21086479 (number)

21086479 is an odd 8-digits composite number following 21086478 and preceding 21086480. In scientific notation, it is written as 2.1086479 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20406240 positive integers (up to 21086479) that are relatively prime to 21086479.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand four hundred seventy-nine

Notation

Scientific notation 2.1086479 × 10^7
Engineering notation 2.1086479 × 10^6

Prime Factorization of 21086479

Prime Factorization 31 × 680209

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21086479
Product of the distinct prime numbers

The prime factorization of 21086479 is 31 × 680209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086479)

Multiplication

n×y
n×2 42172958
n×3 63259437
n×4 84345916
n×5 105432395

Division

n÷y
n÷2 10543239.5
n÷3 7028826.3333333
n÷3 5271619.75
n÷5 4217295.8

Exponentiation

ny
n2 444639596617441
n3 9.3758835166421E+21
n4 1.9770437088012E+29
n5 4.1688890647719E+36

Nth Root

y√n
2√n 4592.001633275
3√n 276.27061167638
4√n 67.764309435535
5√n 29.160892610902

Divisors of 21086479

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 -21086478
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 21086479 can be divided by 4 positive divisors. The sum of these divisors (counting 21086479) is 1, the average is 0.25.

Base conversion 21086479

Base System Value
2 Binary 1010000011100000100001111
3 Ternary 1110200022012201
4 Quaternary 1100130010033
5 Quinary 20344231404
6 Senary 2031542331
8 Octal 120340417
10 Decimal 21086479
12 Duodecimal 708a9a7
16 Hexadecimal 141c10f
20 Vigesimal 6bfg3j
36 Base36 cjyfj

Cryptographic Hash Functions

md5 f61ec6adca4e81b0dca9a205c00c6df5
sha1 a30faf26daecbd02e24bce5cfec277b14a8f5c89
sha256 14635380cbebe2da9149cb4588c7998d161574d65228409998da525fc53f05b5
sha512 261ada7a19c687612fb1c750ed1dbc5625d848b274a41b889263c453727c79629c08e936713eddcc26d747077022717b2dd5820f71f5a51363a8341eca796900
ripemd-160 32f820982e2e6ba8a4b384db8af05022c0e8fbe8

21086479 as geometric shapes

Circle

Radius = n
Diameter 42172958
Circumference 132490255.03295
Area 1.3968764902285E+15

Sphere

Radius = n
Volume 3.9273609035729E+22
Surface area 5.5875059609139E+15
Circumference 132490255.03295

Square

Length = n
Perimeter 84345916
Area 444639596617441
Diagonal 29820784.584495

Cube

Length = n
Surface area 2667837579704646
Volume 9.3758835166421E+21
Space diagonal 36522852.980734

Equilateral Triangle

Length = n
Perimeter 63259437
Area 1.9253459309958E+14
Altitude 18261426.490367

Triangular Pyramid

Length = n
Surface area 1.9253459309958E+14
Volume 1.1049584690388E+21
Height 9940261.5281652