21086447 (number)

21086447 is an odd 8-digits composite number following 21086446 and preceding 21086448. In scientific notation, it is written as 2.1086447 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19976616 positive integers (up to 21086447) that are relatively prime to 21086447.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand four hundred forty-seven

Notation

Scientific notation 2.1086447 × 10^7
Engineering notation 2.1086447 × 10^6

Prime Factorization of 21086447

Prime Factorization 19 × 1109813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21086447
Product of the distinct prime numbers

The prime factorization of 21086447 is 19 × 1109813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086447)

Multiplication

n×y
n×2 42172894
n×3 63259341
n×4 84345788
n×5 105432235

Division

n÷y
n÷2 10543223.5
n÷3 7028815.6666667
n÷3 5271611.75
n÷5 4217289.4

Exponentiation

ny
n2 444638247083809
n3 9.3758408313056E+21
n4 1.9770317076976E+29
n5 4.1688574321685E+36

Nth Root

y√n
2√n 4591.9981489543
3√n 276.27047192389
4√n 67.764283726417
5√n 29.160883760215

Divisors of 21086447

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 -21086446
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 21086447 can be divided by 4 positive divisors. The sum of these divisors (counting 21086447) is 1, the average is 0.25.

Base conversion 21086447

Base System Value
2 Binary 1010000011100000011101111
3 Ternary 1110200022011112
4 Quaternary 1100130003233
5 Quinary 20344231242
6 Senary 2031542235
8 Octal 120340357
10 Decimal 21086447
12 Duodecimal 708a97b
16 Hexadecimal 141c0ef
20 Vigesimal 6bfg27
36 Base36 cjyen

Cryptographic Hash Functions

md5 857abfb86e76dc86ac087c39a94148c2
sha1 a864a47d1afd7d413292620b85f22207c6c05868
sha256 d77bde69cf27fa3b7a88b37efc6c8ac6f8c719926c568550a65bce1586484f19
sha512 d6ee995f29f42140f2832c7538ffe02096ae8acbd00edaf87135e2b2cf24ce32a4af47e0d1d4b2412a477a9a08fc9b4cf6fd25dec8bf4cd4916a3294d6cb7fe6
ripemd-160 b3419dd3060c26e674d17a70f95714c4fa23ae39

21086447 as geometric shapes

Circle

Radius = n
Diameter 42172894
Circumference 132490053.97102
Area 1.3968722505435E+15

Sphere

Radius = n
Volume 3.9273430235809E+22
Surface area 5.5874890021742E+15
Circumference 132490053.97102

Square

Length = n
Perimeter 84345788
Area 444638247083809
Diagonal 29820739.329661

Cube

Length = n
Surface area 2667829482502854
Volume 9.3758408313056E+21
Space diagonal 36522797.555108

Equilateral Triangle

Length = n
Perimeter 63259341
Area 1.9253400873438E+14
Altitude 18261398.777554

Triangular Pyramid

Length = n
Surface area 1.9253400873438E+14
Volume 1.1049534385237E+21
Height 9940246.4432205