
26.436284613234
1 , 3 , 15 , 43 , 45 , 129 , 645 , 1935 , 6673 , 20019 , 100095 , 286939 , 300285 , 860817 , 4304085 , 12912255
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
-12912254
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 12912255 can be divided by 16 positive divisors.
The sum of these divisors (counting 12912255) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010000011001111111
3
Ternary
220022000021200
4
Quaternary
301100121333
5
Quinary
11301143010
6
Senary
1140430543
8
Octal
61203177
10
Decimal
12912255
12
Duodecimal
43a8453
16
Hexadecimal
c5067f
20
Vigesimal
40e0cf
36
Base36
7or5r
md5
9b364278f9cd24ed6c5887aa0bcd15a0
sha1
bf4a169b8780404a682f8ecb66b59dee3ffbce23
sha256
f1595cd9573b03359e0181e6a79ebab6fa31a8ec09030006d875a2021f0b3631
sha512
145969ad0b9d1d5a7e542c0dcb25d7c4173b149552167b1f5986f1fe0500e6bdf353b27f9bba924322e2d91e8561c2324fb40295a0f55d76b569205f0ffd3826
ripemd-160
d9fc16eec49f632997b5ce0639e5afe0d5841335
Diameter
25824510
Circumference
81130090.898556
Area
5.2378621092767E+14
Volume
9.0176814946424E+21
Surface area
2.0951448437107E+15
Circumference
81130090.898556
Perimeter
51649020
Area
166726329185025
Diagonal
18260686.14182
Surface area
1000357975110150
Volume
2.152812877651E+21
Space diagonal
22364681.700285
Perimeter
38736765
Area
72194618276979
Altitude
11182340.850143
Surface area
72194618276979
Volume
2.5371143073546E+20
Height
6086895.3806066