21085936 (number)

21085936 is an even 8-digits composite number following 21085935 and preceding 21085937. In scientific notation, it is written as 2.1085936 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 10524096 positive integers (up to 21085936) that are relatively prime to 21085936.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1085936 × 10^7
Engineering notation 2.1085936 × 10^6

Prime Factorization of 21085936

Prime Factorization 2 × 2 × 2 × 2 × 907 × 1453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2635742
Product of the distinct prime numbers

The prime factorization of 21085936 is 2 × 2 × 2 × 2 × 907 × 1453. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085936)

Multiplication

n×y
n×2 42171872
n×3 63257808
n×4 84343744
n×5 105429680

Division

n÷y
n÷2 10542968
n÷3 7028645.3333333
n÷3 5271484
n÷5 4217187.2

Exponentiation

ny
n2 444616696996096
n3 9.3751592173911E+21
n4 1.9768400724772E+29
n5 4.1683523250489E+36

Nth Root

y√n
2√n 4591.9425083509
3√n 276.26824023211
4√n 67.763873179969
5√n 29.160742424351

Divisors of 21085936

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21085935
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085936 can be divided by 20 positive divisors. The sum of these divisors (counting 21085936) is 1, the average is 0.05.

Base conversion 21085936

Base System Value
2 Binary 1010000011011111011110000
3 Ternary 1110200021110121
4 Quaternary 1100123323300
5 Quinary 20344222221
6 Senary 2031540024
8 Octal 120337360
10 Decimal 21085936
12 Duodecimal 708a614
16 Hexadecimal 141bef0
20 Vigesimal 6bfegg
36 Base36 cjy0g

Cryptographic Hash Functions

md5 4c8d86c7f0cd5f11ddec173c83dbee82
sha1 5315dc737e0b77305151731bdf6ae507fb371d21
sha256 d9d2b19cc4253f114f68fd94bc142daf37236d1c1c3d012e933ccfd180c27a93
sha512 9ec31e44c5831f6211d04dfabdc1c1cd91780f2d60174f0558e82c45aa27d20d8c3250e25ca484d9706e2b5aaed74bf3f2c1f7d4d26e921f7c2e8148231674ac
ripemd-160 f9f976d7bc5049324517eaf2af70cd72e92e0715

21085936 as geometric shapes

Circle

Radius = n
Diameter 42171872
Circumference 132486843.26333
Area 1.3968045489463E+15

Sphere

Radius = n
Volume 3.9270575098121E+22
Surface area 5.5872181957852E+15
Circumference 132486843.26333

Square

Length = n
Perimeter 84343744
Area 444616696996096
Diagonal 29820016.666531

Cube

Length = n
Surface area 2667700181976576
Volume 9.3751592173911E+21
Space diagonal 36521912.477146

Equilateral Triangle

Length = n
Perimeter 63257808
Area 1.9252467727267E+14
Altitude 18260956.238573

Triangular Pyramid

Length = n
Surface area 1.9252467727267E+14
Volume 1.1048731095535E+21
Height 9940005.5555104