21000768 (number)

21000768 is an even 8-digits composite number following 21000767 and preceding 21000769. In scientific notation, it is written as 2.1000768 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 28 positive divisors. There are 7000192 positive integers (up to 21000768) that are relatively prime to 21000768.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred sixty-eight

Notation

Scientific notation 2.1000768 × 10^7
Engineering notation 2.1000768 × 10^6

Prime Factorization of 21000768

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 109379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 656274
Product of the distinct prime numbers

The prime factorization of 21000768 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 109379. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 6, 91, 81, 280, 226, 4397, 848, 19792, 76053, 980911, 954592, 8937424, 4302204, 83779926, 22936470, 422927783, 410577722, 7150831258, 1740857663

Basic calculations (n = 21000768)

Multiplication

n×y
n×2 42001536
n×3 63002304
n×4 84003072
n×5 105003840

Division

n÷y
n÷2 10500384
n÷3 7000256
n÷3 5250192
n÷5 4200153.6

Exponentiation

ny
n2 441032256589824
n3 9.2620161011594E+21
n4 1.9450945135271E+29
n5 4.0848478616656E+36

Nth Root

y√n
2√n 4582.6594898596
3√n 275.89578085706
4√n 67.695343191829
5√n 29.137147698509

Divisors of 21000768

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 109379, 218758, 328137, 437516, 656274, 875032, 1312548, 1750064, 2625096, 3500128, 5250192, 7000256, 10500384, 21000768

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000768 can be divided by 28 positive divisors. The sum of these divisors (counting 21000768) is 1, the average is 0.035714285714286.

Base conversion 21000768

Base System Value
2 Binary 1010000000111001001000000
3 Ternary 1110111221122020
4 Quaternary 1100013021000
5 Quinary 20334011033
6 Senary 2030041440
8 Octal 120071100
10 Decimal 21000768
12 Duodecimal 7049280
16 Hexadecimal 1407240
20 Vigesimal 6b51i8
36 Base36 ci4ao

Cryptographic Hash Functions

md5 d5e0e6ace7030b0bfa396481c8671135
sha1 125d16925eed92b61b3eae488c9a2576561b95e4
sha256 a5d487dcb8ab0e19f2c8095431bf7ea63a7b981ade861a1ffeef4e83eaf05db1
sha512 6df3adc0e3e72562464b32378934e94cbe617101dacd1e6118b41291e9199223114e1554dba66c874423289ccd19433378cf7b6f81de64247c42192a7d9ffc23
ripemd-160 1baae64101d5d9d9ed7bfc9d89d50da238e9716e

21000768 as geometric shapes

Circle

Radius = n
Diameter 42001536
Circumference 131951716.93709
Area 1.3855436972987E+15

Sphere

Radius = n
Volume 3.879664232111E+22
Surface area 5.5421747891949E+15
Circumference 131951716.93709

Square

Length = n
Perimeter 84003072
Area 441032256589824
Diagonal 29699570.925851

Cube

Length = n
Surface area 2646193539538944
Volume 9.2620161011594E+21
Space diagonal 36374397.173967

Equilateral Triangle

Length = n
Perimeter 63002304
Area 1.9097256904758E+14
Altitude 18187198.586983

Triangular Pyramid

Length = n
Surface area 1.9097256904758E+14
Volume 1.0915390654315E+21
Height 9899856.9752836