12111491 is an odd 8-digits composite number following 12111490
and preceding 12111492 . In scientific notation, it is written as 1.2111491 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 10381272 positive integers (up to 12111491) that are relatively prime to 12111491.
12111491 has 4 divisors, whose sum is 13841712
The reverse of 12111491 is 19411121
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twelve million one hundred eleven thousand four hundred ninety-one
Scientific notation
1.2111491 × 10^7
Engineering notation
1.2111491 × 10^6
Prime Factorization
7 × 1730213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12111491
Product of the distinct prime numbers
The prime factorization of 12111491 is 7 × 1730213.
Since it has a total of 2 prime factors.
4 , 3 , 23 , 11 , 846 , 861 , 9454 , 2816 , 80551 , 4199 , 660612 , 304719 , 4665577 , 7192384 , 36087848 , 97579700 , 79820232 , 659670080 , 7630705421 , 3178417068
n×2
24222982
n×3
36334473
n×4
48445964
n×5
60557455
n÷2
6055745.5
n÷3
4037163.6666667
n÷3
3027872.75
n÷5
2422298.2
n2
146688214243081
n3
1.7766129866111E+21
n4
2.1517432197824E+28
n5
2.6060818640706E+35
2 √n
3480.1567493433
3 √n
229.64969357226
4 √n
58.992853375162
5 √n
26.099940793232
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
-12111490
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 12111491 can be divided by 4 positive divisors.
The sum of these divisors (counting 12111491) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110001100111010000011
3
Ternary
211210022211202
4
Quaternary
232030322003
5
Quinary
11100031431
6
Senary
1111331415
8
Octal
56147203
10
Decimal
12111491
12
Duodecimal
4080b6b
16
Hexadecimal
b8ce83
20
Vigesimal
3fdieb
36
Base36
77lab
md5
7b55a0b7a4cd2d6fe8ed8aea8950d617
sha1
1ff0b15f8ddefc8adc647ead7fe40100b3d964d1
sha256
452be927c15214f3040a96326248b1a3db516fa4015156faf4d7da4d6f59ff51
sha512
841e941edd4aadccb9bd61ca0fcbc5250dc100837cef84385f01fd3587ae5b3afc3a476735d9a885572a12062eac4ab6d25de8dcb96d82565a5b268e4b459221
ripemd-160
057fd4b7e956f3b6a79e1bab311d350ccd69b181
Diameter
24222982
Circumference
76098742.299238
Area
4.6083461623427E+14
Volume
7.4418590760131E+21
Surface area
1.8433384649371E+15
Circumference
76098742.299238
Perimeter
48445964
Area
146688214243081
Diagonal
17128234.83276
Surface area
880129285458486
Volume
1.7766129866111E+21
Space diagonal
20977717.767413
Perimeter
36334473
Area
63517859985141
Altitude
10488858.883707
Surface area
63517859985141
Volume
2.0937584839614E+20
Height
5709411.6109199