12897718 is an even 8-digits composite number following 12897717
and preceding 12897719 . In scientific notation, it is written as 1.2897718 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 6249600 positive integers (up to 12897718) that are relatively prime to 12897718.
12897718 has 16 divisors, whose sum is 19954080
The reverse of 12897718 is 81779821
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million eight hundred ninety-seven thousand seven hundred eighteen
Scientific notation
1.2897718 × 10^7
Engineering notation
1.2897718 × 10^6
Prime Factorization
2 × 61 × 71 × 1489
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12897718
Product of the distinct prime numbers
The prime factorization of 12897718 is 2 × 61 × 71 × 1489.
Since it has a total of 4 prime factors.
7 , 4 , 100 , 57 , 91 , 492 , 1520 , 761 , 26081 , 97539 , 734347 , 352889 , 8830764 , 7029936 , 37203492 , 51490912 , 190050309 , 679035207 , 9420994531 , 9924247090
n×2
25795436
n×3
38693154
n×4
51590872
n×5
64488590
n÷2
6448859
n÷3
4299239.3333333
n÷3
3224429.5
n÷5
2579543.6
n2
166351129607524
n3
2.1455499586593E+21
n4
2.7672698321699E+28
n5
3.5691465925235E+35
2 √n
3591.3393044935
3 √n
234.51517973879
4 √n
59.927784077951
5 √n
26.430329379994
1 , 2 , 61 , 71 , 122 , 142 , 1489 , 2978 , 4331 , 8662 , 90829 , 105719 , 181658 , 211438 , 6448859 , 12897718
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897717
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897718 can be divided by 16 positive divisors.
The sum of these divisors (counting 12897718) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001100110110110110
3
Ternary
220021021100021
4
Quaternary
301030312312
5
Quinary
11300211333
6
Senary
1140235354
8
Octal
61146666
10
Decimal
12897718
12
Duodecimal
439bb5a
16
Hexadecimal
c4cdb6
20
Vigesimal
40c45i
36
Base36
7ofxy
md5
138a425a9329a9426a01c7f1fd0ed629
sha1
e490c52df32b013ccbf50e2b7e9c9a84dcac9dc4
sha256
456290a879b7ce895634c3abd76fd839119566717e67d8b2506c241d670306e4
sha512
e674fa77235beacbfb7da710a6dc17011522a38667a98089bba816d9c4c2bc8c8dcc07e965845c97e67c0575f2541f4d99ca876c6ed121a743584ffef4e779d4
ripemd-160
0dbf71160e556d45aedb1852977ef3d5bc98209c
Diameter
25795436
Circumference
81038752.233746
Area
5.2260748669136E+14
Volume
8.9872586507119E+21
Surface area
2.0904299467654E+15
Circumference
81038752.233746
Perimeter
51590872
Area
166351129607524
Diagonal
18240127.719264
Surface area
998106777645144
Volume
2.1455499586593E+21
Space diagonal
22339502.877696
Perimeter
38693154
Area
72032152094177
Altitude
11169751.438848
Surface area
72032152094177
Volume
2.5285548752375E+20
Height
6080042.5730879