12981318 is an even 8-digits composite number following 12981317
and preceding 12981319 . In scientific notation, it is written as 1.2981318 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 3708936 positive integers (up to 12981318) that are relatively prime to 12981318.
12981318 has 8 divisors, whose sum is 20399280
The reverse of 12981318 is 81318921
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million nine hundred eighty-one thousand three hundred eighteen
Scientific notation
1.2981318 × 10^7
Engineering notation
1.2981318 × 10^6
Prime Factorization
2 × 21 × 309079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12981318
Product of the distinct prime numbers
The prime factorization of 12981318 is 2 × 21 × 309079.
Since it has a total of 3 prime factors.
3 , 10 , 21 , 50 , 57 , 18 , 7507 , 5592 , 18640 , 12338 , 197457 , 543029 , 4324110 , 1141190 , 29301822 , 11568032 , 794908912 , 822052330 , 7564120394 , 1746445221
n×2
25962636
n×3
38943954
n×4
51925272
n×5
64906590
n÷2
6490659
n÷3
4327106
n÷3
3245329.5
n÷5
2596263.6
n2
168514617017124
n3
2.1875418311475E+21
n4
2.8397176148428E+28
n5
3.6863277388476E+35
2 √n
3602.9596167595
3 √n
235.02077981332
4 √n
60.024658406021
5 √n
26.464503936049
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
-12981317
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 12981318 can be divided by 8 positive divisors.
The sum of these divisors (counting 12981318) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100001010001000110
3
Ternary
220102112000120
4
Quaternary
301201101012
5
Quinary
11310400233
6
Senary
1142122410
8
Octal
61412106
10
Decimal
12981318
12
Duodecimal
4420406
16
Hexadecimal
c61446
20
Vigesimal
412d5i
36
Base36
7q8g6
md5
ea776829dd41f760fbbc24276f0debc4
sha1
9db04b685b3d980e0dc14686660e8dcea67f9bd4
sha256
b7bb6a9ebd8d84db610667eefa7914bfb7e32de76b7646f5a42e2cb5fd306e40
sha512
3172b4d47300c75875c9cbd8047679c34a0be6c55b2a9057196dba12d3ab2ff457a0a5667dcf99d5ff879ed2e965c40dc5dfde989cb439d7155015bcf322f473
ripemd-160
5705de6f85c65ff9f45222feb71c7f77abb90cbe
Diameter
25962636
Circumference
81564026.525426
Area
5.2940428284349E+14
Volume
9.1631537948711E+21
Surface area
2.117617131374E+15
Circumference
81564026.525426
Perimeter
51925272
Area
168514617017124
Diagonal
18358355.973078
Surface area
1011087702102744
Volume
2.1875418311475E+21
Space diagonal
22484302.325208
Perimeter
38943954
Area
72968969622917
Altitude
11242151.162604
Surface area
72968969622917
Volume
2.5780427715561E+20
Height
6119451.991026