12881191 is an odd 8-digits composite number following 12881190
and preceding 12881192 . In scientific notation, it is written as 1.2881191 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 12436984 positive integers (up to 12881191) that are relatively prime to 12881191.
12881191 has 4 divisors, whose sum is 13325400
The reverse of 12881191 is 19118821
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million eight hundred eighty-one thousand one hundred ninety-one
Scientific notation
1.2881191 × 10^7
Engineering notation
1.2881191 × 10^6
Prime Factorization
29 × 444179
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12881191
Product of the distinct prime numbers
The prime factorization of 12881191 is 29 × 444179.
Since it has a total of 2 prime factors.
7 , 5 , 36 , 71 , 437 , 649 , 8785 , 8380 , 43114 , 14492 , 556451 , 493145 , 9558599 , 7471426 , 56365454 , 7171622 , 456828349 , 339072970 , 3893113831 , 9961451788
n×2
25762382
n×3
38643573
n×4
51524764
n×5
64405955
n÷2
6440595.5
n÷3
4293730.3333333
n÷3
3220297.75
n÷5
2576238.2
n2
165925081578481
n3
2.137312667503E+21
n4
2.7531132696826E+28
n5
3.5463377871416E+35
2 √n
3589.0376147374
3 √n
234.41496849629
4 √n
59.908577138315
5 √n
26.423552396383
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
-12881190
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 12881191 can be divided by 4 positive divisors.
The sum of these divisors (counting 12881191) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001000110100100111
3
Ternary
220020102200011
4
Quaternary
301020310213
5
Quinary
11244144231
6
Senary
1140031051
8
Octal
61106447
10
Decimal
12881191
12
Duodecimal
4392487
16
Hexadecimal
c48d27
20
Vigesimal
40a2jb
36
Base36
7o36v
md5
a50a52e179de5d7e9bacb119d184f411
sha1
478285c62876e04033f10f3e3a5965d5fce63da0
sha256
b6d42bc3e104de9a0d41ad2f17a029e04116194ca8fe0b610a8ef9a09d458118
sha512
5c659d3ac912c283bf6d0844cce80d945b743d61f548cd242abdd3976783961611dd671801d3db9df5d151f9d08f8cc5a56feff5e372c882a4c20796ec24142d
ripemd-160
1ed78ee745be0d3ba8f1110c832f86e5aef32089
Diameter
25762382
Circumference
80934910.030174
Area
5.2126901733324E+14
Volume
8.9527543662024E+21
Surface area
2.085076069333E+15
Circumference
80934910.030174
Perimeter
51524764
Area
165925081578481
Diagonal
18216755.011718
Surface area
995550489470886
Volume
2.137312667503E+21
Space diagonal
22310877.273999
Perimeter
38643573
Area
71847667885985
Altitude
11155438.636999
Surface area
71847667885985
Volume
2.5188471345121E+20
Height
6072251.6705728