12681520 is an even 8-digits composite number following 12681519
and preceding 12681521 . In scientific notation, it is written as 1.2681520 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors.
There are 5072576 positive integers (up to 12681520) that are relatively prime to 12681520.
12681520 has 20 divisors, whose sum is 29484720
The reverse of 12681520 is 02518621
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million six hundred eighty-one thousand five hundred twenty
Scientific notation
1.2681520 × 10^7
Engineering notation
1.2681520 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 158519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1585190
Product of the distinct prime numbers
The prime factorization of 12681520 is 2 × 2 × 2 × 2 × 5 × 158519.
Since it has a total of 6 prime factors.
2 , 4 , 73 , 85 , 304 , 36 , 2314 , 8072 , 29930 , 25852 , 380330 , 3001 , 9079222 , 8432617 , 82503730 , 10345081 , 414097276 , 741464504 , 6044590638 , 6764369932
n×2
25363040
n×3
38044560
n×4
50726080
n×5
63407600
n÷2
6340760
n÷3
4227173.3333333
n÷3
3170380
n÷5
2536304
n2
160820949510400
n3
2.0394540876351E+21
n4
2.5863377801427E+28
n5
3.2798694285635E+35
2 √n
3561.1121858206
3 √n
233.1974356052
4 √n
59.675054971241
5 √n
26.341121539093
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 158519 , 317038 , 634076 , 792595 , 1268152 , 1585190 , 2536304 , 3170380 , 6340760 , 12681520
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12681519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12681520 can be divided by 20 positive divisors.
The sum of these divisors (counting 12681520) is 1, the average is 0.05.
Base
System
Value
2
Binary
110000011000000100110000
3
Ternary
212212021202221
4
Quaternary
300120010300
5
Quinary
11221302040
6
Senary
1131450424
8
Octal
60300460
10
Decimal
12681520
12
Duodecimal
42b6a14
16
Hexadecimal
c18130
20
Vigesimal
3j53g0
36
Base36
7jt4g
md5
a663d7c13b991063438a629a58fa70cd
sha1
72103b3d33c00790535704b6c64910ede2788b3b
sha256
dea5bc26ae3286397e82fbfeead0a7404ab51268ba681ef11106d78a02ef9044
sha512
93ce4a822f39a9aaa8de65cd008d53b60b46874b19a6e6467804e738877c677424ce082c3dc2f182887c9a9736287eab13b96f33a0e72218850b1222466b2a7b
ripemd-160
4aa1fb1aea5c2361db509229ae8ed018c3175813
Diameter
25363040
Circumference
79680340.136704
Area
5.0523391352521E+14
Volume
8.5428453053976E+21
Surface area
2.0209356541008E+15
Circumference
79680340.136704
Perimeter
50726080
Area
160820949510400
Diagonal
17934377.575506
Surface area
964925697062400
Volume
2.0394540876351E+21
Space diagonal
21965036.957201
Perimeter
38044560
Area
69637513868370
Altitude
10982518.4786
Surface area
69637513868370
Volume
2.4035196921424E+20
Height
5978125.8585019