12897908 is an even 8-digits composite number following 12897907
and preceding 12897909 . In scientific notation, it is written as 1.2897908 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 6431352 positive integers (up to 12897908) that are relatively prime to 12897908.
12897908 has 12 divisors, whose sum is 22632960
The reverse of 12897908 is 80979821
Previous prime number is 383
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million eight hundred ninety-seven thousand nine hundred eight
Scientific notation
1.2897908 × 10^7
Engineering notation
1.2897908 × 10^6
Prime Factorization
2 × 2 × 383 × 8419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6448954
Product of the distinct prime numbers
The prime factorization of 12897908 is 2 × 2 × 383 × 8419.
Since it has a total of 4 prime factors.
8 , 10 , 8 , 19 , 188 , 335 , 9269 , 3304 , 77193 , 3270 , 728814 , 937989 , 1113615 , 2929348 , 85048082 , 66823965 , 651317866 , 349932849 , 4100292251 , 4276228691
n×2
25795816
n×3
38693724
n×4
51591632
n×5
64489540
n÷2
6448954
n÷3
4299302.6666667
n÷3
3224477
n÷5
2579581.6
n2
166356030776464
n3
2.1456447802E+21
n4
2.76743289757E+28
n5
3.5694094909031E+35
2 √n
3591.3657569231
3 √n
234.51633130336
4 √n
59.928004780095
5 √n
26.430407250095
1 , 2 , 4 , 383 , 766 , 1532 , 8419 , 16838 , 33676 , 3224477 , 6448954 , 12897908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897908 can be divided by 12 positive divisors.
The sum of these divisors (counting 12897908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001001100111001110100
3
Ternary
220021021121022
4
Quaternary
301030321310
5
Quinary
11300213113
6
Senary
1140240312
8
Octal
61147164
10
Decimal
12897908
12
Duodecimal
43a0098
16
Hexadecimal
c4ce74
20
Vigesimal
40c4f8
36
Base36
7og38
md5
7468e1b58f538b26cd06851aad8911b2
sha1
c7ed9ae7c51fca4079d36c1ae5ae9901291c8c3a
sha256
38e4d017571ebde9a32ca4e74debd294481aea5f655750f6b085f26b29e47a6c
sha512
d2427924addd61339cee5cddbaa7e9b97a6ae9c22c915b80b66773e36580387034f45fcfb5993ef230e8d37e572eb8fcfc7a494d8664e41ab869f31b06444eb3
ripemd-160
e325ef2f6597032715704dc5ad4d90b1c0f549cd
Diameter
25795816
Circumference
81039946.038954
Area
5.226228841677E+14
Volume
8.9876558382528E+21
Surface area
2.0904915366708E+15
Circumference
81039946.038954
Perimeter
51591632
Area
166356030776464
Diagonal
18240396.41984
Surface area
998136184658784
Volume
2.1456447802E+21
Space diagonal
22339831.967349
Perimeter
38693724
Area
72034274362582
Altitude
11169915.983675
Surface area
72034274362582
Volume
2.5286666234949E+20
Height
6080132.1399468