21081313 (number)

21081313 is an odd 8-digits composite number following 21081312 and preceding 21081314. In scientific notation, it is written as 2.1081313 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 19135200 positive integers (up to 21081313) that are relatively prime to 21081313.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand three hundred thirteen

Notation

Scientific notation 2.1081313 × 10^7
Engineering notation 2.1081313 × 10^6

Prime Factorization of 21081313

Prime Factorization 11 × 2011 × 953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21081313
Product of the distinct prime numbers

The prime factorization of 21081313 is 11 × 2011 × 953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081313)

Multiplication

n×y
n×2 42162626
n×3 63243939
n×4 84325252
n×5 105406565

Division

n÷y
n÷2 10540656.5
n÷3 7027104.3333333
n÷3 5270328.25
n÷5 4216262.6

Exponentiation

ny
n2 444421757803969
n3 9.3689941802757E+21
n4 1.9751069880957E+29
n5 4.1637848624533E+36

Nth Root

y√n
2√n 4591.439099019
3√n 276.24804855197
4√n 67.760158640745
5√n 29.159463638943

Divisors of 21081313

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081312
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081313 can be divided by 8 positive divisors. The sum of these divisors (counting 21081313) is 1, the average is 0.125.

Base conversion 21081313

Base System Value
2 Binary 1010000011010110011100001
3 Ternary 1110200001010101
4 Quaternary 1100122303201
5 Quinary 20344100223
6 Senary 2031502401
8 Octal 120326341
10 Decimal 21081313
12 Duodecimal 7087a01
16 Hexadecimal 141ace1
20 Vigesimal 6bf35d
36 Base36 cjug1

Cryptographic Hash Functions

md5 d48e4cf092c87842be067b86b00852f2
sha1 1a4c0c0d7afe0b57f98c8a137073350d1eb40cad
sha256 754b9bd5e391b53baf44f78052c4aa9d86e57021a940fede079c3d7544c8bd64
sha512 afb0e732e1a5d020ecbaa0c07770e20b8c227361a0c49bef10409466545a89db44fe2fff4c50c3fe4c6931162df317851ccf475800636b811f802b096ad0c1c7
ripemd-160 79707bb2f8316def8679365ec6de811c9044d54f

21081313 as geometric shapes

Circle

Radius = n
Diameter 42162626
Circumference 132457796.09765
Area 1.3961921294124E+15

Sphere

Radius = n
Volume 3.9244751051039E+22
Surface area 5.5847685176496E+15
Circumference 132457796.09765

Square

Length = n
Perimeter 84325252
Area 444421757803969
Diagonal 29813478.757232

Cube

Length = n
Surface area 2666530546823814
Volume 9.3689941802757E+21
Space diagonal 36513905.206262

Equilateral Triangle

Length = n
Perimeter 63243939
Area 1.9244026612639E+14
Altitude 18256952.603131

Triangular Pyramid

Length = n
Surface area 1.9244026612639E+14
Volume 1.1041465529617E+21
Height 9937826.2524107