21252906 (number)

21252906 is an even 8-digits composite number following 21252905 and preceding 21252907. In scientific notation, it is written as 2.1252906 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6711336 positive integers (up to 21252906) that are relatively prime to 21252906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1252906 × 10^7
Engineering notation 2.1252906 × 10^6

Prime Factorization of 21252906

Prime Factorization 2 × 9 × 19 × 62143

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21252906
Product of the distinct prime numbers

The prime factorization of 21252906 is 2 × 9 × 19 × 62143. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21252906)

Multiplication

n×y
n×2 42505812
n×3 63758718
n×4 85011624
n×5 106264530

Division

n÷y
n÷2 10626453
n÷3 7084302
n÷3 5313226.5
n÷5 4250581.2

Exponentiation

ny
n2 451686013444836
n3 9.5996403852578E+21
n4 2.0402025474169E+29
n5 4.3360232961212E+36

Nth Root

y√n
2√n 4610.0874178263
3√n 276.99553833821
4√n 67.897624537433
5√n 29.206778986013

Divisors of 21252906

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 -21252905
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 21252906 can be divided by 16 positive divisors. The sum of these divisors (counting 21252906) is 1, the average is 0.0625.

Base conversion 21252906

Base System Value
2 Binary 1010001000100101100101010
3 Ternary 1110222202111200
4 Quaternary 1101010230222
5 Quinary 20420043111
6 Senary 2035305030
8 Octal 121045452
10 Decimal 21252906
12 Duodecimal 714b176
16 Hexadecimal 1444b2a
20 Vigesimal 6cgc56
36 Base36 cniui

Cryptographic Hash Functions

md5 0e7bd3fefeb0a5ee22e070ea5363bb73
sha1 c786670e426f95df38be467bb7b18c96984d626b
sha256 5a6d02ca25a154d3d33f7d4f008757c45514b8c772b9c50df58a60e62dd85cfd
sha512 a581e2276498363130cdba29b171fb5405a368070866f75843e816648e3f6f1d7294e7bc8168ff236f103e278187deae42d4c894022a9af87745c9a1d025a000
ripemd-160 099a19ea5860625d62d98811e065bdfd91126f77

21252906 as geometric shapes

Circle

Radius = n
Diameter 42505812
Circumference 133535946.71407
Area 1.4190134615676E+15

Sphere

Radius = n
Volume 4.021087961524E+22
Surface area 5.6760538462702E+15
Circumference 133535946.71407

Square

Length = n
Perimeter 85011624
Area 451686013444836
Diagonal 30056147.905041

Cube

Length = n
Surface area 2710116080669016
Volume 9.5996403852578E+21
Space diagonal 36811113.000485

Equilateral Triangle

Length = n
Perimeter 63758718
Area 1.9558578108867E+14
Altitude 18405556.500243

Triangular Pyramid

Length = n
Surface area 1.9558578108867E+14
Volume 1.1313284688947E+21
Height 10018715.968347