21303905 (number)

21303905 is an odd 8-digits composite number following 21303904 and preceding 21303906. In scientific notation, it is written as 2.1303905 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 14400960 positive integers (up to 21303905) that are relatively prime to 21303905.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred three thousand nine hundred five

Notation

Scientific notation 2.1303905 × 10^7
Engineering notation 2.1303905 × 10^6

Prime Factorization of 21303905

Prime Factorization 35 × 71 × 8573

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21303905
Product of the distinct prime numbers

The prime factorization of 21303905 is 35 × 71 × 8573. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21303905)

Multiplication

n×y
n×2 42607810
n×3 63911715
n×4 85215620
n×5 106519525

Division

n÷y
n÷2 10651952.5
n÷3 7101301.6666667
n÷3 5325976.25
n÷5 4260781

Exponentiation

ny
n2 453856368249025
n3 9.6689129528222E+21
n4 2.0598560300019E+29
n5 4.3882977176839E+36

Nth Root

y√n
2√n 4615.6153435918
3√n 277.21692313879
4√n 67.938320141079
5√n 29.220782613228

Divisors of 21303905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21303904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21303905 can be divided by 8 positive divisors. The sum of these divisors (counting 21303905) is 1, the average is 0.125.

Base conversion 21303905

Base System Value
2 Binary 1010001010001001001100001
3 Ternary 1111002100110112
4 Quaternary 1101101021201
5 Quinary 20423211110
6 Senary 2040341105
8 Octal 121211141
10 Decimal 21303905
12 Duodecimal 7174795
16 Hexadecimal 1451261
20 Vigesimal 6d2jf5
36 Base36 com75

Cryptographic Hash Functions

md5 4b5ec4a1c6fbdc363dcd4511aa5c8450
sha1 68c43248a1fd6db71ed238b65b492f0908dc9276
sha256 acbab7f4542363efe309eadce5ef5002d0f68aaee3b0a7f36a3fa6bd0429b817
sha512 1162ad574b19982c8243c850cc605c2b3e390f90fa87ff8ee0557a2395608979124192bbf18f99070dbcf3d640ab93843eff82ef1944f7009d222cd9370e18ea
ripemd-160 7d224da48710614b9802cf9e205fb6f04a6fd4fb

21303905 as geometric shapes

Circle

Radius = n
Diameter 42607810
Circumference 133856382.88155
Area 1.4258318322761E+15

Sphere

Radius = n
Volume 4.0501047867714E+22
Surface area 5.7033273291043E+15
Circumference 133856382.88155

Square

Length = n
Perimeter 85215620
Area 453856368249025
Diagonal 30128271.382508

Cube

Length = n
Surface area 2723138209494150
Volume 9.6689129528222E+21
Space diagonal 36899445.859621

Equilateral Triangle

Length = n
Perimeter 63911715
Area 1.965255722865E+14
Altitude 18449722.92981

Triangular Pyramid

Length = n
Surface area 1.965255722865E+14
Volume 1.1394923192738E+21
Height 10042757.127503