11821381 is an odd 8-digits composite number following 11821380
and preceding 11821382 . In scientific notation, it is written as 1.1821381 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 9918480 positive integers (up to 11821381) that are relatively prime to 11821381.
11821381 has 12 divisors, whose sum is 13966560
The reverse of 11821381 is 18312811
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
eleven million eight hundred twenty-one thousand three hundred eighty-one
Scientific notation
1.1821381 × 10^7
Engineering notation
1.1821381 × 10^6
Prime Factorization
13 × 13 × 11 × 6359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
909337
Product of the distinct prime numbers
The prime factorization of 11821381 is 13 × 13 × 11 × 6359.
Since it has a total of 4 prime factors.
4 , 6 , 50 , 66 , 422 , 478 , 3983 , 1996 , 734 , 91952 , 439340 , 831769 , 6720272 , 6327865 , 4739476 , 76629938 , 837242597 , 626257637 , 7073912939 , 484821150
n×2
23642762
n×3
35464143
n×4
47285524
n×5
59106905
n÷2
5910690.5
n÷3
3940460.3333333
n÷3
2955345.25
n÷5
2364276.2
n2
139745048747161
n3
1.6519794641038E+21
n4
1.9528678649346E+28
n5
2.3085595074049E+35
2 √n
3438.2235238565
3 √n
227.80123361245
4 √n
58.63636690533
5 √n
25.973689407619
1 , 11 , 13 , 143 , 169 , 1859 , 6359 , 69949 , 82667 , 909337 , 1074671 , 11821381
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
-11821380
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 11821381 can be divided by 12 positive divisors.
The sum of these divisors (counting 11821381) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101101000110000101000101
3
Ternary
211020120212221
4
Quaternary
231012011011
5
Quinary
11011241011
6
Senary
1101212341
8
Octal
55060505
10
Decimal
11821381
12
Duodecimal
3b610b1
16
Hexadecimal
b46145
20
Vigesimal
3dhd91
36
Base36
71dfp
md5
411a6c019cdf889e269adc8a6207e0b5
sha1
a48a620d0db3d06a820fee46e17aa214b546bf56
sha256
f1962e577df28faee000f45fe0a5d11f703bb67be2daed33a37591739ac9834d
sha512
28f0d07ba35ef141a83df86537597ac94e7251e951d993d6a11ceb6840c495c1e67cfdc9065ffe4b80ccccc9c65b3be53a98053ec330cfee36e0ce6c1e1309d8
ripemd-160
5e99eb36fb230c62d66c5b571d93b852a1fb0ec0
Diameter
23642762
Circumference
74275927.409772
Area
4.3902201851963E+14
Volume
6.9197953977461E+21
Surface area
1.7560880740785E+15
Circumference
74275927.409772
Perimeter
47285524
Area
139745048747161
Diagonal
16717957.33618
Surface area
838470292482966
Volume
1.6519794641038E+21
Space diagonal
20475232.507629
Perimeter
35464143
Area
60511381134068
Altitude
10237616.253815
Surface area
60511381134068
Volume
1.9468764690811E+20
Height
5572652.4453932