21086493 (number)

21086493 is an odd 8-digits composite number following 21086492 and preceding 21086494. In scientific notation, it is written as 2.1086493 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14057660 positive integers (up to 21086493) that are relatively prime to 21086493.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand four hundred ninety-three

Notation

Scientific notation 2.1086493 × 10^7
Engineering notation 2.1086493 × 10^6

Prime Factorization of 21086493

Prime Factorization 3 × 7028831

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21086493
Product of the distinct prime numbers

The prime factorization of 21086493 is 3 × 7028831. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086493)

Multiplication

n×y
n×2 42172986
n×3 63259479
n×4 84345972
n×5 105432465

Division

n÷y
n÷2 10543246.5
n÷3 7028831
n÷3 5271623.25
n÷5 4217298.6

Exponentiation

ny
n2 444640187039049
n3 9.3759021915176E+21
n4 1.9770489593012E+29
n5 4.1689029040962E+36

Nth Root

y√n
2√n 4592.0031576644
3√n 276.27067281805
4√n 67.764320683265
5√n 29.160896483074

Divisors of 21086493

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 -21086492
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 21086493 can be divided by 4 positive divisors. The sum of these divisors (counting 21086493) is 1, the average is 0.25.

Base conversion 21086493

Base System Value
2 Binary 1010000011100000100011101
3 Ternary 1110200022020020
4 Quaternary 1100130010131
5 Quinary 20344231433
6 Senary 2031542353
8 Octal 120340435
10 Decimal 21086493
12 Duodecimal 708a9b9
16 Hexadecimal 141c11d
20 Vigesimal 6bfg4d
36 Base36 cjyfx

Cryptographic Hash Functions

md5 4777592b289e186edd18807748853e4d
sha1 e4b30180a7b355c2d62c6b8417b2e2dda0d08bc6
sha256 f2c6c800bceb6ee24c3d6f18e48a1359b0afec3e6009edfe6d1b968a0e0d7346
sha512 e50c27d0045db9ded997ccd474be39d175353cf0176b2d8ec60cd7c56240c14606a14b9a03a0da9f17c33f4a5cc90d7e2bf3a863045d97811e65c2fae01a9b93
ripemd-160 00d8b307fa2f61511a30cc5608782aff9609edaa

21086493 as geometric shapes

Circle

Radius = n
Diameter 42172986
Circumference 132490342.99755
Area 1.3968783450927E+15

Sphere

Radius = n
Volume 3.9273687260864E+22
Surface area 5.5875133803707E+15
Circumference 132490342.99755

Square

Length = n
Perimeter 84345972
Area 444640187039049
Diagonal 29820804.383485

Cube

Length = n
Surface area 2667841122234294
Volume 9.3759021915176E+21
Space diagonal 36522877.229445

Equilateral Triangle

Length = n
Perimeter 63259479
Area 1.9253484875964E+14
Altitude 18261438.614723

Triangular Pyramid

Length = n
Surface area 1.9253484875964E+14
Volume 1.104960669894E+21
Height 9940268.1278284