21000890 (number)

21000890 is an even 8-digits composite number following 21000889 and preceding 21000891. In scientific notation, it is written as 2.1000890 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 7876224 positive integers (up to 21000890) that are relatively prime to 21000890.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety

Notation

Scientific notation 2.1000890 × 10^7
Engineering notation 2.1000890 × 10^6

Prime Factorization of 21000890

Prime Factorization 2 × 5 × 19 × 107 × 1033

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21000890
Product of the distinct prime numbers

The prime factorization of 21000890 is 2 × 5 × 19 × 107 × 1033. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 60, 57, 400, 67, 3160, 9437, 7519, 54381, 837144, 559699, 5355992, 6769552, 17804522, 46254013, 392389505, 710482733, 3885614482, 8225773960

Basic calculations (n = 21000890)

Multiplication

n×y
n×2 42001780
n×3 63002670
n×4 84003560
n×5 105004450

Division

n÷y
n÷2 10500445
n÷3 7000296.6666667
n÷3 5250222.5
n÷5 4200178

Exponentiation

ny
n2 441037380792100
n3 9.262177519903E+21
n4 1.9451397125596E+29
n5 4.0849665138095E+36

Nth Root

y√n
2√n 4582.6728008881
3√n 275.89631511086
4√n 67.695441507447
5√n 29.137181551783

Divisors of 21000890

1, 2, 5, 10, 19, 38, 95, 107, 190, 214, 535, 1033, 1070, 2033, 2066, 4066, 5165, 10165, 10330, 19627, 20330, 39254, 98135, 110531, 196270, 221062, 552655, 1105310, 2100089, 4200178, 10500445, 21000890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000890 can be divided by 32 positive divisors. The sum of these divisors (counting 21000890) is 1, the average is 0.03125.

Base conversion 21000890

Base System Value
2 Binary 1010000000111001010111010
3 Ternary 1110111221210202
4 Quaternary 1100013022322
5 Quinary 20334012030
6 Senary 2030042202
8 Octal 120071272
10 Decimal 21000890
12 Duodecimal 7049362
16 Hexadecimal 14072ba
20 Vigesimal 6b524a
36 Base36 ci4e2

Cryptographic Hash Functions

md5 d5f502d238767b1653f0ec22a4c66cc9
sha1 8ef956b8b07f02dfb67763a3c7fbe03111afe2f6
sha256 68e23f010aae945df8b804cc2e039cc47a92ac0c100f4a915037fdf0911f7da4
sha512 ff9ff69218c7ed21e950188adb12759d8bf2cb439007fee57c649e061df21e80822b08e062cdd79a515302bf4e593b4b5af0403d426f290c94b5284adc9d6ed5
ripemd-160 a0f6274cf76c5276b648cda3a3654bc70d08fbd0

21000890 as geometric shapes

Circle

Radius = n
Diameter 42001780
Circumference 131952483.48569
Area 1.3855597954549E+15

Sphere

Radius = n
Volume 3.8797318470362E+22
Surface area 5.5422391818198E+15
Circumference 131952483.48569

Square

Length = n
Perimeter 84003560
Area 441037380792100
Diagonal 29699743.459906

Cube

Length = n
Surface area 2646224284752600
Volume 9.262177519903E+21
Space diagonal 36374608.484165

Equilateral Triangle

Length = n
Perimeter 63002670
Area 1.9097478789225E+14
Altitude 18187304.242083

Triangular Pyramid

Length = n
Surface area 1.9097478789225E+14
Volume 1.0915580888128E+21
Height 9899914.4866352