21086816 (number)

21086816 is an even 8-digits composite number following 21086815 and preceding 21086817. In scientific notation, it is written as 2.1086816 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 12 positive divisors. There are 10543392 positive integers (up to 21086816) that are relatively prime to 21086816.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1086816 × 10^7
Engineering notation 2.1086816 × 10^6

Prime Factorization of 21086816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 658963

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1317926
Product of the distinct prime numbers

The prime factorization of 21086816 is 2 × 2 × 2 × 2 × 2 × 658963. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 9, 18, 23, 744, 798, 7549, 9595, 84429, 5625, 654661, 681103, 2043533, 5412720, 25687577, 2308536, 280776236, 628913569, 6881578542, 6690578479

Basic calculations (n = 21086816)

Multiplication

n×y
n×2 42173632
n×3 63260448
n×4 84347264
n×5 105434080

Division

n÷y
n÷2 10543408
n÷3 7028938.6666667
n÷3 5271704
n÷5 4217363.2

Exponentiation

ny
n2 444653809017856
n3 9.3763330544587E+21
n4 1.9771700987409E+29
n5 4.1692222072851E+36

Nth Root

y√n
2√n 4592.0383273662
3√n 276.27208343624
4√n 67.764580182911
5√n 29.160985819048

Divisors of 21086816

1, 2, 4, 8, 16, 32, 658963, 1317926, 2635852, 5271704, 10543408, 21086816

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086816 can be divided by 12 positive divisors. The sum of these divisors (counting 21086816) is 1, the average is 0.083333333333333.

Base conversion 21086816

Base System Value
2 Binary 1010000011100001001100000
3 Ternary 1110200022200012
4 Quaternary 1100130021200
5 Quinary 20344234231
6 Senary 2031544052
8 Octal 120341140
10 Decimal 21086816
12 Duodecimal 708b028
16 Hexadecimal 141c260
20 Vigesimal 6bfh0g
36 Base36 cjyow

Cryptographic Hash Functions

md5 1e44ba8ff323c99ec657c9ebca85054c
sha1 f87399a01901c432fb5f8fe609e08276ed9a75af
sha256 5349e3d59faa20fe76ad0f671a26bf5774000769a4621f09c4440a52a4caa1ab
sha512 0458b011d7ecd74f1d9c01f53581010df56c5c5a136c35afbdb47dc4e73cbc2ce55fa63f521f5d5b69194ab3ef8de8cffca1f1f36980c8a92ad1c6efa3b0cedb
ripemd-160 982fe157b19cbd2782bc5ade497c67b77adfb3c9

21086816 as geometric shapes

Circle

Radius = n
Diameter 42173632
Circumference 132492372.4664
Area 1.3969211398012E+15

Sphere

Radius = n
Volume 3.9275492055331E+22
Surface area 5.5876845592049E+15
Circumference 132492372.4664

Square

Length = n
Perimeter 84347264
Area 444653809017856
Diagonal 29821261.174466

Cube

Length = n
Surface area 2667922854107136
Volume 9.3763330544587E+21
Space diagonal 36523436.681856

Equilateral Triangle

Length = n
Perimeter 63260448
Area 1.9254074724949E+14
Altitude 18261718.340928

Triangular Pyramid

Length = n
Surface area 1.9254074724949E+14
Volume 1.1050114475786E+21
Height 9940420.3914887