11881 is an odd 5-digits composite number following 11880
and preceding 11882 . In scientific notation, it is written as 1.1881 × 10^4.
The sum of its digits is 19. It has a total of 2 prime factors and 3 positive divisors.
There are 11772 positive integers (up to 11881) that are relatively prime to 11881.
11881 has 3 divisors, whose sum is 11991
The reverse of 11881 is 18811
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 19
Digital Root 1
Name
eleven thousand eight hundred eighty-one
Scientific notation
1.1881 × 10^4
Engineering notation
1.1881 × 10^3
Prime Factorization
109 × 109
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
109
Product of the distinct prime numbers
The prime factorization of 11881 is 109 × 109.
Since it has a total of 2 prime factors.
4 , 8 , 84 , 34 , 487 , 942 , 3355 , 1927 , 74707 , 84104 , 273362 , 692350 , 47575 , 7364351 , 43388728 , 40356232 , 157259100 , 419130466 , 761846271 , 3184587944
n×2
23762
n×3
35643
n×4
47524
n×5
59405
n÷2
5940.5
n÷3
3960.3333333333
n÷3
2970.25
n÷5
2376.2
n2
141158161
n3
1677100110841
n4
19925626416901921
n5
2.3673636745921E+20
2 √n
109
3 √n
22.818354974292
4 √n
10.440306508911
5 √n
6.5308633857824
3 divisors
τ
Total Divisors
3
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-11880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.33333333333333
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
3
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 11881 can be divided by 3 positive divisors.
The sum of these divisors (counting 11881) is 1, the average is 0.33333333333333.
Base
System
Value
2
Binary
10111001101001
3
Ternary
121022001
4
Quaternary
2321221
5
Quinary
340011
6
Senary
131001
8
Octal
27151
10
Decimal
11881
12
Duodecimal
6a61
16
Hexadecimal
2e69
20
Vigesimal
19e1
36
Base36
961
md5
713f96370f69fb23e3387062bc914719
sha1
b72659345135b9fd35fde6694f764bfacfc12698
sha256
64e51b3dc1ade43c85ec4c7ac7b51a218ddb933541be217011d1b3cd3ba30f3b
sha512
bd811ae7a3cd017a7d1643b579233e646c41a2c5c828ce9a9ef70074c7738ad00b795e62238acc958c3c441f02281b47e683047c2ddfb5f0db0398522e238bff
ripemd-160
6aea6a26b36299717eaf402227c16a7652fd7e58
Diameter
23762
Circumference
74650.524634601
Area
443461441.59185
Volume
7025020516737
Surface area
1773845766.3674
Circumference
74650.524634601
Perimeter
47524
Area
141158161
Diagonal
16802.271334555
Surface area
846948966
Volume
1677100110841
Space diagonal
20578.495644726
Perimeter
35643
Area
61123276.688747
Altitude
10289.247822363
Surface area
61123276.688747
Volume
197648143517.4
Height
5600.7571115182