12911518 is an even 8-digits composite number following 12911517
and preceding 12911519 . In scientific notation, it is written as 1.2911518 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 6423120 positive integers (up to 12911518) that are relatively prime to 12911518.
12911518 has 8 divisors, whose sum is 19465200
The reverse of 12911518 is 81511921
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million nine hundred eleven thousand five hundred eighteen
Scientific notation
1.2911518 × 10^7
Engineering notation
1.2911518 × 10^6
Prime Factorization
2 × 199 × 32441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12911518
Product of the distinct prime numbers
The prime factorization of 12911518 is 2 × 199 × 32441.
Since it has a total of 3 prime factors.
3 , 4 , 74 , 67 , 1 , 504 , 1103 , 4894 , 85164 , 50439 , 924035 , 203102 , 8760102 , 4749116 , 48330146 , 3379982 , 552106045 , 15303012 , 9628006581 , 6910486157
n×2
25823036
n×3
38734554
n×4
51646072
n×5
64557590
n÷2
6455759
n÷3
4303839.3333333
n÷3
3227879.5
n÷5
2582303.6
n2
166707297064324
n3
2.1524442667774E+21
n4
2.7791322894493E+28
n5
3.5882816579606E+35
2 √n
3593.2600796491
3 √n
234.59879028987
4 √n
59.943807683939
5 √n
26.435982822624
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12911517
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12911518 can be divided by 8 positive divisors.
The sum of these divisors (counting 12911518) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010000001110011110
3
Ternary
220021222021101
4
Quaternary
301100032132
5
Quinary
11301132033
6
Senary
1140423314
8
Octal
61201636
10
Decimal
12911518
12
Duodecimal
43a7b3a
16
Hexadecimal
c5039e
20
Vigesimal
40difi
36
Base36
7oqla
md5
362bcf33988b60611e9f3ad09d48e9fa
sha1
13974edda8e9f05314a33ac3f47d047f9c1af77a
sha256
1bea40cd098fbbb18a1c8e15102d53b726a0887f81c5f15ab25174d883cf042a
sha512
fb41da9e06866042576e770d5af7390c390d54ece31e388f688f4be4b73f7dbfae2d06bb6e5c88e588de8c573ce19eb4fd7155da8cb581a3f2939510e29c2fa4
ripemd-160
f3073cb8b31b036e670390f70b17006104e89071
Diameter
25823036
Circumference
81125460.190985
Area
5.2372641975709E+14
Volume
9.0161374610257E+21
Surface area
2.0949056790284E+15
Circumference
81125460.190985
Perimeter
51646072
Area
166707297064324
Diagonal
18259643.866424
Surface area
1000243782385944
Volume
2.1524442667774E+21
Space diagonal
22363405.17884
Perimeter
38734554
Area
72186377126972
Altitude
11181702.58942
Surface area
72186377126972
Volume
2.536679895274E+20
Height
6086547.9554748