12911191 is an odd 8-digits prime number following 12911190
and preceding 12911192 . In scientific notation, it is written as 1.2911191 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 12911190 positive integers (up to 12911191) that are relatively prime to 12911191.
12911191 has 2 divisors, whose sum is 12911192
The reverse of 12911191 is 19111921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million nine hundred eleven thousand one hundred ninety-one
Scientific notation
1.2911191 × 10^7
Engineering notation
1.2911191 × 10^6
Prime Factorization
12911191
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12911191
Product of the distinct prime numbers
The prime factorization of 12911191 is 12911191.
Since it has a total of 1 prime factors.
10 , 7 , 12 , 43 , 267 , 197 , 5060 , 4616 , 47490 , 3331 , 386949 , 57770 , 5945549 , 1023597 , 98093976 , 9042694 , 932545856 , 989889174 , 7526238233 , 9753379696
n×2
25822382
n×3
38733573
n×4
51644764
n×5
64555955
n÷2
6455595.5
n÷3
4303730.3333333
n÷3
3227797.75
n÷5
2582238.2
n2
166698853038481
n3
2.1522807310608E+21
n4
2.7788507604345E+28
n5
3.5878272928465E+35
2 √n
3593.2145775058
3 √n
234.59680977263
4 √n
59.943428142756
5 √n
26.435848916541
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12911192
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6455596
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3593.2147166569
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998450956
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12911191 can be divided by 2 positive divisors.
The sum of these divisors (counting 12911191) is 12911192, the average is 6455596.
Base
System
Value
2
Binary
110001010000001001010111
3
Ternary
220021221211021
4
Quaternary
301100021113
5
Quinary
11301124231
6
Senary
1140422011
8
Octal
61201127
10
Decimal
12911191
12
Duodecimal
43a7907
16
Hexadecimal
c50257
20
Vigesimal
40dhjb
36
Base36
7oqc7
md5
ed794e859e08b1ea8138dedd86917a1d
sha1
dce079f6d0a2df1be42435fde457ce8f310729c4
sha256
5798c14cd8ef89ae6ab1e7eba45e2923e378a63bec83faa6d1c366561d233551
sha512
c446b20685d668d73be501357195161f7c2d1b56f217feeaa78a4b9ae2cfe040d8a83e6e87f7caffb938bda85df65289687d4bcfee3bc8d18d90bf237a3f767e
ripemd-160
1631732c934bf7d30c95e8a2f2b78296d96018bb
Diameter
25822382
Circumference
81123405.589389
Area
5.2369989206754E+14
Volume
9.0154524442178E+21
Surface area
2.0947995682701E+15
Circumference
81123405.589389
Perimeter
51644764
Area
166698853038481
Diagonal
18259181.418589
Surface area
1000193118230886
Volume
2.1522807310608E+21
Space diagonal
22362838.798226
Perimeter
38733573
Area
72182720756527
Altitude
11181419.399113
Surface area
72182720756527
Volume
2.5364871665837E+20
Height
6086393.8061965