21000305 (number)

21000305 is an odd 8-digits composite number following 21000304 and preceding 21000306. In scientific notation, it is written as 2.1000305 × 10^7. The sum of its digits is 11. It has a total of 3 prime factors and 8 positive divisors. There are 16442608 positive integers (up to 21000305) that are relatively prime to 21000305.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred five

Notation

Scientific notation 2.1000305 × 10^7
Engineering notation 2.1000305 × 10^6

Prime Factorization of 21000305

Prime Factorization 5 × 47 × 89363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000305
Product of the distinct prime numbers

The prime factorization of 21000305 is 5 × 47 × 89363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000305)

Multiplication

n×y
n×2 42000610
n×3 63000915
n×4 84001220
n×5 105001525

Division

n÷y
n÷2 10500152.5
n÷3 7000101.6666667
n÷3 5250076.25
n÷5 4200061

Exponentiation

ny
n2 441012810093025
n3 9.2614035208606E+21
n4 1.9449229866615E+29
n5 4.0843975921402E+36

Nth Root

y√n
2√n 4582.6089730633
3√n 275.89375330129
4√n 67.694970072106
5√n 29.137019221128

Divisors of 21000305

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 -21000304
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 21000305 can be divided by 8 positive divisors. The sum of these divisors (counting 21000305) is 1, the average is 0.125.

Base conversion 21000305

Base System Value
2 Binary 1010000000111000001110001
3 Ternary 1110111221000002
4 Quaternary 1100013001301
5 Quinary 20334002210
6 Senary 2030035345
8 Octal 120070161
10 Decimal 21000305
12 Duodecimal 7048b55
16 Hexadecimal 1407071
20 Vigesimal 6b50f5
36 Base36 ci3xt

Cryptographic Hash Functions

md5 92a9e816482c6afdef91588c82364414
sha1 60256d372294a19d01d932b2219365468c195d1b
sha256 0b89a07952d4fd2723a0f26a4c4c0b70a858b9815e66f8e53a1a18fcda56a574
sha512 ed12095a6100a0c9c286783697d7bf284fe1cf921410a50ec69580efee6f385b3fa45aa13a72e66e461dba81d46240d1bffa067394b7227f78e0a387ca262cf8
ripemd-160 3af9b3376af254d486156d3306db4c09efaaec17

21000305 as geometric shapes

Circle

Radius = n
Diameter 42000610
Circumference 131948807.82229
Area 1.3854826043272E+15

Sphere

Radius = n
Volume 3.8794076350755E+22
Surface area 5.541930417309E+15
Circumference 131948807.82229

Square

Length = n
Perimeter 84001220
Area 441012810093025
Diagonal 29698916.144972

Cube

Length = n
Surface area 2646076860558150
Volume 9.2614035208606E+21
Space diagonal 36373595.234443

Equilateral Triangle

Length = n
Perimeter 63000915
Area 1.9096414846746E+14
Altitude 18186797.617221

Triangular Pyramid

Length = n
Surface area 1.9096414846746E+14
Volume 1.0914668721509E+21
Height 9899638.7149905