26812981 (number)

26812981 is an odd 8-digits composite number following 26812980 and preceding 26812982. In scientific notation, it is written as 2.6812981 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 24750432 positive integers (up to 26812981) that are relatively prime to 26812981.

Interesting facts

Basic properties

Name

Name twenty-six million eight hundred twelve thousand nine hundred eighty-one

Notation

Scientific notation 2.6812981 × 10^7
Engineering notation 2.6812981 × 10^6

Prime Factorization of 26812981

Prime Factorization 13 × 2062537

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 26812981
Product of the distinct prime numbers

The prime factorization of 26812981 is 13 × 2062537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 26812981)

Multiplication

n×y
n×2 53625962
n×3 80438943
n×4 107251924
n×5 134064905

Division

n÷y
n÷2 13406490.5
n÷3 8937660.3333333
n÷3 6703245.25
n÷5 5362596.2

Exponentiation

ny
n2 718935950106361
n3 1.9276815970419E+22
n4 5.1686890035534E+29
n5 1.3858796004719E+37

Nth Root

y√n
2√n 5178.1252398914
3√n 299.305731581
4√n 71.959191489978
5√n 30.596307715233

Divisors of 26812981

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 -26812980
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 26812981 can be divided by 4 positive divisors. The sum of these divisors (counting 26812981) is 1, the average is 0.25.

Base conversion 26812981

Base System Value
2 Binary 1100110010010001000110101
3 Ternary 1212110020111101
4 Quaternary 1212102020311
5 Quinary 23331003411
6 Senary 2354410101
8 Octal 146221065
10 Decimal 26812981
12 Duodecimal 8b90931
16 Hexadecimal 1992235
20 Vigesimal 87bc91
36 Base36 fyp11

Cryptographic Hash Functions

md5 1ea3d2d689286e0abaeed47d7dd485d3
sha1 76a59bb40d21266489a0c029bd753c2cfed398ce
sha256 cc5607ec7778c7ef09591df6117e7e663515eba2c46307eab02c5a1cd1e03391
sha512 fb1017f08983539de3643e3fdf46a21da9d3a32b8fd388f535571f6556a27a8d4c9415e87f69c01afdb793554ec20e3dc74e9ed93b7e705503808053eb59f5e4
ripemd-160 da783222650fd3a0e190844bc8b804af28bbcd96

26812981 as geometric shapes

Circle

Radius = n
Diameter 53625962
Circumference 168470928.26089
Area 2.2586038992557E+15

Sphere

Radius = n
Volume 8.074653791636E+22
Surface area 9.034415597023E+15
Circumference 168470928.26089

Square

Length = n
Perimeter 107251924
Area 718935950106361
Diagonal 37919281.377852

Cube

Length = n
Surface area 4313615700638166
Volume 1.9276815970419E+22
Space diagonal 46441445.394379

Equilateral Triangle

Length = n
Perimeter 80438943
Area 3.1130839824301E+14
Altitude 23220722.697189

Triangular Pyramid

Length = n
Surface area 3.1130839824301E+14
Volume 2.271794548728E+21
Height 12639760.459284