12891195 is an odd 8-digits composite number following 12891194
and preceding 12891196 . In scientific notation, it is written as 1.2891195 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6652800 positive integers (up to 12891195) that are relatively prime to 12891195.
12891195 has 16 divisors, whose sum is 17744640
The reverse of 12891195 is 59119821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million eight hundred ninety-one thousand one hundred ninety-five
Scientific notation
1.2891195 × 10^7
Engineering notation
1.2891195 × 10^6
Prime Factorization
5 × 9 × 31 × 9241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12891195
Product of the distinct prime numbers
The prime factorization of 12891195 is 5 × 9 × 31 × 9241.
Since it has a total of 4 prime factors.
8 , 8 , 9 , 6 , 345 , 858 , 3519 , 3292 , 50639 , 37351 , 838025 , 889437 , 5991489 , 6432664 , 75517715 , 11378549 , 849224297 , 953130 , 2844397018 , 1318877606
n×2
25782390
n×3
38673585
n×4
51564780
n×5
64455975
n÷2
6445597.5
n÷3
4297065
n÷3
3222798.75
n÷5
2578239
n2
166182908528025
n3
2.1422962795019E+21
n4
2.7616759086834E+28
n5
3.560130266564E+35
2 √n
3590.4310326199
3 √n
234.47563784778
4 √n
59.920205545541
5 √n
26.427655419739
1 , 5 , 9 , 31 , 45 , 155 , 279 , 1395 , 9241 , 46205 , 83169 , 286471 , 415845 , 1432355 , 2578239 , 12891195
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
-12891194
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 12891195 can be divided by 16 positive divisors.
The sum of these divisors (counting 12891195) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001011010000111011
3
Ternary
220020221101200
4
Quaternary
301023100323
5
Quinary
11300004240
6
Senary
1140145243
8
Octal
61132073
10
Decimal
12891195
12
Duodecimal
4398223
16
Hexadecimal
c4b43b
20
Vigesimal
40b7jf
36
Base36
7oawr
md5
b09fcdb9d8a19fb23adabeaafc6670f2
sha1
b63cbe0b21b553b795cce8c45e1981448fae11a8
sha256
dfd39574d77182edc18f3074b7dcfc56554b3b03c9d60d64e9b5203c0121be9e
sha512
6d648ebb7f88fdc72fa374e170f3a6625697e6743b214b04b217ac20000a73600cb19c1b020b5d68901e6f893697b37133921f1fb50c834bd3f4f3fa82b1813d
ripemd-160
decc3b4a2fd98ee05e9e6806c3f7f84ab4bd2dd1
Diameter
25782390
Circumference
80997767.015987
Area
5.2207900458383E+14
Volume
8.973629671328E+21
Surface area
2.0883160183353E+15
Circumference
80997767.015987
Perimeter
51564780
Area
166182908528025
Diagonal
18230902.804196
Surface area
997097451168150
Volume
2.1422962795019E+21
Space diagonal
22328204.710278
Perimeter
38673585
Area
71959310230028
Altitude
11164102.355139
Surface area
71959310230028
Volume
2.5247203775775E+20
Height
6076967.6013987