12912591 is an odd 8-digits composite number following 12912590
and preceding 12912592 . In scientific notation, it is written as 1.2912591 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 8234072 positive integers (up to 12912591) that are relatively prime to 12912591.
12912591 has 4 divisors, whose sum is 13099800
The reverse of 12912591 is 19521921
Previous prime number is 69
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million nine hundred twelve thousand five hundred ninety-one
Scientific notation
1.2912591 × 10^7
Engineering notation
1.2912591 × 10^6
Prime Factorization
69 × 187139
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12912591
Product of the distinct prime numbers
The prime factorization of 12912591 is 69 × 187139.
Since it has a total of 2 prime factors.
3 , 8 , 17 , 17 , 135 , 151 , 1966 , 692 , 58477 , 10203 , 214315 , 491660 , 9788791 , 4924048 , 59837886 , 13559346 , 100107370 , 982145783 , 1507201618 , 3960070521
n×2
25825182
n×3
38737773
n×4
51650364
n×5
64562955
n÷2
6456295.5
n÷3
4304197
n÷3
3228147.75
n÷5
2582518.2
n2
166735006333281
n3
2.1529809421641E+21
n4
2.7800562336959E+28
n5
3.5897729102716E+35
2 √n
3593.4093838582
3 √n
234.60528881646
4 √n
59.945053039081
5 √n
26.436422195696
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12912590
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12912591 can be divided by 4 positive divisors.
The sum of these divisors (counting 12912591) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010000011111001111
3
Ternary
220022000202010
4
Quaternary
301100133033
5
Quinary
11301200331
6
Senary
1140432303
8
Octal
61203717
10
Decimal
12912591
12
Duodecimal
43a8693
16
Hexadecimal
c507cf
20
Vigesimal
40e19b
36
Base36
7orf3
md5
0a295f1384bddbc14efd9c576bf4b096
sha1
f8c8fdedee0f5d087c0782c5c37f8d44626a0d71
sha256
46dcf33def8051eaafbe1cc8626130c3e630db3658ef36ca3659f7f92e026efa
sha512
ab80ce57b4e563a483cdeb173ccac45dc6e7597c8066306c1a34ac2ff2fd4a1ca7120f2f159f7421d972354feed13b0b45d3358ab295eb27dbe0018d9783456e
ripemd-160
86c9c29566f607bfa429e299ce5a6151ec6645b9
Diameter
25825182
Circumference
81132202.048819
Area
5.2381347099288E+14
Volume
9.0183854816286E+21
Surface area
2.0952538839715E+15
Circumference
81132202.048819
Perimeter
51650364
Area
166735006333281
Diagonal
18261161.317577
Surface area
1000410037999686
Volume
2.1529809421641E+21
Space diagonal
22365263.669357
Perimeter
38737773
Area
72198375592390
Altitude
11182631.834678
Surface area
72198375592390
Volume
2.5373123732827E+20
Height
6087053.7725256