12657890 is an even 8-digits composite number following 12657889
and preceding 12657891 . In scientific notation, it is written as 1.2657890 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 4314240 positive integers (up to 12657890) that are relatively prime to 12657890.
12657890 has 32 divisors, whose sum is 26193024
The reverse of 12657890 is 09875621
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million six hundred fifty-seven thousand eight hundred ninety
Scientific notation
1.2657890 × 10^7
Engineering notation
1.2657890 × 10^6
Prime Factorization
2 × 7 × 211 × 5 × 857
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12657890
Product of the distinct prime numbers
The prime factorization of 12657890 is 2 × 7 × 211 × 5 × 857.
Since it has a total of 5 prime factors.
7 , 7 , 81 , 41 , 299 , 750 , 3699 , 1649 , 93332 , 16341 , 343121 , 648165 , 7454009 , 2965329 , 87732684 , 97087218 , 820223686 , 12512229 , 5249401832 , 2427070895
n×2
25315780
n×3
37973670
n×4
50631560
n×5
63289450
n÷2
6328945
n÷3
4219296.6666667
n÷3
3164472.5
n÷5
2531578
n2
160222179252100
n3
2.0280747205334E+21
n4
2.5671146724292E+28
n5
3.2494255140995E+35
2 √n
3557.792855128
3 √n
233.05250341067
4 √n
59.647236776971
5 √n
26.33129771436
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 211 , 422 , 857 , 1055 , 1477 , 1714 , 2110 , 2954 , 4285 , 5999 , 7385 , 8570 , 11998 , 14770 , 29995 , 59990 , 180827 , 361654 , 904135 , 1265789 , 1808270 , 2531578 , 6328945 , 12657890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12657889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12657890 can be divided by 32 positive divisors.
The sum of these divisors (counting 12657890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110000010010010011100010
3
Ternary
212211002100202
4
Quaternary
300102103202
5
Quinary
11220023030
6
Senary
1131145202
8
Octal
60222342
10
Decimal
12657890
12
Duodecimal
42a5202
16
Hexadecimal
c124e2
20
Vigesimal
3j24ea
36
Base36
7jaw2
md5
a85ee616f617b09f31a2204ebe85dfee
sha1
517e2fb753cd0ae2cb007acc3f3c80218c2478a9
sha256
5af4b2caf74eaa29946a39f4f8c02e22438f8a3a725413274bfebe439d64ef16
sha512
992ea6aa02b15bac2b90e27fe5e4fd1b54c0778067cb506bdc934c5af4df4e546d358bab9825ed385884d7ae2f63869d58abbf55f3cedd4a1374629bc42f509e
ripemd-160
9a446ac750f770974817d7ff30712e1ec8529669
Diameter
25315780
Circumference
79531868.467895
Area
5.0335282128054E+14
Volume
8.4951795239451E+21
Surface area
2.0134112851222E+15
Circumference
79531868.467895
Perimeter
50631560
Area
160222179252100
Diagonal
17900959.709027
Surface area
961333075512600
Volume
2.0280747205334E+21
Space diagonal
21924108.596618
Perimeter
37973670
Area
69378238741011
Altitude
10962054.298309
Surface area
69378238741011
Volume
2.3901089794036E+20
Height
5966986.5696756