21457535 (number)

21457535 is an odd 8-digits composite number following 21457534 and preceding 21457536. In scientific notation, it is written as 2.1457535 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 15055040 positive integers (up to 21457535) that are relatively prime to 21457535.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-seven thousand five hundred thirty-five

Notation

Scientific notation 2.1457535 × 10^7
Engineering notation 2.1457535 × 10^6

Prime Factorization of 21457535

Prime Factorization 5 × 121 × 29 × 1223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21457535
Product of the distinct prime numbers

The prime factorization of 21457535 is 5 × 121 × 29 × 1223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 75, 11, 288, 350, 5770, 4905, 86812, 48197, 151018, 325938, 668945, 4572126, 56347836, 93849782, 319255524, 370038924, 3879542391, 4448989771

Basic calculations (n = 21457535)

Multiplication

n×y
n×2 42915070
n×3 64372605
n×4 85830140
n×5 107287675

Division

n÷y
n÷2 10728767.5
n÷3 7152511.6666667
n÷3 5364383.75
n÷5 4291507

Exponentiation

ny
n2 460425808276225
n3 9.8796028959904E+21
n4 2.1199192492682E+29
n5 4.5488241488345E+36

Nth Root

y√n
2√n 4632.2278657251
3√n 277.88169750282
4√n 68.060472123877
5√n 29.262805851021

Divisors of 21457535

1, 5, 29, 121, 145, 605, 1223, 3509, 6115, 17545, 35467, 147983, 177335, 739915, 4291507, 21457535

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 -21457534
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 21457535 can be divided by 16 positive divisors. The sum of these divisors (counting 21457535) is 1, the average is 0.0625.

Base conversion 21457535

Base System Value
2 Binary 1010001110110101001111111
3 Ternary 1111101011012112
4 Quaternary 1101312221333
5 Quinary 20443120120
6 Senary 2043524235
8 Octal 121665177
10 Decimal 21457535
12 Duodecimal 722967b
16 Hexadecimal 1476a7f
20 Vigesimal 6e23gf
36 Base36 crwqn

Cryptographic Hash Functions

md5 8dc5b6f90f22093f59d7a4b4f3d7d41a
sha1 d9cd87fb6b53b700c53a34a5f26c5a41fa67e061
sha256 e9c7744d8787f242d20c781bdb1e86ad76be8484898d2fe7b34f9f5f53a9eb33
sha512 2950d688d7508c0007d779e0e35e06b35843135453dfd2904785830b8298e188741deebf966f681cbf647a74c350b343e074e256e77ee8c1882081c1053bde06
ripemd-160 842e197a6b09e54eb76470027e572488af0674ea

21457535 as geometric shapes

Circle

Radius = n
Diameter 42915070
Circumference 134821668.64029
Area 1.4464703368037E+15

Sphere

Radius = n
Volume 4.1383583837904E+22
Surface area 5.7858813472149E+15
Circumference 134821668.64029

Square

Length = n
Perimeter 85830140
Area 460425808276225
Diagonal 30345537.012095

Cube

Length = n
Surface area 2762554849657350
Volume 9.8796028959904E+21
Space diagonal 37165540.825187

Equilateral Triangle

Length = n
Perimeter 64372605
Area 1.993702232626E+14
Altitude 18582770.412594

Triangular Pyramid

Length = n
Surface area 1.993702232626E+14
Volume 1.1643223671975E+21
Height 10115179.004032