12118905 is an odd 8-digits composite number following 12118904
and preceding 12118906 . In scientific notation, it is written as 1.2118905 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6312096 positive integers (up to 12118905) that are relatively prime to 12118905.
12118905 has 16 divisors, whose sum is 16536960
The reverse of 12118905 is 50981121
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million one hundred eighteen thousand nine hundred five
Scientific notation
1.2118905 × 10^7
Engineering notation
1.2118905 × 10^6
Prime Factorization
9 × 5 × 43 × 6263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12118905
Product of the distinct prime numbers
The prime factorization of 12118905 is 9 × 5 × 43 × 6263.
Since it has a total of 4 prime factors.
5 , 9 , 2 , 54 , 772 , 694 , 8455 , 3966 , 67441 , 67879 , 260888 , 300393 , 9730070 , 1978400 , 41926786 , 53729647 , 233222714 , 177424784 , 1376351584 , 7510386523
n×2
24237810
n×3
36356715
n×4
48475620
n×5
60594525
n÷2
6059452.5
n÷3
4039635
n÷3
3029726.25
n÷5
2423781
n2
146867858399025
n3
1.7798776234912E+21
n4
2.1570167830716E+28
n5
2.614068147745E+35
2 √n
3481.2217682877
3 √n
229.69654372276
4 √n
59.001879362336
5 √n
26.10313540564
1 , 5 , 9 , 43 , 45 , 215 , 387 , 1935 , 6263 , 31315 , 56367 , 269309 , 281835 , 1346545 , 2423781 , 12118905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12118904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12118905 can be divided by 16 positive divisors.
The sum of these divisors (counting 12118905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101110001110101101111001
3
Ternary
211210201000100
4
Quaternary
232032231321
5
Quinary
11100301110
6
Senary
1111430013
8
Octal
56165571
10
Decimal
12118905
12
Duodecimal
4085309
16
Hexadecimal
b8eb79
20
Vigesimal
3feh55
36
Base36
77r09
md5
bdd411add40a23b706b560130fdd2327
sha1
f3954bdfa549f9fc4fd53bd61118c34a91023942
sha256
68a6e8c0f09374a520b0bce32c7a3b5d1a41266e47a63aede645b37951f24e4d
sha512
22e493d4e625e81fcab2f6540379b3544c8c45e64bda6d6c4259ed0af745056fc53d5bf4fc05edcb5afb68e1f15addce6682eb4baa9f940e0a66abfd92bc964f
ripemd-160
6f5913ce2a7f3670eb29b0d2e0e00f0618e59e72
Diameter
24237810
Circumference
76145325.835105
Area
4.6139898499484E+14
Volume
7.4555339549986E+21
Surface area
1.8455959399794E+15
Circumference
76145325.835105
Perimeter
48475620
Area
146867858399025
Diagonal
17138719.812111
Surface area
881207150394150
Volume
1.7798776234912E+21
Space diagonal
20990559.192101
Perimeter
36356715
Area
63595648186486
Altitude
10495279.59605
Surface area
63595648186486
Volume
2.0976058954214E+20
Height
5712906.604037