21000664 (number)

21000664 is an even 8-digits composite number following 21000663 and preceding 21000665. In scientific notation, it is written as 2.1000664 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 16 positive divisors. There are 10352160 positive integers (up to 21000664) that are relatively prime to 21000664.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred sixty-four

Notation

Scientific notation 2.1000664 × 10^7
Engineering notation 2.1000664 × 10^6

Prime Factorization of 21000664

Prime Factorization 2 × 2 × 2 × 71 × 36973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5250166
Product of the distinct prime numbers

The prime factorization of 21000664 is 2 × 2 × 2 × 71 × 36973. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 60, 44, 650, 644, 3796, 6578, 69384, 2493, 905074, 657919, 1399008, 4556672, 82690888, 69398290, 100201455, 732360054, 5236534169, 7068922539

Basic calculations (n = 21000664)

Multiplication

n×y
n×2 42001328
n×3 63001992
n×4 84002656
n×5 105003320

Division

n÷y
n÷2 10500332
n÷3 7000221.3333333
n÷3 5250166
n÷5 4200132.8

Exponentiation

ny
n2 441027888440896
n3 9.2618784997767E+21
n4 1.9450559838264E+29
n5 4.0847467177527E+36

Nth Root

y√n
2√n 4582.6481427227
3√n 275.89532542596
4√n 67.695259381457
5√n 29.137118839856

Divisors of 21000664

1, 2, 4, 8, 71, 142, 284, 568, 36973, 73946, 147892, 295784, 2625083, 5250166, 10500332, 21000664

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 -21000663
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 21000664 can be divided by 16 positive divisors. The sum of these divisors (counting 21000664) is 1, the average is 0.0625.

Base conversion 21000664

Base System Value
2 Binary 1010000000111000111011000
3 Ternary 1110111221111101
4 Quaternary 1100013013120
5 Quinary 20334010124
6 Senary 2030041144
8 Octal 120070730
10 Decimal 21000664
12 Duodecimal 70491b4
16 Hexadecimal 14071d8
20 Vigesimal 6b51d4
36 Base36 ci47s

Cryptographic Hash Functions

md5 43dc31a5dc89f9e1972023a26fa3131b
sha1 c24e77ef916f2390e2c92fd27ac479f263d8e05b
sha256 35b47418c8ecdec6771ee3e24806862dd9dc43d60c49b7a3e60231e1d48bb1cb
sha512 08955fba6d115af06ca48c34c592005dc9a19c1ccf918ecf7fc3438c1d1dfa0f351f496f8ed856ef73f95a703018a2f3a3ed996387d5e19bccff609d01aca272
ripemd-160 95f42266c2fd48fd6243a2b00fa9aab88c778c04

21000664 as geometric shapes

Circle

Radius = n
Diameter 42001328
Circumference 131951063.48582
Area 1.3855299743541E+15

Sphere

Radius = n
Volume 3.8796065937786E+22
Surface area 5.5421198974166E+15
Circumference 131951063.48582

Square

Length = n
Perimeter 84002656
Area 441027888440896
Diagonal 29699423.84764

Cube

Length = n
Surface area 2646167330645376
Volume 9.2618784997767E+21
Space diagonal 36374217.040683

Equilateral Triangle

Length = n
Perimeter 63001992
Area 1.9097067758361E+14
Altitude 18187108.520341

Triangular Pyramid

Length = n
Surface area 1.9097067758361E+14
Volume 1.091522848953E+21
Height 9899807.9492135