12639969 is an odd 8-digits composite number following 12639968
and preceding 12639970 . In scientific notation, it is written as 1.2639969 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 8134560 positive integers (up to 12639969) that are relatively prime to 12639969.
12639969 has 20 divisors, whose sum is 19536660
The reverse of 12639969 is 96993621
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million six hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
1.2639969 × 10^7
Engineering notation
1.2639969 × 10^6
Prime Factorization
9 × 3 × 3 × 29 × 5381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4213323
Product of the distinct prime numbers
The prime factorization of 12639969 is 9 × 3 × 3 × 29 × 5381.
Since it has a total of 5 prime factors.
5 , 9 , 98 , 36 , 910 , 750 , 9141 , 1914 , 17945 , 991 , 885092 , 881347 , 9708128 , 6894459 , 68175825 , 93294190 , 351879344 , 678209785 , 8209723250 , 2131270957
n×2
25279938
n×3
37919907
n×4
50559876
n×5
63199845
n÷2
6319984.5
n÷3
4213323
n÷3
3159992.25
n÷5
2527993.8
n2
159768816320961
n3
2.0194728854636E+21
n4
2.5526074668601E+28
n5
3.226487925028E+35
2 √n
3555.2734072079
3 √n
232.94246646912
4 √n
59.626113467238
5 √n
26.32383753498
1 , 3 , 9 , 27 , 29 , 81 , 87 , 261 , 783 , 2349 , 5381 , 16143 , 48429 , 145287 , 156049 , 435861 , 468147 , 1404441 , 4213323 , 12639969
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12639968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12639969 can be divided by 20 positive divisors.
The sum of these divisors (counting 12639969) is 1, the average is 0.05.
Base
System
Value
2
Binary
110000001101111011100001
3
Ternary
212210011210000
4
Quaternary
300031323201
5
Quinary
11213434334
6
Senary
1130530213
8
Octal
60157341
10
Decimal
12639969
12
Duodecimal
4296969
16
Hexadecimal
c0dee1
20
Vigesimal
3ijji9
36
Base36
7ix29
md5
37005d8a24753d7012cb57a20880c637
sha1
32adff056c5831b4b62d3a2e921cf2178b3a36c7
sha256
72936d22a198ab58f08f4620f2c680610fb756fd7569a0e5758a42f97b37a6e9
sha512
4bca38df80863a0d4a0f0d610ef4f65e9876055d6e72e2fffba217861c9b61a4d3aa51386966751d1ce2903597820428ce35b36986130eb27b8408224331c4ab
ripemd-160
acc7a571e1b63b5dd6bde5e9973cae9b06a362c8
Diameter
25279938
Circumference
79419267.504005
Area
5.0192853962667E+14
Volume
8.4591482414618E+21
Surface area
2.0077141585067E+15
Circumference
79419267.504005
Perimeter
50559876
Area
159768816320961
Diagonal
17875615.587775
Surface area
958612897925766
Volume
2.0194728854636E+21
Space diagonal
21893068.514096
Perimeter
37919907
Area
69181926833261
Altitude
10946534.257048
Surface area
69181926833261
Volume
2.3799716195562E+20
Height
5958538.5292585