13865981 (number)

13865981 is an odd 8-digits composite number following 13865980 and preceding 13865982. In scientific notation, it is written as 1.3865981 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 13856700 positive integers (up to 13865981) that are relatively prime to 13865981.

Interesting facts

Basic properties

Name

Name thirteen million eight hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.3865981 × 10^7
Engineering notation 1.3865981 × 10^6

Prime Factorization of 13865981

Prime Factorization 1871 × 7411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13865981
Product of the distinct prime numbers

The prime factorization of 13865981 is 1871 × 7411. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13865981)

Multiplication

n×y
n×2 27731962
n×3 41597943
n×4 55463924
n×5 69329905

Division

n÷y
n÷2 6932990.5
n÷3 4621993.6666667
n÷3 3466495.25
n÷5 2773196.2

Exponentiation

ny
n2 192265429092361
n3 2.6659487867515E+21
n4 3.696599522407E+28
n5 5.1256978742304E+35

Nth Root

y√n
2√n 3723.7052783484
3√n 240.24270008857
4√n 61.022170383791
5√n 26.815760623899

Divisors of 13865981

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 -13865980
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 13865981 can be divided by 4 positive divisors. The sum of these divisors (counting 13865981) is 1, the average is 0.25.

Base conversion 13865981

Base System Value
2 Binary 110100111001001111111101
3 Ternary 222002110112212
4 Quaternary 310321033331
5 Quinary 12022202411
6 Senary 1213110205
8 Octal 64711775
10 Decimal 13865981
12 Duodecimal 4788365
16 Hexadecimal d393fd
20 Vigesimal 46d4j1
36 Base36 89725

Cryptographic Hash Functions

md5 4ba136a650933889ab162287d5d0207e
sha1 13455918d4f819ce8928f58acd6513c0ce0cc473
sha256 560cd5fb3e7900d78df6211e57e8720242db3ea24602891ec74e85577f906646
sha512 8c07f09ae03f4d928622e083d4057c47eb6ed2337ddf5ac0c24467272fdf183aa58a1aad2ad4e1ae7745fb829eeb8ecdea6edd351ab29ba6b6877207a4679670
ripemd-160 c30076d2ae0ddd1aab473b73c76d78943a457528

13865981 as geometric shapes

Circle

Radius = n
Diameter 27731962
Circumference 87122528.088831
Area 6.0401965957585E+14

Sphere

Radius = n
Volume 1.1167100164407E+22
Surface area 2.4160786383034E+15
Circumference 87122528.088831

Square

Length = n
Perimeter 55463924
Area 192265429092361
Diagonal 19609458.385808

Cube

Length = n
Surface area 1153592574554166
Volume 2.6659487867515E+21
Space diagonal 24016583.588785

Equilateral Triangle

Length = n
Perimeter 41597943
Area 83253372931750
Altitude 12008291.794392

Triangular Pyramid

Length = n
Surface area 83253372931750
Volume 3.1418507756801E+20
Height 6536486.1286026