12981386 (number)

12981386 is an even 8-digits composite number following 12981385 and preceding 12981387. In scientific notation, it is written as 1.2981386 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 5696880 positive integers (up to 12981386) that are relatively prime to 12981386.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981386 × 10^7
Engineering notation 1.2981386 × 10^6

Prime Factorization of 12981386

Prime Factorization 2 × 11 × 29 × 20347

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12981386
Product of the distinct prime numbers

The prime factorization of 12981386 is 2 × 11 × 29 × 20347. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 96, 53, 248, 555, 5938, 2224, 1522, 25361, 850401, 975420, 1903481, 1822772, 50360063, 99734838, 106928153, 773129168, 7474453809, 6763811506

Basic calculations (n = 12981386)

Multiplication

n×y
n×2 25962772
n×3 38944158
n×4 51925544
n×5 64906930

Division

n÷y
n÷2 6490693
n÷3 4327128.6666667
n÷3 3245346.5
n÷5 2596277.2

Exponentiation

ny
n2 168516382480996
n3 2.1875762083094E+21
n4 2.8397771164481E+28
n5 3.686424290258E+35

Nth Root

y√n
2√n 3602.9690534336
3√n 235.02119018216
4√n 60.024737012615
5√n 26.464531661777

Divisors of 12981386

1, 2, 11, 22, 29, 58, 319, 638, 20347, 40694, 223817, 447634, 590063, 1180126, 6490693, 12981386

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12981385
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981386 can be divided by 16 positive divisors. The sum of these divisors (counting 12981386) is 1, the average is 0.0625.

Base conversion 12981386

Base System Value
2 Binary 110001100001010010001010
3 Ternary 220102112010002
4 Quaternary 301201102022
5 Quinary 11310401021
6 Senary 1142123002
8 Octal 61412212
10 Decimal 12981386
12 Duodecimal 4420462
16 Hexadecimal c6148a
20 Vigesimal 412d96
36 Base36 7q8i2

Cryptographic Hash Functions

md5 15f76031d308b6a3a0e0f4404f04c014
sha1 0251f53d4bfdcc8b3ed799f3d2d2fecd7cb30fe3
sha256 5714da3a5fc5c77d5dca6efb007b9d62d9619fb22a22627169c0deb951f3e2b0
sha512 fea3a260ecdbc015c82f6946f289e93bc41131894cf0d56ec80f88c72e2d21f44683f41c959a5bf85114226b3bb72506360610cc7320e25099b0e4bb75b9580a
ripemd-160 20f182b9b2151cabe26474aeb2624c10722004ec

12981386 as geometric shapes

Circle

Radius = n
Diameter 25962772
Circumference 81564453.782027
Area 5.2940982921182E+14

Sphere

Radius = n
Volume 9.1632977935904E+21
Surface area 2.1176393168473E+15
Circumference 81564453.782027

Square

Length = n
Perimeter 51925544
Area 168516382480996
Diagonal 18358452.1396

Cube

Length = n
Surface area 1011098294885976
Volume 2.1875762083094E+21
Space diagonal 22484420.104663

Equilateral Triangle

Length = n
Perimeter 38944158
Area 72969734091199
Altitude 11242210.052332

Triangular Pyramid

Length = n
Surface area 72969734091199
Volume 2.5780832854299E+20
Height 6119484.0465334