12657988 is an even 8-digits composite number following 12657987
and preceding 12657989 . In scientific notation, it is written as 1.2657988 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 5335200 positive integers (up to 12657988) that are relatively prime to 12657988.
12657988 has 24 divisors, whose sum is 25734464
The reverse of 12657988 is 88975621
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million six hundred fifty-seven thousand nine hundred eighty-eight
Scientific notation
1.2657988 × 10^7
Engineering notation
1.2657988 × 10^6
Prime Factorization
2 × 2 × 61 × 7 × 7411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6328994
Product of the distinct prime numbers
The prime factorization of 12657988 is 2 × 2 × 61 × 7 × 7411.
Since it has a total of 5 prime factors.
3 , 7 , 23 , 23 , 944 , 717 , 8718 , 634 , 30890 , 9966 , 635939 , 414680 , 6006823 , 957688 , 48903090 , 63287144 , 892590155 , 871573977 , 2415104006 , 9613062594
n×2
25315976
n×3
37973964
n×4
50631952
n×5
63289940
n÷2
6328994
n÷3
4219329.3333333
n÷3
3164497
n÷5
2531597.6
n2
160224660208144
n3
2.0281218262188E+21
n4
2.5671941738815E+28
n5
3.2495513046662E+35
2 √n
3557.8066276851
3 √n
233.053104856
4 √n
59.647352226944
5 √n
26.331338486704
1 , 2 , 4 , 7 , 14 , 28 , 61 , 122 , 244 , 427 , 854 , 1708 , 7411 , 14822 , 29644 , 51877 , 103754 , 207508 , 452071 , 904142 , 1808284 , 3164497 , 6328994 , 12657988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12657987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12657988 can be divided by 24 positive divisors.
The sum of these divisors (counting 12657988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000010010010101000100
3
Ternary
212211002111101
4
Quaternary
300102111010
5
Quinary
11220023423
6
Senary
1131145444
8
Octal
60222504
10
Decimal
12657988
12
Duodecimal
42a5284
16
Hexadecimal
c12544
20
Vigesimal
3j24j8
36
Base36
7jays
md5
019508080af629fe2e2eddee5cb13ba6
sha1
71a16b76df6bb97b26b006a0f6e62f0f3a04e116
sha256
a42e0e28d319042a9721fdc9923a3872640fb67444fda66f058450661afaee88
sha512
c1d782d9849b495cf4613891c5463bd1ab085e33c9a758e0ac5e2af5ac2264db3d6e0b813cc4760ae368b4d20e1c73c8237bd0f4a207feacf1e7bc1e1701080f
ripemd-160
272a5b2ed5a1ef2cf8a2a89c93d70aa766f93c7d
Diameter
25315976
Circumference
79532484.220056
Area
5.0336061543383E+14
Volume
8.4953768397786E+21
Surface area
2.0134424617353E+15
Circumference
79532484.220056
Perimeter
50631952
Area
160224660208144
Diagonal
17901098.301956
Surface area
961347961248864
Volume
2.0281218262188E+21
Space diagonal
21924278.337597
Perimeter
37973964
Area
69379313026491
Altitude
10962139.168799
Surface area
69379313026491
Volume
2.3901644939862E+20
Height
5967032.7673186