21000285 (number)

21000285 is an odd 8-digits composite number following 21000284 and preceding 21000286. In scientific notation, it is written as 2.1000285 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 11200128 positive integers (up to 21000285) that are relatively prime to 21000285.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred eighty-five

Notation

Scientific notation 2.1000285 × 10^7
Engineering notation 2.1000285 × 10^6

Prime Factorization of 21000285

Prime Factorization 9 × 5 × 466673

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000285
Product of the distinct prime numbers

The prime factorization of 21000285 is 9 × 5 × 466673. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000285)

Multiplication

n×y
n×2 42000570
n×3 63000855
n×4 84001140
n×5 105001425

Division

n÷y
n÷2 10500142.5
n÷3 7000095
n÷3 5250071.25
n÷5 4200057

Exponentiation

ny
n2 441011970081225
n3 9.2613770601172E+21
n4 1.9449155775492E+29
n5 4.0843781429473E+36

Nth Root

y√n
2√n 4582.6067908997
3√n 275.89366571721
4√n 67.694953954484
5√n 29.137013671298

Divisors of 21000285

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 -21000284
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 21000285 can be divided by 8 positive divisors. The sum of these divisors (counting 21000285) is 1, the average is 0.125.

Base conversion 21000285

Base System Value
2 Binary 1010000000111000001011101
3 Ternary 1110111220222100
4 Quaternary 1100013001131
5 Quinary 20334002120
6 Senary 2030035313
8 Octal 120070135
10 Decimal 21000285
12 Duodecimal 7048b39
16 Hexadecimal 140705d
20 Vigesimal 6b50e5
36 Base36 ci3x9

Cryptographic Hash Functions

md5 ddaf0a562f0d698a668561b3764ddf37
sha1 9f1d1b982f0fbba7dc5758c304a2c67dd12054c2
sha256 eedfbc11f984d1dc8c9204ab926322f107924274830a68733ca38129fac98dab
sha512 f8bf1a8181dee7178f4843d89aef7923d1fb6da86198497d340c4f774986169a6dfa682ed9ccb34fbb02b4a5e1e2c8a8007d0d69e5e30df42264e4e725214e63
ripemd-160 361f60ba1426cabcf5f24bcbc789ad4d1adbb90e

21000285 as geometric shapes

Circle

Radius = n
Diameter 42000570
Circumference 131948682.15858
Area 1.3854799653523E+15

Sphere

Radius = n
Volume 3.8793965512252E+22
Surface area 5.5419198614094E+15
Circumference 131948682.15858

Square

Length = n
Perimeter 84001140
Area 441011970081225
Diagonal 29698887.8607

Cube

Length = n
Surface area 2646071820487350
Volume 9.2613770601172E+21
Space diagonal 36373560.593427

Equilateral Triangle

Length = n
Perimeter 63000855
Area 1.9096378473168E+14
Altitude 18186780.296713

Triangular Pyramid

Length = n
Surface area 1.9096378473168E+14
Volume 1.0914637537224E+21
Height 9899629.2869001