12639938 is an even 8-digits composite number following 12639937
and preceding 12639939 . In scientific notation, it is written as 1.2639938 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 6314544 positive integers (up to 12639938) that are relatively prime to 12639938.
12639938 has 8 divisors, whose sum is 18976188
The reverse of 12639938 is 83993621
Previous prime number is 1693
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million six hundred thirty-nine thousand nine hundred thirty-eight
Scientific notation
1.2639938 × 10^7
Engineering notation
1.2639938 × 10^6
Prime Factorization
2 × 1693 × 3733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12639938
Product of the distinct prime numbers
The prime factorization of 12639938 is 2 × 1693 × 3733.
Since it has a total of 3 prime factors.
10 , 10 , 65 , 42 , 967 , 538 , 1785 , 4707 , 33654 , 32792 , 529250 , 374792 , 5324398 , 194782 , 48706095 , 18290947 , 195701304 , 52242046 , 743528023 , 6322292855
n×2
25279876
n×3
37919814
n×4
50559752
n×5
63199690
n÷2
6319969
n÷3
4213312.6666667
n÷3
3159984.5
n÷5
2527987.6
n2
159768032643844
n3
2.0194580270002E+21
n4
2.5525824254884E+28
n5
3.2264483598064E+35
2 √n
3555.2690474843
3 √n
232.94227603557
4 √n
59.626076908382
5 √n
26.323824622927
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
-12639937
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 12639938 can be divided by 8 positive divisors.
The sum of these divisors (counting 12639938) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000001101111011000010
3
Ternary
212210011201212
4
Quaternary
300031323002
5
Quinary
11213434223
6
Senary
1130530122
8
Octal
60157302
10
Decimal
12639938
12
Duodecimal
4296942
16
Hexadecimal
c0dec2
20
Vigesimal
3ijjgi
36
Base36
7ix1e
md5
8ce9482f257cfcbbd91422d70d88d77f
sha1
e60444f2a4f39e2ad20392ba33430d2c8522fce4
sha256
66bf5c6e544d2a9941c25d1623d28995f3c1693bd076379e679f80b54af1c88c
sha512
8233c8ad2eb61b28043bcee81f0eb4c4b69e17ff42bcf72acd95bf6330d120ecb89d5665fb13a09aff0d81e40147f8409f7f464bf22090b0f27ff42b42648ea2
ripemd-160
3728bc4ed870518bb059eafea2041abaa0d35588
Diameter
25279876
Circumference
79419072.725261
Area
5.0192607763239E+14
Volume
8.4590860024755E+21
Surface area
2.0077043105296E+15
Circumference
79419072.725261
Perimeter
50559752
Area
159768032643844
Diagonal
17875571.747155
Surface area
958608195863064
Volume
2.0194580270002E+21
Space diagonal
21893014.820521
Perimeter
37919814
Area
69181587491115
Altitude
10946507.41026
Surface area
69181587491115
Volume
2.379954108689E+20
Height
5958523.9157184