12639920 is an even 8-digits composite number following 12639919
and preceding 12639921 . In scientific notation, it is written as 1.2639920 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 5055936 positive integers (up to 12639920) that are relatively prime to 12639920.
12639920 has 20 divisors, whose sum is 29388000
The reverse of 12639920 is 02993621
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million six hundred thirty-nine thousand nine hundred twenty
Scientific notation
1.2639920 × 10^7
Engineering notation
1.2639920 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 157999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1579990
Product of the distinct prime numbers
The prime factorization of 12639920 is 2 × 2 × 2 × 2 × 5 × 157999.
Since it has a total of 6 prime factors.
7 , 3 , 28 , 94 , 200 , 973 , 1951 , 9500 , 37916 , 95753 , 319284 , 398622 , 6495233 , 6706336 , 47076003 , 32541717 , 544537665 , 360196148 , 8864795029 , 4977065438
n×2
25279840
n×3
37919760
n×4
50559680
n×5
63199600
n÷2
6319960
n÷3
4213306.6666667
n÷3
3159980
n÷5
2527984
n2
159767577606400
n3
2.0194493995387E+21
n4
2.5525678854217E+28
n5
3.22642538663E+35
2 √n
3555.2665160294
3 √n
232.94216546111
4 √n
59.626055680629
5 √n
26.323817125594
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 157999 , 315998 , 631996 , 789995 , 1263992 , 1579990 , 2527984 , 3159980 , 6319960 , 12639920
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
-12639919
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 12639920 can be divided by 20 positive divisors.
The sum of these divisors (counting 12639920) is 1, the average is 0.05.
Base
System
Value
2
Binary
110000001101111010110000
3
Ternary
212210011201012
4
Quaternary
300031322300
5
Quinary
11213434140
6
Senary
1130530052
8
Octal
60157260
10
Decimal
12639920
12
Duodecimal
4296928
16
Hexadecimal
c0deb0
20
Vigesimal
3ijjg0
36
Base36
7ix0w
md5
b52be061905543f8a1c29868f8d1e7c1
sha1
6adcb20d010f64ee237888a90e6b83da23e840c3
sha256
737d510b176e658063ebed0f60812814584ac3e2650dc53564290c6ca2dafc35
sha512
2c8d1f923c309fa751e2b6d266dd5eb4bd081f291dcbb467fe001d0b82d47e74d1ba1ec1dc3a6f4cf9f412ba1c73c7218b589476acb131394d7d0ffb017ccafc
ripemd-160
29507f072693b5180913350e101222c876687c42
Diameter
25279840
Circumference
79418959.627925
Area
5.019246480901E+14
Volume
8.4590498638494E+21
Surface area
2.0076985923604E+15
Circumference
79418959.627925
Perimeter
50559680
Area
159767577606400
Diagonal
17875546.291311
Surface area
958605465638400
Volume
2.0194493995387E+21
Space diagonal
21892983.643606
Perimeter
37919760
Area
69181390454122
Altitude
10946491.821803
Surface area
69181390454122
Volume
2.3799439411282E+20
Height
5958515.430437