13812981 (number)

13812981 is an odd 8-digits composite number following 13812980 and preceding 13812982. In scientific notation, it is written as 1.3812981 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6899904 positive integers (up to 13812981) that are relatively prime to 13812981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.3812981 × 10^7
Engineering notation 1.3812981 × 10^6

Prime Factorization of 13812981

Prime Factorization 21 × 13 × 19 × 2663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 13812981
Product of the distinct prime numbers

The prime factorization of 13812981 is 21 × 13 × 19 × 2663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13812981)

Multiplication

n×y
n×2 27625962
n×3 41438943
n×4 55251924
n×5 69064905

Division

n÷y
n÷2 6906490.5
n÷3 4604327
n÷3 3453245.25
n÷5 2762596.2

Exponentiation

ny
n2 190798444106361
n3 2.6354952832707E+21
n4 3.6404046273408E+28
n5 5.0284839949771E+35

Nth Root

y√n
2√n 3716.5818973891
3√n 239.93621568856
4√n 60.963775288191
5√n 26.79522960965

Divisors of 13812981

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 -13812980
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 13812981 can be divided by 16 positive divisors. The sum of these divisors (counting 13812981) is 1, the average is 0.0625.

Base conversion 13812981

Base System Value
2 Binary 110100101100010011110101
3 Ternary 221222202211220
4 Quaternary 310230103311
5 Quinary 12014003411
6 Senary 1212020553
8 Octal 64542365
10 Decimal 13812981
12 Duodecimal 4761759
16 Hexadecimal d2c4f5
20 Vigesimal 466c91
36 Base36 8825x

Cryptographic Hash Functions

md5 0d80d9628a4dee30c6dbf061eafb703b
sha1 d3eece396e31799b7643fd3bc83c519be6226830
sha256 24122435a93b9425b9a5ae6130f846a110ab444c37473b6de5cc1493133031c3
sha512 d360010b536b8eabbea3acec6bb16b5e85ad880519368fb998ef61063ba9213e1953081b39daaf0166e008fd16da0584c3ce9626fc39c97c5c48f6645bf6ed94
ripemd-160 d637788c95bfd2a83c4ff75102636285373c1ef8

13812981 as geometric shapes

Circle

Radius = n
Diameter 27625962
Circumference 86789519.267551
Area 5.9941099032091E+14

Sphere

Radius = n
Volume 1.1039536827325E+22
Surface area 2.3976439612836E+15
Circumference 86789519.267551

Square

Length = n
Perimeter 55251924
Area 190798444106361
Diagonal 19534505.067002

Cube

Length = n
Surface area 1144790664638166
Volume 2.6354952832707E+21
Space diagonal 23924784.895984

Equilateral Triangle

Length = n
Perimeter 41438943
Area 82618149799327
Altitude 11962392.447992

Triangular Pyramid

Length = n
Surface area 82618149799327
Volume 3.1059609776432E+20
Height 6511501.6890006