11808891 is an odd 8-digits composite number following 11808890
and preceding 11808892 . In scientific notation, it is written as 1.1808891 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 7704816 positive integers (up to 11808891) that are relatively prime to 11808891.
11808891 has 12 divisors, whose sum is 17420832
The reverse of 11808891 is 19880811
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eleven million eight hundred eight thousand eight hundred ninety-one
Scientific notation
1.1808891 × 10^7
Engineering notation
1.1808891 × 10^6
Prime Factorization
3 × 3 × 47 × 27917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3936297
Product of the distinct prime numbers
The prime factorization of 11808891 is 3 × 3 × 47 × 27917.
Since it has a total of 4 prime factors.
8 , 4 , 91 , 42 , 879 , 572 , 2583 , 2635 , 13952 , 25526 , 374966 , 863945 , 9743676 , 9838430 , 26696293 , 38020608 , 398282362 , 13763401 , 8938323459 , 1471737416
n×2
23617782
n×3
35426673
n×4
47235564
n×5
59044455
n÷2
5904445.5
n÷3
3936297
n÷3
2952222.75
n÷5
2361778.2
n2
139449906649881
n3
1.6467487475886E+21
n4
1.9446276464661E+28
n5
2.2963895912704E+35
2 √n
3436.4066988644
3 √n
227.72097677243
4 √n
58.620872552909
5 √n
25.968198533554
1 , 3 , 9 , 47 , 141 , 423 , 27917 , 83751 , 251253 , 1312099 , 3936297 , 11808891
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-11808890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 11808891 can be divided by 12 positive divisors.
The sum of these divisors (counting 11808891) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101101000011000001111011
3
Ternary
211012221202100
4
Quaternary
231003001323
5
Quinary
11010341031
6
Senary
1101034443
8
Octal
55030173
10
Decimal
11808891
12
Duodecimal
3b55a23
16
Hexadecimal
b4307b
20
Vigesimal
3dg24b
36
Base36
713sr
md5
6969b0b0fa9d18b6199afe0119a9d91c
sha1
d756f3a59fe3309835bdd4d26817f1ced4509ca7
sha256
8ee02fe44cdef1449675712a1466d9b92a407d0394ef32fc4dc7d68ca035d9e5
sha512
82809df45e05421be073aa5d35ee91a1a7529727578daaf59d40fed963b4f1fdd8d82e9fb29f621c73541a9ebc6e7defa83c5bba389bedc0c260f88500c8c596
ripemd-160
77e73e6a608aff89c3a29563250cd3d28b42c305
Diameter
23617782
Circumference
74197450.425285
Area
4.3809480227505E+14
Volume
6.8978850236435E+21
Surface area
1.7523792091002E+15
Circumference
74197450.425285
Perimeter
47235564
Area
139449906649881
Diagonal
16700293.808786
Surface area
836699439899286
Volume
1.6467487475886E+21
Space diagonal
20453599.193043
Perimeter
35426673
Area
60383580857083
Altitude
10226799.596521
Surface area
60383580857083
Volume
1.9407120105506E+20
Height
5566764.6029285