12981311 (number)

12981311 is an odd 8-digits composite number following 12981310 and preceding 12981312. In scientific notation, it is written as 1.2981311 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 11108448 positive integers (up to 12981311) that are relatively prime to 12981311.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981311 × 10^7
Engineering notation 1.2981311 × 10^6

Prime Factorization of 12981311

Prime Factorization 7 × 829 × 2237

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981311
Product of the distinct prime numbers

The prime factorization of 12981311 is 7 × 829 × 2237. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981311)

Multiplication

n×y
n×2 25962622
n×3 38943933
n×4 51925244
n×5 64906555

Division

n÷y
n÷2 6490655.5
n÷3 4327103.6666667
n÷3 3245327.75
n÷5 2596262.2

Exponentiation

ny
n2 168514435278721
n3 2.1875382923424E+21
n4 2.8397114897306E+28
n5 3.6863177998467E+35

Nth Root

y√n
2√n 3602.9586453358
3√n 235.02073756939
4√n 60.024650314148
5√n 26.464501081923

Divisors of 12981311

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 -12981310
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 12981311 can be divided by 8 positive divisors. The sum of these divisors (counting 12981311) is 1, the average is 0.125.

Base conversion 12981311

Base System Value
2 Binary 110001100001010000111111
3 Ternary 220102112000022
4 Quaternary 301201100333
5 Quinary 11310400221
6 Senary 1142122355
8 Octal 61412077
10 Decimal 12981311
12 Duodecimal 44203bb
16 Hexadecimal c6143f
20 Vigesimal 412d5b
36 Base36 7q8fz

Cryptographic Hash Functions

md5 309e6fe456c3ff3e4dd0d81bcc1efa01
sha1 7fdac209fd4df1b9a9133cd4146018085a5c1eec
sha256 e6afddcd1fa16fa001e672b2b56b57d74d95713feeae3332cde74a85e48c8687
sha512 ddc346b458df005e79584465aa24d0f485667c8dfe6fcef0ba858709bbece7c9f0a28acf0352df800936366394c129a28ef66f9c9d31f00bde1f7f37d2cf5c29
ripemd-160 271b3ff011399f4d6c1315caebb805fe18046a95

12981311 as geometric shapes

Circle

Radius = n
Diameter 25962622
Circumference 81563982.543129
Area 5.2940371189546E+14

Sphere

Radius = n
Volume 9.1631389715592E+21
Surface area 2.1176148475819E+15
Circumference 81563982.543129

Square

Length = n
Perimeter 51925244
Area 168514435278721
Diagonal 18358346.073583

Cube

Length = n
Surface area 1011086611672326
Volume 2.1875382923424E+21
Space diagonal 22484290.200853

Equilateral Triangle

Length = n
Perimeter 38943933
Area 72968890927880
Altitude 11242145.100426

Triangular Pyramid

Length = n
Surface area 72968890927880
Volume 2.5780386010343E+20
Height 6119448.6911943