21356906 (number)

21356906 is an even 8-digits composite number following 21356905 and preceding 21356907. In scientific notation, it is written as 2.1356906 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10678452 positive integers (up to 21356906) that are relatively prime to 21356906.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand nine hundred six

Notation

Scientific notation 2.1356906 × 10^7
Engineering notation 2.1356906 × 10^6

Prime Factorization of 21356906

Prime Factorization 2 × 10678453

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21356906
Product of the distinct prime numbers

The prime factorization of 21356906 is 2 × 10678453. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21356906)

Multiplication

n×y
n×2 42713812
n×3 64070718
n×4 85427624
n×5 106784530

Division

n÷y
n÷2 10678453
n÷3 7118968.6666667
n÷3 5339226.5
n÷5 4271381.2

Exponentiation

ny
n2 456117433892836
n3 9.7412571606105E+21
n4 2.0804311350099E+29
n5 4.4431572189879E+36

Nth Root

y√n
2√n 4621.353265008
3√n 277.44662447704
4√n 67.980535927631
5√n 29.235307572757

Divisors of 21356906

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 -21356905
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 21356906 can be divided by 4 positive divisors. The sum of these divisors (counting 21356906) is 1, the average is 0.25.

Base conversion 21356906

Base System Value
2 Binary 1010001011110000101101010
3 Ternary 1111012001011112
4 Quaternary 1101132011222
5 Quinary 20431410111
6 Senary 2041430322
8 Octal 121360552
10 Decimal 21356906
12 Duodecimal 719b3a2
16 Hexadecimal 145e16a
20 Vigesimal 6d9c56
36 Base36 cpr3e

Cryptographic Hash Functions

md5 235584dd9e228984e5c4ccad2bc8d97f
sha1 06170a55255303cc4f9a6924750655b704fa4e8f
sha256 eed1cd85e5ae88b8a0858ad47e54416497e7aa711aff630e4434b1237f4cdcb5
sha512 6cb3a33af282634ad8991a582fc9bc98dd61acb585400789cb4f692e7d50a4518b308c5525bdf45cdc7f58cad7caf98c7c1cb38d2f53ad50cdda621a8fd7647d
ripemd-160 926da01c8831fbe9fc7618365c4b1805f45593b0

21356906 as geometric shapes

Circle

Radius = n
Diameter 42713812
Circumference 134189397.98602
Area 1.432935179492E+15

Sphere

Radius = n
Volume 4.0804082576671E+22
Surface area 5.7317407179678E+15
Circumference 134189397.98602

Square

Length = n
Perimeter 85427624
Area 456117433892836
Diagonal 30203226.115527

Cube

Length = n
Surface area 2736704603357016
Volume 9.7412571606105E+21
Space diagonal 36991246.284473

Equilateral Triangle

Length = n
Perimeter 64070718
Area 1.9750464243008E+14
Altitude 18495623.142236

Triangular Pyramid

Length = n
Surface area 1.9750464243008E+14
Volume 1.148018165925E+21
Height 10067742.038509