21086439 (number)

21086439 is an odd 8-digits composite number following 21086438 and preceding 21086440. In scientific notation, it is written as 2.1086439 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 12684960 positive integers (up to 21086439) that are relatively prime to 21086439.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1086439 × 10^7
Engineering notation 2.1086439 × 10^6

Prime Factorization of 21086439

Prime Factorization 3 × 11 × 139 × 4597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21086439
Product of the distinct prime numbers

The prime factorization of 21086439 is 3 × 11 × 139 × 4597. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 11, 99, 915, 697, 8611, 4828, 9208, 334, 870225, 913517, 2450395, 4822367, 24575630, 65480005, 506436286, 327678895, 2374391648, 9560941408

Basic calculations (n = 21086439)

Multiplication

n×y
n×2 42172878
n×3 63259317
n×4 84345756
n×5 105432195

Division

n÷y
n÷2 10543219.5
n÷3 7028813
n÷3 5271609.75
n÷5 4217287.8

Exponentiation

ny
n2 444637909700721
n3 9.3758301599918E+21
n4 1.9770287074303E+29
n5 4.1688495240477E+36

Nth Root

y√n
2√n 4591.9972778738
3√n 276.27043698574
4√n 67.764277299133
5√n 29.160881547542

Divisors of 21086439

1, 3, 11, 33, 139, 417, 1529, 4587, 4597, 13791, 50567, 151701, 638983, 1916949, 7028813, 21086439

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086438
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086439 can be divided by 16 positive divisors. The sum of these divisors (counting 21086439) is 1, the average is 0.0625.

Base conversion 21086439

Base System Value
2 Binary 1010000011100000011100111
3 Ternary 1110200022011020
4 Quaternary 1100130003213
5 Quinary 20344231224
6 Senary 2031542223
8 Octal 120340347
10 Decimal 21086439
12 Duodecimal 708a973
16 Hexadecimal 141c0e7
20 Vigesimal 6bfg1j
36 Base36 cjyef

Cryptographic Hash Functions

md5 d1a68682859ae63fe2a044b0386c8bde
sha1 d8eef7378d52b19294d2e1f9f2967aecfa520b15
sha256 696e83a2460b2fd3b8a9d92f350af7d156593b2b663396e2327c98d9d1f77fc3
sha512 49e8d78bbad85f74f3112342c69edcb1b12f1c09877f5b988bfe7831805d28be57a13c34cdd78f174916def7629fc1f31a8b86da5fa8db6872bb3e3870e0525a
ripemd-160 14090a407c02f63fa5ffa9671aed2769bc60b55c

21086439 as geometric shapes

Circle

Radius = n
Diameter 42172878
Circumference 132490003.70554
Area 1.3968711906233E+15

Sphere

Radius = n
Volume 3.9273385535914E+22
Surface area 5.5874847624932E+15
Circumference 132490003.70554

Square

Length = n
Perimeter 84345756
Area 444637909700721
Diagonal 29820728.015953

Cube

Length = n
Surface area 2667827458204326
Volume 9.3758301599918E+21
Space diagonal 36522783.698702

Equilateral Triangle

Length = n
Perimeter 63259317
Area 1.9253386264322E+14
Altitude 18261391.849351

Triangular Pyramid

Length = n
Surface area 1.9253386264322E+14
Volume 1.1049521808973E+21
Height 9940242.6719843