12918908 is an even 8-digits composite number following 12918907
and preceding 12918909 . In scientific notation, it is written as 1.2918908 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 6448512 positive integers (up to 12918908) that are relatively prime to 12918908.
12918908 has 12 divisors, whose sum is 22646400
The reverse of 12918908 is 80981921
Previous prime number is 673
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred eighteen thousand nine hundred eight
Scientific notation
1.2918908 × 10^7
Engineering notation
1.2918908 × 10^6
Prime Factorization
2 × 2 × 673 × 4799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6459454
Product of the distinct prime numbers
The prime factorization of 12918908 is 2 × 2 × 673 × 4799.
Since it has a total of 4 prime factors.
1 , 4 , 23 , 31 , 463 , 498 , 3100 , 4060 , 20886 , 33611 , 91032 , 879825 , 5394128 , 8581180 , 6586387 , 31349161 , 669898569 , 93819235 , 5216782096 , 9488780482
n×2
25837816
n×3
38756724
n×4
51675632
n×5
64594540
n÷2
6459454
n÷3
4306302.6666667
n÷3
3229727
n÷5
2583781.6
n2
166898183912464
n3
2.1561422833322E+21
n4
2.7855003793279E+28
n5
3.5985623134502E+35
2 √n
3594.2882466491
3 √n
234.64353985386
4 √n
59.952383160714
5 √n
26.439008294945
1 , 2 , 4 , 673 , 1346 , 2692 , 4799 , 9598 , 19196 , 3229727 , 6459454 , 12918908
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
-12918907
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 12918908 can be divided by 12 positive divisors.
The sum of these divisors (counting 12918908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001010010000001111100
3
Ternary
220022100102002
4
Quaternary
301102001330
5
Quinary
11301401113
6
Senary
1140521432
8
Octal
61220174
10
Decimal
12918908
12
Duodecimal
43b0278
16
Hexadecimal
c5207c
20
Vigesimal
40eh58
36
Base36
7owak
md5
d568237ae28f84eebbdcbb4069abe311
sha1
327c5b27ccabd20af65fc358fc077532fc3b0ad8
sha256
79670d4fccf15596a6d15f82b5e3e6567dbebc052d4282306d61e299cfde845e
sha512
04438d48bb8bf5c7ff12f82ce6887e4788ddb224dd3da6bca2b6474a7168572ab2bc3394c83c59c288ae7eb6fe0c1ed9877551f11e4329f3c8a8ad1b1b710e2d
ripemd-160
0578bfca94d267988f8b0b10524940591fd0f9fb
Diameter
25837816
Circumference
81171892.930405
Area
5.2432610847688E+14
Volume
9.0316276765477E+21
Surface area
2.0973044339075E+15
Circumference
81171892.930405
Perimeter
51675632
Area
166898183912464
Diagonal
18270094.90465
Surface area
1001389103474784
Volume
2.1561422833322E+21
Space diagonal
22376205.034308
Perimeter
38756724
Area
72269033556841
Altitude
11188102.517154
Surface area
72269033556841
Volume
2.5410380495787E+20
Height
6090031.6348834