12912131 is an odd 8-digits composite number following 12912130
and preceding 12912132 . In scientific notation, it is written as 1.2912131 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 12175240 positive integers (up to 12912131) that are relatively prime to 12912131.
12912131 has 8 divisors, whose sum is 13665024
The reverse of 12912131 is 13121921
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twelve million nine hundred twelve thousand one hundred thirty-one
Scientific notation
1.2912131 × 10^7
Engineering notation
1.2912131 × 10^6
Prime Factorization
23 × 71 × 7907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12912131
Product of the distinct prime numbers
The prime factorization of 12912131 is 23 × 71 × 7907.
Since it has a total of 3 prime factors.
1 , 7 , 26 , 38 , 888 , 128 , 8014 , 3631 , 13699 , 51263 , 506683 , 570244 , 3616237 , 4620533 , 85547738 , 14951904 , 715366523 , 994312116 , 4156277699 , 4661923196
n×2
25824262
n×3
38736393
n×4
51648524
n×5
64560655
n÷2
6456065.5
n÷3
4304043.6666667
n÷3
3228032.75
n÷5
2582426.2
n2
166723126961161
n3
2.1527508560521E+21
n4
2.7796601063707E+28
n5
3.5891335428933E+35
2 √n
3593.3453772216
3 √n
234.60250291252
4 √n
59.944519159149
5 √n
26.436233838031
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
-12912130
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 12912131 can be divided by 8 positive divisors.
The sum of these divisors (counting 12912131) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010000011000000011
3
Ternary
220022000010002
4
Quaternary
301100120003
5
Quinary
11301142011
6
Senary
1140430215
8
Octal
61203003
10
Decimal
12912131
12
Duodecimal
43a836b
16
Hexadecimal
c50603
20
Vigesimal
40e06b
36
Base36
7or2b
md5
a4904186d2e99bf53870d0db093b4c67
sha1
529ae44ebb6edc9182ff98eabb4a2d1d104043de
sha256
38804baf085731bb13c419d6e2f312ec4bbb5c54830511e15dc9780c3f6b1d37
sha512
2a8110350ea5c2c8d910d3d620a2e7cc9c18f15a72b22ecb8851ae1ebb95820816ca59c39a9009e0ffd4b3810ee38414bdc50e5cc8c52069d32ee2a2bb9122f7
ripemd-160
757ca5006f8f2e80e320af441ceb5c4f02f23e42
Diameter
25824262
Circumference
81129311.783578
Area
5.237761508447E+14
Volume
9.0174216991767E+21
Surface area
2.0951046033788E+15
Circumference
81129311.783578
Perimeter
51648524
Area
166723126961161
Diagonal
18260510.779338
Surface area
1000338761766966
Volume
2.1527508560521E+21
Space diagonal
22364466.925985
Perimeter
38736393
Area
72193231673372
Altitude
11182233.462993
Surface area
72193231673372
Volume
2.5370412141994E+20
Height
6086836.926446