21000942 (number)

21000942 is an even 8-digits composite number following 21000941 and preceding 21000943. In scientific notation, it is written as 2.1000942 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 6826680 positive integers (up to 21000942) that are relatively prime to 21000942.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred forty-two

Notation

Scientific notation 2.1000942 × 10^7
Engineering notation 2.1000942 × 10^6

Prime Factorization of 21000942

Prime Factorization 2 × 9 × 43 × 43 × 631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 488394
Product of the distinct prime numbers

The prime factorization of 21000942 is 2 × 9 × 43 × 43 × 631. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 63, 11, 826, 201, 9159, 3246, 12398, 68543, 60254, 916669, 8163641, 6335409, 88687805, 30691906, 221523018, 509085128, 7044436813, 8403662205

Basic calculations (n = 21000942)

Multiplication

n×y
n×2 42001884
n×3 63002826
n×4 84003768
n×5 105004710

Division

n÷y
n÷2 10500471
n÷3 7000314
n÷3 5250235.5
n÷5 4200188.4

Exponentiation

ny
n2 441039564887364
n3 9.2622463219048E+21
n4 1.9451589779604E+29
n5 4.0850170876925E+36

Nth Root

y√n
2√n 4582.6784744296
3√n 275.89654282496
4√n 67.695483412334
5√n 29.137195980999

Divisors of 21000942

1, 2, 9, 18, 43, 86, 387, 631, 774, 1262, 1849, 3698, 5679, 11358, 16641, 27133, 33282, 54266, 244197, 488394, 1166719, 2333438, 10500471, 21000942

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000942 can be divided by 24 positive divisors. The sum of these divisors (counting 21000942) is 1, the average is 0.041666666666667.

Base conversion 21000942

Base System Value
2 Binary 1010000000111001011101110
3 Ternary 1110111221212200
4 Quaternary 1100013023232
5 Quinary 20334012232
6 Senary 2030042330
8 Octal 120071356
10 Decimal 21000942
12 Duodecimal 70493a6
16 Hexadecimal 14072ee
20 Vigesimal 6b5272
36 Base36 ci4fi

Cryptographic Hash Functions

md5 0583b1aae199c8e8646a42d086f70c5e
sha1 9384f280a5d41c2a1e8c6b8264d1bf595631e61d
sha256 47922299fd525bcd65fb63921803fe8f5d28c579c399713b21acd760d0519b20
sha512 a43eea89c6f831cd0e764573d75b048398bc94576bad67e96480192f596f91aa4618eec5b11c96db1c458227c3073104cd369d1136a963ae46c950c15f8a7916
ripemd-160 32c55bd730738be7947e16ff0f2e7dbbf66c7075

21000942 as geometric shapes

Circle

Radius = n
Diameter 42001884
Circumference 131952810.21133
Area 1.3855666569926E+15

Sphere

Radius = n
Volume 3.8797606667513E+22
Surface area 5.5422666279703E+15
Circumference 131952810.21133

Square

Length = n
Perimeter 84003768
Area 441039564887364
Diagonal 29699816.999011

Cube

Length = n
Surface area 2646237389324184
Volume 9.2622463219048E+21
Space diagonal 36374698.550807

Equilateral Triangle

Length = n
Perimeter 63002826
Area 1.9097573363325E+14
Altitude 18187349.275404

Triangular Pyramid

Length = n
Surface area 1.9097573363325E+14
Volume 1.0915661972065E+21
Height 9899938.9996703