12897740 is an even 8-digits composite number following 12897739
and preceding 12897741 . In scientific notation, it is written as 1.2897740 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 5048960 positive integers (up to 12897740) that are relatively prime to 12897740.
12897740 has 24 divisors, whose sum is 27663552
The reverse of 12897740 is 04779821
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million eight hundred ninety-seven thousand seven hundred forty
Scientific notation
1.2897740 × 10^7
Engineering notation
1.2897740 × 10^6
Prime Factorization
2 × 2 × 5 × 47 × 13721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6448870
Product of the distinct prime numbers
The prime factorization of 12897740 is 2 × 2 × 5 × 47 × 13721.
Since it has a total of 5 prime factors.
1 , 9 , 8 , 79 , 256 , 821 , 1367 , 4976 , 69793 , 51521 , 335008 , 562408 , 8478921 , 4345286 , 29164796 , 95620422 , 203608119 , 218579778 , 5683116764 , 7649377769
n×2
25795480
n×3
38693220
n×4
51590960
n×5
64488700
n÷2
6448870
n÷3
4299246.6666667
n÷3
3224435
n÷5
2579548
n2
166351697107600
n3
2.1455609378526E+21
n4
2.7672887130579E+28
n5
3.5691770325955E+35
2 √n
3591.3423674164
3 √n
234.51531307842
4 √n
59.927809633061
5 √n
26.430338396579
1 , 2 , 4 , 5 , 10 , 20 , 47 , 94 , 188 , 235 , 470 , 940 , 13721 , 27442 , 54884 , 68605 , 137210 , 274420 , 644887 , 1289774 , 2579548 , 3224435 , 6448870 , 12897740
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
-12897739
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 12897740 can be divided by 24 positive divisors.
The sum of these divisors (counting 12897740) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001001100110111001100
3
Ternary
220021021101002
4
Quaternary
301030313030
5
Quinary
11300211430
6
Senary
1140235432
8
Octal
61146714
10
Decimal
12897740
12
Duodecimal
439bb78
16
Hexadecimal
c4cdcc
20
Vigesimal
40c470
36
Base36
7ofyk
md5
db83bdcb3e058f2a7b0d29355022841e
sha1
efc8a197ec9dae091f4baa50e990d884d5a39e0b
sha256
d9979c38b12c5449e0c03f621df13495c5b205d80e252648397b04d2888ae726
sha512
cdbb3c728a3036f879d70decd49fb31d3589d2aa19ede3bb5c32362a8b7c09366f111df157c8e4a421d58036b1f60cfad2b6ee08def9c3726a7fd81d202d2fd1
ripemd-160
0b921be2b870812a0decd5ecdadc3080d6cfba68
Diameter
25795480
Circumference
81038890.463822
Area
5.2260926954543E+14
Volume
8.9873046402492E+21
Surface area
2.0904370781817E+15
Circumference
81038890.463822
Perimeter
51590960
Area
166351697107600
Diagonal
18240158.831962
Surface area
998110182645600
Volume
2.1455609378526E+21
Space diagonal
22339540.982813
Perimeter
38693220
Area
72032397828918
Altitude
11169770.491407
Surface area
72032397828918
Volume
2.5285678143409E+20
Height
6080052.9439873