21083905 (number)

21083905 is an odd 8-digits composite number following 21083904 and preceding 21083906. In scientific notation, it is written as 2.1083905 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16733808 positive integers (up to 21083905) that are relatively prime to 21083905.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-three thousand nine hundred five

Notation

Scientific notation 2.1083905 × 10^7
Engineering notation 2.1083905 × 10^6

Prime Factorization of 21083905

Prime Factorization 635 × 33203

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21083905
Product of the distinct prime numbers

The prime factorization of 21083905 is 635 × 33203. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21083905)

Multiplication

n×y
n×2 42167810
n×3 63251715
n×4 84335620
n×5 105419525

Division

n÷y
n÷2 10541952.5
n÷3 7027968.3333333
n÷3 5270976.25
n÷5 4216781

Exponentiation

ny
n2 444531050049025
n3 9.3724504287839E+21
n4 1.9760785445769E+29
n5 4.1663452306397E+36

Nth Root

y√n
2√n 4591.7213547862
3√n 276.25936988345
4√n 67.762241364836
5√n 29.160180649433

Divisors of 21083905

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 -21083904
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 21083905 can be divided by 4 positive divisors. The sum of these divisors (counting 21083905) is 1, the average is 0.25.

Base conversion 21083905

Base System Value
2 Binary 1010000011011011100000001
3 Ternary 1110200011200101
4 Quaternary 1100123130001
5 Quinary 20344141110
6 Senary 2031522401
8 Octal 120333401
10 Decimal 21083905
12 Duodecimal 7089401
16 Hexadecimal 141b701
20 Vigesimal 6bf9f5
36 Base36 cjwg1

Cryptographic Hash Functions

md5 8f5ffa8ae66fdbf7f760155ec78eba03
sha1 b62edac622bf2f178160ebdbd0f54522e723524c
sha256 69679d677dfa7e3f50127bdf08b69925a6301c8b48d90a0d1260dc5c9489a1c2
sha512 73377aa22959ecb10fe3ce393bd03caca4e54833ec2c9e709fd7c885c980daaef9f81abdd837f0b84d31cd08643cafe5915e86d457b217d42c1817b18b5b39fc
ripemd-160 139c3b9fe4eb85d47ec0221283339937c3773bd3

21083905 as geometric shapes

Circle

Radius = n
Diameter 42167810
Circumference 132474082.11397
Area 1.3965354811266E+15

Sphere

Radius = n
Volume 3.9259228550936E+22
Surface area 5.5861419245063E+15
Circumference 132474082.11397

Square

Length = n
Perimeter 84335620
Area 444531050049025
Diagonal 29817144.398786

Cube

Length = n
Surface area 2667186300294150
Volume 9.3724504287839E+21
Space diagonal 36518394.681955

Equilateral Triangle

Length = n
Perimeter 63251715
Area 1.9248759105671E+14
Altitude 18259197.340978

Triangular Pyramid

Length = n
Surface area 1.9248759105671E+14
Volume 1.1045538757546E+21
Height 9939048.1329286