21000742 (number)

21000742 is an even 8-digits composite number following 21000741 and preceding 21000743. In scientific notation, it is written as 2.1000742 × 10^7. The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors. There are 8985600 positive integers (up to 21000742) that are relatively prime to 21000742.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred forty-two

Notation

Scientific notation 2.1000742 × 10^7
Engineering notation 2.1000742 × 10^6

Prime Factorization of 21000742

Prime Factorization 2 × 7 × 1301 × 1153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000742
Product of the distinct prime numbers

The prime factorization of 21000742 is 2 × 7 × 1301 × 1153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 49, 59, 557, 551, 2857, 1068, 28334, 11118, 708193, 682570, 4674984, 2792020, 48285071, 7670304, 666077126, 557926750, 1448763792, 7911401889

Basic calculations (n = 21000742)

Multiplication

n×y
n×2 42001484
n×3 63002226
n×4 84002968
n×5 105003710

Division

n÷y
n÷2 10500371
n÷3 7000247.3333333
n÷3 5250185.5
n÷5 4200148.4

Exponentiation

ny
n2 441031164550564
n3 9.2619817006859E+21
n4 1.9450848810483E+29
n5 4.0848225754995E+36

Nth Root

y√n
2√n 4582.656653078
3√n 275.89566699943
4√n 67.695322239265
5√n 29.137140483856

Divisors of 21000742

1, 2, 7, 14, 1153, 1301, 2306, 2602, 8071, 9107, 16142, 18214, 1500053, 3000106, 10500371, 21000742

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 -21000741
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 21000742 can be divided by 16 positive divisors. The sum of these divisors (counting 21000742) is 1, the average is 0.0625.

Base conversion 21000742

Base System Value
2 Binary 1010000000111001000100110
3 Ternary 1110111221121021
4 Quaternary 1100013020212
5 Quinary 20334010432
6 Senary 2030041354
8 Octal 120071046
10 Decimal 21000742
12 Duodecimal 704925a
16 Hexadecimal 1407226
20 Vigesimal 6b51h2
36 Base36 ci49y

Cryptographic Hash Functions

md5 2c04d46868995da3bccbd1b904d9399a
sha1 7889d2c38add4e6279ff2f2be25aa01a83d5277d
sha256 e88f25885d2944db24f719fd5a272a6624be331d5bb811db6ae5711d3e49ad0c
sha512 9dfc6bf0af46b451db8120ab433a972fb9127a222e0ef4b1c6e4dbea52960550b3ac3c3b9e73b076cb7b568e884a3504e6635663e1f0fbe2988349dff8f45218
ripemd-160 dbb4cd7f4ae9c3fbe327a161b6126c96d9ef4df1

21000742 as geometric shapes

Circle

Radius = n
Diameter 42001484
Circumference 131951553.57427
Area 1.3855402665562E+15

Sphere

Radius = n
Volume 3.8796498224744E+22
Surface area 5.5421610662248E+15
Circumference 131951553.57427

Square

Length = n
Perimeter 84002968
Area 441031164550564
Diagonal 29699534.156298

Cube

Length = n
Surface area 2646186987303384
Volume 9.2619817006859E+21
Space diagonal 36374352.140646

Equilateral Triangle

Length = n
Perimeter 63002226
Area 1.9097209618071E+14
Altitude 18187176.070323

Triangular Pyramid

Length = n
Surface area 1.9097209618071E+14
Volume 1.0915350112968E+21
Height 9899844.7187661