13818981 (number)

13818981 is an odd 8-digits composite number following 13818980 and preceding 13818982. In scientific notation, it is written as 1.3818981 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 8342400 positive integers (up to 13818981) that are relatively prime to 13818981.

Interesting facts

Basic properties

Name

Name thirteen million eight hundred eighteen thousand nine hundred eighty-one

Notation

Scientific notation 1.3818981 × 10^7
Engineering notation 1.3818981 × 10^6

Prime Factorization of 13818981

Prime Factorization 3 × 11 × 317 × 1321

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 13818981
Product of the distinct prime numbers

The prime factorization of 13818981 is 3 × 11 × 317 × 1321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13818981)

Multiplication

n×y
n×2 27637962
n×3 41456943
n×4 55275924
n×5 69094905

Division

n÷y
n÷2 6909490.5
n÷3 4606327
n÷3 3454745.25
n÷5 2763796.2

Exponentiation

ny
n2 190964235878361
n3 2.6389311472826E+21
n4 3.6467339384606E+28
n5 5.0394147007643E+35

Nth Root

y√n
2√n 3717.3890030504
3√n 239.97095134532
4√n 60.970394480029
5√n 26.797557035583

Divisors of 13818981

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 -13818980
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 13818981 can be divided by 16 positive divisors. The sum of these divisors (counting 13818981) is 1, the average is 0.0625.

Base conversion 13818981

Base System Value
2 Binary 110100101101110001100101
3 Ternary 222000002002010
4 Quaternary 310231301211
5 Quinary 12014201411
6 Senary 1212104433
8 Octal 64556145
10 Decimal 13818981
12 Duodecimal 4765119
16 Hexadecimal d2dc65
20 Vigesimal 467791
36 Base36 886sl

Cryptographic Hash Functions

md5 81688fe292d8dcd6d1d8a25436866dfd
sha1 19b6b52fb9148d0990310139c5e8096332d3f0e2
sha256 e742fcf173cf64e18b596cb7b04ed08f665232eabfa7eb3470bf9bd07d5ed057
sha512 158904c0e4bc0af4efa42be9558c34281335ee83935e8fc3381acd763ee5a6bd802b98988582df15128391ef94feec243c94cf97dc780c7299db264461c688ca
ripemd-160 684cef0ffa9c5e6e2b918b824bcb7ea078a66351

13818981 as geometric shapes

Circle

Radius = n
Diameter 27637962
Circumference 86827218.379394
Area 5.9993184053385E+14

Sphere

Radius = n
Volume 1.1053928940843E+22
Surface area 2.3997273621354E+15
Circumference 86827218.379394

Square

Length = n
Perimeter 55275924
Area 190964235878361
Diagonal 19542990.348376

Cube

Length = n
Surface area 1145785415270166
Volume 2.6389311472826E+21
Space diagonal 23935177.200829

Equilateral Triangle

Length = n
Perimeter 41456943
Area 82689939742472
Altitude 11967588.600414

Triangular Pyramid

Length = n
Surface area 82689939742472
Volume 3.1100101822132E+20
Height 6514330.1161254