21086817 (number)

21086817 is an odd 8-digits composite number following 21086816 and preceding 21086818. In scientific notation, it is written as 2.1086817 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13110272 positive integers (up to 21086817) that are relatively prime to 21086817.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand eight hundred seventeen

Notation

Scientific notation 2.1086817 × 10^7
Engineering notation 2.1086817 × 10^6

Prime Factorization of 21086817

Prime Factorization 3 × 113 × 17 × 3659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21086817
Product of the distinct prime numbers

The prime factorization of 21086817 is 3 × 113 × 17 × 3659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086817)

Multiplication

n×y
n×2 42173634
n×3 63260451
n×4 84347268
n×5 105434085

Division

n÷y
n÷2 10543408.5
n÷3 7028939
n÷3 5271704.25
n÷5 4217363.4

Exponentiation

ny
n2 444653851191489
n3 9.3763343884202E+21
n4 1.9771704737942E+29
n5 4.1692231958702E+36

Nth Root

y√n
2√n 4592.0384362503
3√n 276.27208780346
4√n 67.764580986311
5√n 29.160986095628

Divisors of 21086817

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 -21086816
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 21086817 can be divided by 16 positive divisors. The sum of these divisors (counting 21086817) is 1, the average is 0.0625.

Base conversion 21086817

Base System Value
2 Binary 1010000011100001001100001
3 Ternary 1110200022200020
4 Quaternary 1100130021201
5 Quinary 20344234232
6 Senary 2031544053
8 Octal 120341141
10 Decimal 21086817
12 Duodecimal 708b029
16 Hexadecimal 141c261
20 Vigesimal 6bfh0h
36 Base36 cjyox

Cryptographic Hash Functions

md5 4438bd12316a2f6d210e50351a633203
sha1 0d59f6b14283cafe2e2a351a6f17135f4b327ec9
sha256 2d50fd34e5211403c3d1e120cc157c3ee85714d77693e3cd87d9d9eccc1d002a
sha512 caa2e3bed35e4a92afd3848f511e7a7704abc76077615c1265e56b6c3e603eda98f3e2c3b03a00716a949aefbf00c746087a9923e5f625f033a307016ed7e53f
ripemd-160 892422e02b7468ef86caa102f5098fda21c115ef

21086817 as geometric shapes

Circle

Radius = n
Diameter 42173634
Circumference 132492378.74958
Area 1.3969212722936E+15

Sphere

Radius = n
Volume 3.9275497643016E+22
Surface area 5.5876850891744E+15
Circumference 132492378.74958

Square

Length = n
Perimeter 84347268
Area 444653851191489
Diagonal 29821262.58868

Cube

Length = n
Surface area 2667923107148934
Volume 9.3763343884202E+21
Space diagonal 36523438.413907

Equilateral Triangle

Length = n
Perimeter 63260451
Area 1.9254076551121E+14
Altitude 18261719.206954

Triangular Pyramid

Length = n
Surface area 1.9254076551121E+14
Volume 1.1050116047874E+21
Height 9940420.8628932