12920691 is an odd 8-digits composite number following 12920690
and preceding 12920692 . In scientific notation, it is written as 1.2920691 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 7305984 positive integers (up to 12920691) that are relatively prime to 12920691.
12920691 has 8 divisors, whose sum is 13677664
The reverse of 12920691 is 19602921
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million nine hundred twenty thousand six hundred ninety-one
Scientific notation
1.2920691 × 10^7
Engineering notation
1.2920691 × 10^6
Prime Factorization
21 × 97 × 6343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12920691
Product of the distinct prime numbers
The prime factorization of 12920691 is 21 × 97 × 6343.
Since it has a total of 3 prime factors.
5 , 8 , 7 , 38 , 980 , 32 , 6394 , 1800 , 61447 , 97407 , 225730 , 247696 , 1915011 , 3228070 , 49430737 , 30837218 , 248341225 , 633159722 , 488925832 , 340191443
n×2
25841382
n×3
38762073
n×4
51682764
n×5
64603455
n÷2
6460345.5
n÷3
4306897
n÷3
3230172.75
n÷5
2584138.2
n2
166944255917481
n3
2.1570351449347E+21
n4
2.7870384583841E+28
n5
3.6010462725898E+35
2 √n
3594.5362705083
3 √n
234.65433411465
4 √n
59.954451632121
5 √n
26.439738049342
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
-12920690
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 12920691 can be divided by 8 positive divisors.
The sum of these divisors (counting 12920691) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010010011101110011
3
Ternary
220022102212010
4
Quaternary
301102131303
5
Quinary
11301430231
6
Senary
1140534003
8
Octal
61223563
10
Decimal
12920691
12
Duodecimal
43b1303
16
Hexadecimal
c52773
20
Vigesimal
40f1eb
36
Base36
7oxo3
md5
7e380d6d4486243c8828f86189a7c922
sha1
97acabb77957b73f6164f412f5bcacb7173d1f92
sha256
ea5ae5404f3344b0d7f2488ba24c13e0869e5ae5a6ffacb520592f9b692e5df6
sha512
6988b9143e0717296adbec4481d83682b870b0063f6954ab5ebca8bc1dcad81ef96d1ed2c5e8bef8ae70dd729fd6479bad6b067df00c55143aecea83aebfd87d
ripemd-160
10606d03f8b5a3586c99338ccd8c75cdd9d9ace0
Diameter
25841382
Circumference
81183095.849808
Area
5.2447084794937E+14
Volume
9.0353676864824E+21
Surface area
2.0978833917975E+15
Circumference
81183095.849808
Perimeter
51682764
Area
166944255917481
Diagonal
18272616.447432
Surface area
1001665535504886
Volume
2.1570351449347E+21
Space diagonal
22379293.280898
Perimeter
38762073
Area
72288983320215
Altitude
11189646.640449
Surface area
72288983320215
Volume
2.5420902970684E+20
Height
6090872.149144