21153856 (number)

21153856 is an even 8-digits composite number following 21153855 and preceding 21153857. In scientific notation, it is written as 2.1153856 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors. There are 10537088 positive integers (up to 21153856) that are relatively prime to 21153856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1153856 × 10^7
Engineering notation 2.1153856 × 10^6

Prime Factorization of 21153856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 383 × 863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 661058
Product of the distinct prime numbers

The prime factorization of 21153856 is 2 × 2 × 2 × 2 × 2 × 2 × 383 × 863. Since it has a total of 8 prime factors.

Most popular turbo-numbers

9, 7, 53, 98, 150, 656, 4391, 9374, 85590, 7346, 770225, 817801, 3836657, 5098512, 53729661, 63457323, 804279755, 380678385, 9009885003, 2530731690

Basic calculations (n = 21153856)

Multiplication

n×y
n×2 42307712
n×3 63461568
n×4 84615424
n×5 105769280

Division

n÷y
n÷2 10576928
n÷3 7051285.3333333
n÷3 5288464
n÷5 4230771.2

Exponentiation

ny
n2 447485623668736
n3 9.4660464451586E+21
n4 2.002433833902E+29
n5 4.235919697189E+36

Nth Root

y√n
2√n 4599.3321254286
3√n 276.56455191855
4√n 67.818376015861
5√n 29.179504225218

Divisors of 21153856

1, 2, 4, 8, 16, 32, 64, 383, 766, 863, 1532, 1726, 3064, 3452, 6128, 6904, 12256, 13808, 24512, 27616, 55232, 330529, 661058, 1322116, 2644232, 5288464, 10576928, 21153856

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21153855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21153856 can be divided by 28 positive divisors. The sum of these divisors (counting 21153856) is 1, the average is 0.035714285714286.

Base conversion 21153856

Base System Value
2 Binary 1010000101100100001000000
3 Ternary 1110210201122011
4 Quaternary 1100230201000
5 Quinary 20403410411
6 Senary 2033222304
8 Octal 120544100
10 Decimal 21153856
12 Duodecimal 7101994
16 Hexadecimal 142c840
20 Vigesimal 6c44cg
36 Base36 clef4

Cryptographic Hash Functions

md5 4c3640dd83b59ea755977d730720f217
sha1 0bee1991c3517df1a53261a6e94599a369b578d1
sha256 46675ce5c4c0e94eee3b04322e85d6a0cf0c4ba4d0051f57a2f706a4055ccf27
sha512 8e2ca307fa810fabb9bccedfe67a50b0c8d34992c9e17c3b6424164fc43eda4af77765de5647589b7b17eb49e91ddeb8ecfd932a6adf1c266f91f506d7f32027
ripemd-160 68239fd6d11e736aa243228c139a930e1326e4e5

21153856 as geometric shapes

Circle

Radius = n
Diameter 42307712
Circumference 132913597.20939
Area 1.4058175479047E+15

Sphere

Radius = n
Volume 3.9651282627534E+22
Surface area 5.623270191619E+15
Circumference 132913597.20939

Square

Length = n
Perimeter 84615424
Area 447485623668736
Diagonal 29916070.051687

Cube

Length = n
Surface area 2684913742012416
Volume 9.4660464451586E+21
Space diagonal 36639553.367996

Equilateral Triangle

Length = n
Perimeter 63461568
Area 1.9376695896272E+14
Altitude 18319776.683998

Triangular Pyramid

Length = n
Surface area 1.9376695896272E+14
Volume 1.1155842720664E+21
Height 9972023.3505625