21086961 (number)

21086961 is an odd 8-digits composite number following 21086960 and preceding 21086962. In scientific notation, it is written as 2.1086961 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12049680 positive integers (up to 21086961) that are relatively prime to 21086961.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand nine hundred sixty-one

Notation

Scientific notation 2.1086961 × 10^7
Engineering notation 2.1086961 × 10^6

Prime Factorization of 21086961

Prime Factorization 3 × 7 × 1004141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21086961
Product of the distinct prime numbers

The prime factorization of 21086961 is 3 × 7 × 1004141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086961)

Multiplication

n×y
n×2 42173922
n×3 63260883
n×4 84347844
n×5 105434805

Division

n÷y
n÷2 10543480.5
n÷3 7028987
n÷3 5271740.25
n÷5 4217392.2

Exponentiation

ny
n2 444659924215521
n3 9.3765264801956E+21
n4 1.9772244820335E+29
n5 4.1693655540886E+36

Nth Root

y√n
2√n 4592.0541155348
3√n 276.27271668121
4√n 67.764696675591
5√n 29.161025923076

Divisors of 21086961

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086961 can be divided by 8 positive divisors. The sum of these divisors (counting 21086961) is 1, the average is 0.125.

Base conversion 21086961

Base System Value
2 Binary 1010000011100001011110001
3 Ternary 1110200022212120
4 Quaternary 1100130023301
5 Quinary 20344240321
6 Senary 2031544453
8 Octal 120341361
10 Decimal 21086961
12 Duodecimal 708b129
16 Hexadecimal 141c2f1
20 Vigesimal 6bfh81
36 Base36 cjysx

Cryptographic Hash Functions

md5 588ac36f7f4a02f57c7ce687c86d0a49
sha1 8bc8ab4c93f2072accf4428c448c4ef161fe9e81
sha256 212312464eeacc66a2fb95cd020d538da22d2651a5b1fa88c11a88ff515dd954
sha512 6da3c7db73907454d1f27f0d40b7b129a9ed1e96251f8b9a8d0290d7685290935940370f3af8d399e61e7997c632db3048297698f72a785b197fce3c9f578a3b
ripemd-160 d6ff51b0856f9bc7e575234b8ce55e1f502acdfc

21086961 as geometric shapes

Circle

Radius = n
Diameter 42173922
Circumference 132493283.52827
Area 1.3969403512613E+15

Sphere

Radius = n
Volume 3.9276302275164E+22
Surface area 5.5877614050451E+15
Circumference 132493283.52827

Square

Length = n
Perimeter 84347844
Area 444659924215521
Diagonal 29821466.235433

Cube

Length = n
Surface area 2667959545293126
Volume 9.3765264801956E+21
Space diagonal 36523687.829223

Equilateral Triangle

Length = n
Perimeter 63260883
Area 1.9254339520775E+14
Altitude 18261843.914612

Triangular Pyramid

Length = n
Surface area 1.9254339520775E+14
Volume 1.1050342430203E+21
Height 9940488.7451442