12388908 is an even 8-digits composite number following 12388907
and preceding 12388909 . In scientific notation, it is written as 1.2388908 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 3539664 positive integers (up to 12388908) that are relatively prime to 12388908.
12388908 has 12 divisors, whose sum is 22713152
The reverse of 12388908 is 80988321
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million three hundred eighty-eight thousand nine hundred eight
Scientific notation
1.2388908 × 10^7
Engineering notation
1.2388908 × 10^6
Prime Factorization
2 × 2 × 21 × 147487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6194454
Product of the distinct prime numbers
The prime factorization of 12388908 is 2 × 2 × 21 × 147487.
Since it has a total of 4 prime factors.
7 , 4 , 29 , 64 , 814 , 162 , 8873 , 2528 , 64511 , 80445 , 654361 , 958358 , 7466514 , 1316682 , 71542478 , 14483146 , 689488860 , 184802286 , 7824846150 , 6804389999
n×2
24777816
n×3
37166724
n×4
49555632
n×5
61944540
n÷2
6194454
n÷3
4129636
n÷3
3097227
n÷5
2477781.6
n2
153485041432464
n3
1.901512057683E+21
n4
2.3557657943525E+28
n5
2.918536569578E+35
2 √n
3519.7880618014
3 √n
231.38987028943
4 √n
59.327801761075
5 √n
26.218425391811
1 , 2 , 4 , 21 , 42 , 84 , 147487 , 294974 , 589948 , 3097227 , 6194454 , 12388908
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
-12388907
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 12388908 can be divided by 12 positive divisors.
The sum of these divisors (counting 12388908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101111010000101000101100
3
Ternary
212022102101110
4
Quaternary
233100220230
5
Quinary
11132421113
6
Senary
1121312020
8
Octal
57205054
10
Decimal
12388908
12
Duodecimal
4195610
16
Hexadecimal
bd0a2c
20
Vigesimal
3h8c58
36
Base36
7djcc
md5
17b0f2406f6cd3c17a41a29f9e639106
sha1
df8da44701f1c3f6cfa2813840cba0a80909e208
sha256
7ede084a05112cca50f069ab230687c302be6918157179f57df8b64788007332
sha512
0f30f0b016665d38f1eea39f3dae63e02f8e4b541cba7629510cf8935315804b8684637e6b4c7e8ab37503f2b8501a5182d10b24a98a494b6abbd46ec469d955
ripemd-160
2be2d2c27ab6af526e8571ecf794d70e47587a9a
Diameter
24777816
Circumference
77841804.7176
Area
4.8218747860015E+14
Volume
7.9650350815057E+21
Surface area
1.9287499144006E+15
Circumference
77841804.7176
Perimeter
49555632
Area
153485041432464
Diagonal
17520561.716593
Surface area
920910248594784
Volume
1.901512057683E+21
Space diagonal
21458218.106297
Perimeter
37166724
Area
66460972490710
Altitude
10729109.053148
Surface area
66460972490710
Volume
2.240953450826E+20
Height
5840187.2388642