21508712 (number)

21508712 is an even 8-digits composite number following 21508711 and preceding 21508713. In scientific notation, it is written as 2.1508712 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 10653424 positive integers (up to 21508712) that are relatively prime to 21508712.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred eight thousand seven hundred twelve

Notation

Scientific notation 2.1508712 × 10^7
Engineering notation 2.1508712 × 10^6

Prime Factorization of 21508712

Prime Factorization 2 × 2 × 2 × 107 × 25127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5377178
Product of the distinct prime numbers

The prime factorization of 21508712 is 2 × 2 × 2 × 107 × 25127. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 32, 2, 558, 429, 4726, 774, 78979, 86448, 96345, 59570, 3955409, 4821088, 12062491, 81284234, 769151134, 478619805, 709321123, 8965298139

Basic calculations (n = 21508712)

Multiplication

n×y
n×2 43017424
n×3 64526136
n×4 86034848
n×5 107543560

Division

n÷y
n÷2 10754356
n÷3 7169570.6666667
n÷3 5377178
n÷5 4301742.4

Exponentiation

ny
n2 462624691898944
n3 9.9504612621431E+21
n4 2.1402160555459E+29
n5 4.6033290756513E+36

Nth Root

y√n
2√n 4637.7485917199
3√n 278.10244141403
4√n 68.10101755275
5√n 29.276751124237

Divisors of 21508712

1, 2, 4, 8, 107, 214, 428, 856, 25127, 50254, 100508, 201016, 2688589, 5377178, 10754356, 21508712

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 -21508711
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 21508712 can be divided by 16 positive divisors. The sum of these divisors (counting 21508712) is 1, the average is 0.0625.

Base conversion 21508712

Base System Value
2 Binary 1010010000011001001101000
3 Ternary 1111110202101222
4 Quaternary 1102003021220
5 Quinary 21001234322
6 Senary 2045001212
8 Octal 122031150
10 Decimal 21508712
12 Duodecimal 7253208
16 Hexadecimal 1483268
20 Vigesimal 6e8bfc
36 Base36 ct088

Cryptographic Hash Functions

md5 bb5e632b7ed5b82d9633add588a60f7a
sha1 592b5d5f175e18e0457f460cd0660d1a8fb942d4
sha256 fcecb3c770172482f8f989b0dfb2bb4ed2bec54d1e620c2821d0e4b74f3242da
sha512 b2b1f13ae988a5592a63405c516f7cd2919b508528acd4d522950c6d39efe00060a6573d28edce78e29f0792980f4394fd87617da4732ab09d3e40d87205bb4f
ripemd-160 ef40ed2310318789ff2ecf388df578c7874bec6a

21508712 as geometric shapes

Circle

Radius = n
Diameter 43017424
Circumference 135143223.21476
Area 1.453378333439E+15

Sphere

Radius = n
Volume 4.1680394667972E+22
Surface area 5.8135133337559E+15
Circumference 135143223.21476

Square

Length = n
Perimeter 86034848
Area 462624691898944
Diagonal 30417912.219577

Cube

Length = n
Surface area 2775748151393664
Volume 9.9504612621431E+21
Space diagonal 37254181.989366

Equilateral Triangle

Length = n
Perimeter 64526136
Area 2.0032236780122E+14
Altitude 18627090.994683

Triangular Pyramid

Length = n
Surface area 2.0032236780122E+14
Volume 1.1726731057326E+21
Height 10139304.073192