21508974 (number)

21508974 is an even 8-digits composite number following 21508973 and preceding 21508975. In scientific notation, it is written as 2.1508974 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 7039872 positive integers (up to 21508974) that are relatively prime to 21508974.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred eight thousand nine hundred seventy-four

Notation

Scientific notation 2.1508974 × 10^7
Engineering notation 2.1508974 × 10^6

Prime Factorization of 21508974

Prime Factorization 2 × 9 × 127 × 97 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 221742
Product of the distinct prime numbers

The prime factorization of 21508974 is 2 × 9 × 127 × 97 × 97. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 43, 24, 495, 391, 290, 8038, 51529, 78968, 620219, 698296, 5539606, 3382398, 87433073, 59469458, 820707975, 231285923, 1226694719, 2964553470

Basic calculations (n = 21508974)

Multiplication

n×y
n×2 43017948
n×3 64526922
n×4 86035896
n×5 107544870

Division

n÷y
n÷2 10754487
n÷3 7169658
n÷3 5377243.5
n÷5 4301794.8

Exponentiation

ny
n2 462635962532676
n3 9.9508248895803E+21
n4 2.1403203382854E+29
n5 4.6036094507851E+36

Nth Root

y√n
2√n 4637.7768380982
3√n 278.10357060831
4√n 68.101224938309
5√n 29.276822448558

Divisors of 21508974

1, 2, 9, 18, 97, 127, 194, 254, 873, 1143, 1746, 2286, 9409, 12319, 18818, 24638, 84681, 110871, 169362, 221742, 1194943, 2389886, 10754487, 21508974

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 -21508973
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 21508974 can be divided by 24 positive divisors. The sum of these divisors (counting 21508974) is 1, the average is 0.041666666666667.

Base conversion 21508974

Base System Value
2 Binary 1010010000011001101101110
3 Ternary 1111110202202200
4 Quaternary 1102003031232
5 Quinary 21001241344
6 Senary 2045002330
8 Octal 122031556
10 Decimal 21508974
12 Duodecimal 72533a6
16 Hexadecimal 148336e
20 Vigesimal 6e8c8e
36 Base36 ct0fi

Cryptographic Hash Functions

md5 5efc69f5523de551ad271dce8376baf1
sha1 0d8ba5e52f72a336e616c2e864a5343741d9cad2
sha256 1c7a9f44bb744f655f702296eca64846d2b759bfded688ad262a45c6daf92a22
sha512 70847840c95f382a28e58808b23ec690386d16a5e3a8b4d666de1a606240e7c49b90500b4ddb2e065443d3e9b18b54e07f0e535cc0e307821b18d8ecf444af82
ripemd-160 3ebaa454d2e426af6b0d78ddebabc18bd20eb0a8

21508974 as geometric shapes

Circle

Radius = n
Diameter 43017948
Circumference 135144869.40931
Area 1.4534137411791E+15

Sphere

Radius = n
Volume 4.1681917827019E+22
Surface area 5.8136549647164E+15
Circumference 135144869.40931

Square

Length = n
Perimeter 86035896
Area 462635962532676
Diagonal 30418282.74353

Cube

Length = n
Surface area 2775815775196056
Volume 9.9508248895803E+21
Space diagonal 37254635.786678

Equilateral Triangle

Length = n
Perimeter 64526922
Area 2.0032724812878E+14
Altitude 18627317.893339

Triangular Pyramid

Length = n
Surface area 2.0032724812878E+14
Volume 1.172715959637E+21
Height 10139427.581177