12897731 is an odd 8-digits composite number following 12897730
and preceding 12897732 . In scientific notation, it is written as 1.2897731 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10049760 positive integers (up to 12897731) that are relatively prime to 12897731.
12897731 has 8 divisors, whose sum is 14358000
The reverse of 12897731 is 13779821
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million eight hundred ninety-seven thousand seven hundred thirty-one
Scientific notation
1.2897731 × 10^7
Engineering notation
1.2897731 × 10^6
Prime Factorization
11 × 49 × 23929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12897731
Product of the distinct prime numbers
The prime factorization of 12897731 is 11 × 49 × 23929.
Since it has a total of 3 prime factors.
1 , 2 , 4 , 66 , 582 , 359 , 986 , 9070 , 52611 , 73143 , 617426 , 656624 , 8310397 , 9993136 , 80923162 , 61720826 , 199868684 , 314058801 , 9794380398 , 5299313183
n×2
25795462
n×3
38693193
n×4
51590924
n×5
64488655
n÷2
6448865.5
n÷3
4299243.6666667
n÷3
3224432.75
n÷5
2579546.2
n2
166351464948361
n3
2.1455564463599E+21
n4
2.7672809890466E+28
n5
3.5691645798137E+35
2 √n
3591.3411144028
3 √n
234.51525853041
4 √n
59.927799178702
5 √n
26.430334707978
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897731 can be divided by 8 positive divisors.
The sum of these divisors (counting 12897731) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001100110111000011
3
Ternary
220021021100202
4
Quaternary
301030313003
5
Quinary
11300211411
6
Senary
1140235415
8
Octal
61146703
10
Decimal
12897731
12
Duodecimal
439bb6b
16
Hexadecimal
c4cdc3
20
Vigesimal
40c46b
36
Base36
7ofyb
md5
1f1adac8bc2e40fc05970e4446dbd39a
sha1
87656097da1fe6781c570382840119843e949134
sha256
94c5d6e32452b8bf2c6a15c0916e3cebe4407288b87dcc63db7e85e680e9488b
sha512
b68fb20005e235f5d18b4ab27ca80ffd15c796046a4013315d76926baef57664585a5623712d8a0c78a837a2480647af9fb0b12425986bfecd2664b5e1003513
ripemd-160
e6bea4009af9a6df650d546dbe92bce01271a543
Diameter
25795462
Circumference
81038833.915155
Area
5.2260854019567E+14
Volume
8.9872858263286E+21
Surface area
2.0904341607827E+15
Circumference
81038833.915155
Perimeter
51590924
Area
166351464948361
Diagonal
18240146.10404
Surface area
998108789690166
Volume
2.1455564463599E+21
Space diagonal
22339525.394356
Perimeter
38693193
Area
72032297301019
Altitude
11169762.697178
Surface area
72032297301019
Volume
2.528562521066E+20
Height
6080048.7013466