12980981 (number)

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.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty thousand nine hundred eighty-one

Notation

Scientific notation 1.2980981 × 10^7
Engineering notation 1.2980981 × 10^6

Prime Factorization of 12980981

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.

Most popular turbo-numbers

Basic calculations (n = 12980981)

Multiplication

n×y
n×2 25961962
n×3 38942943
n×4 51923924
n×5 64904905

Division

n÷y
n÷2 6490490.5
n÷3 4326993.6666667
n÷3 3245245.25
n÷5 2596196.2

Exponentiation

ny
n2 168505867722361
n3 2.1873714672925E+21
n4 2.8394227456866E+28
n5 3.6858492712725E+35

Nth Root

y√n
2√n 3602.9128493484
3√n 235.01874605249
4√n 60.024268836433
5√n 26.464366528885

Divisors of 12980981

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 conversion 12980981

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

Cryptographic Hash Functions

md5 13ef8470248820f725f9d2ceb4d994e8
sha1 867ce604f946c4cae9970848e8672d332cc51041
sha256 ebde31ea83f80c48ebf00e5d39f18b769f000124a1ac2299a8bac3b9e6fb9b30
sha512 f9448d60de1f2dfce085e5745280d3a641e9a048c14a5df668f218647987fd7835c8acdfd69e546b6bf55119036e60d8aac72ca4f3bec50fc5c733e2bb7da237
ripemd-160 92dfb02eb2fc60494d301ed132ff63c3dd32b2b1

12980981 as geometric shapes

Circle

Radius = n
Diameter 25961962
Circumference 81561909.091977
Area 5.2937679612334E+14

Sphere

Radius = n
Volume 9.162440176424E+21
Surface area 2.1175071844934E+15
Circumference 81561909.091977

Square

Length = n
Perimeter 51923924
Area 168505867722361
Diagonal 18357879.383107

Cube

Length = n
Surface area 1011035206334166
Volume 2.1873714672925E+21
Space diagonal 22483718.624086

Equilateral Triangle

Length = n
Perimeter 38942943
Area 72965181067152
Altitude 11241859.312043

Triangular Pyramid

Length = n
Surface area 72965181067152
Volume 2.5778419958275E+20
Height 6119293.1277025