21000864 (number)

21000864 is an even 8-digits composite number following 21000863 and preceding 21000865. In scientific notation, it is written as 2.1000864 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 48 positive divisors. There are 6966528 positive integers (up to 21000864) that are relatively prime to 21000864.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-four

Notation

Scientific notation 2.1000864 × 10^7
Engineering notation 2.1000864 × 10^6

Prime Factorization of 21000864

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 283 × 773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1312554
Product of the distinct prime numbers

The prime factorization of 21000864 is 2 × 2 × 2 × 2 × 2 × 3 × 283 × 773. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000864)

Multiplication

n×y
n×2 42001728
n×3 63002592
n×4 84003456
n×5 105004320

Division

n÷y
n÷2 10500432
n÷3 7000288
n÷3 5250216
n÷5 4200172.8

Exponentiation

ny
n2 441036288746496
n3 9.2621431190299E+21
n4 1.9451300799128E+29
n5 4.0849412270558E+36

Nth Root

y√n
2√n 4582.6699641148
3√n 275.89620125366
4√n 67.695420554974
5√n 29.137174337164

Divisors of 21000864

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000864 can be divided by 48 positive divisors. The sum of these divisors (counting 21000864) is 1, the average is 0.020833333333333.

Base conversion 21000864

Base System Value
2 Binary 1010000000111001010100000
3 Ternary 1110111221202210
4 Quaternary 1100013022200
5 Quinary 20334011424
6 Senary 2030042120
8 Octal 120071240
10 Decimal 21000864
12 Duodecimal 7049340
16 Hexadecimal 14072a0
20 Vigesimal 6b5234
36 Base36 ci4dc

Cryptographic Hash Functions

md5 2a9c988e7508307a23fcdfcf4c1c321d
sha1 ac5a73d635f9d01b12794f4019b89c97efd573d9
sha256 706c1f3302d8a867eab17e4950f34ccfe0a060dd27f4ed41349e930ee976b1ce
sha512 5be0ba6bd329e36f882ab29ec965d95de05e430cd5ffa81f69a1c0aee145ade330e5c808896b39bad92927ccd1f18e09ca38ae6ef8493fcf75821170d01b5399
ripemd-160 a8cbdb3d08f6cfd2c6d5c971fd71856099ef19e1

21000864 as geometric shapes

Circle

Radius = n
Diameter 42001728
Circumference 131952320.12288
Area 1.3855563646925E+15

Sphere

Radius = n
Volume 3.8797174372322E+22
Surface area 5.54222545877E+15
Circumference 131952320.12288

Square

Length = n
Perimeter 84003456
Area 441036288746496
Diagonal 29699706.690353

Cube

Length = n
Surface area 2646217732478976
Volume 9.2621431190299E+21
Space diagonal 36374563.450844

Equilateral Triangle

Length = n
Perimeter 63002592
Area 1.9097431502264E+14
Altitude 18187281.725422

Triangular Pyramid

Length = n
Surface area 1.9097431502264E+14
Volume 1.0915540346311E+21
Height 9899902.2301176