12980981 is an odd 8-digits composite number following 12980980
and preceding 12980982 . In scientific notation, it is written as 1.2980981 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 11982432 positive integers (up to 12980981) that are relatively prime to 12980981.
12980981 has 4 divisors, whose sum is 13979532
The reverse of 12980981 is 18908921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred eighty thousand nine hundred eighty-one
Scientific notation
1.2980981 × 10^7
Engineering notation
1.2980981 × 10^6
Prime Factorization
13 × 998537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12980981
Product of the distinct prime numbers
The prime factorization of 12980981 is 13 × 998537.
Since it has a total of 2 prime factors.
9 , 1 , 46 , 81 , 291 , 905 , 3666 , 1645 , 70405 , 89125 , 121377 , 645355 , 6798246 , 2903725 , 6818673 , 60178774 , 576526826 , 143571370 , 3890839441 , 4783273771
n×2
25961962
n×3
38942943
n×4
51923924
n×5
64904905
n÷2
6490490.5
n÷3
4326993.6666667
n÷3
3245245.25
n÷5
2596196.2
n2
168505867722361
n3
2.1873714672925E+21
n4
2.8394227456866E+28
n5
3.6858492712725E+35
2 √n
3602.9128493484
3 √n
235.01874605249
4 √n
60.024268836433
5 √n
26.464366528885
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12980980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12980981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12980981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100001001011110101
3
Ternary
220102111120002
4
Quaternary
301201023311
5
Quinary
11310342411
6
Senary
1142121045
8
Octal
61411365
10
Decimal
12980981
12
Duodecimal
4420185
16
Hexadecimal
c612f5
20
Vigesimal
412c91
36
Base36
7q86t
md5
13ef8470248820f725f9d2ceb4d994e8
sha1
867ce604f946c4cae9970848e8672d332cc51041
sha256
ebde31ea83f80c48ebf00e5d39f18b769f000124a1ac2299a8bac3b9e6fb9b30
sha512
f9448d60de1f2dfce085e5745280d3a641e9a048c14a5df668f218647987fd7835c8acdfd69e546b6bf55119036e60d8aac72ca4f3bec50fc5c733e2bb7da237
ripemd-160
92dfb02eb2fc60494d301ed132ff63c3dd32b2b1
Diameter
25961962
Circumference
81561909.091977
Area
5.2937679612334E+14
Volume
9.162440176424E+21
Surface area
2.1175071844934E+15
Circumference
81561909.091977
Perimeter
51923924
Area
168505867722361
Diagonal
18357879.383107
Surface area
1011035206334166
Volume
2.1873714672925E+21
Space diagonal
22483718.624086
Perimeter
38942943
Area
72965181067152
Altitude
11241859.312043
Surface area
72965181067152
Volume
2.5778419958275E+20
Height
6119293.1277025