21051488 (number)

21051488 is an even 8-digits composite number following 21051487 and preceding 21051489. In scientific notation, it is written as 2.1051488 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 24 positive divisors. There are 10301056 positive integers (up to 21051488) that are relatively prime to 21051488.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand four hundred eighty-eight

Notation

Scientific notation 2.1051488 × 10^7
Engineering notation 2.1051488 × 10^6

Prime Factorization of 21051488

Prime Factorization 2 × 2 × 2 × 2 × 2 × 47 × 13997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1315718
Product of the distinct prime numbers

The prime factorization of 21051488 is 2 × 2 × 2 × 2 × 2 × 47 × 13997. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 4, 55, 97, 447, 168, 8818, 8397, 17379, 89637, 358285, 922888, 1196134, 3385721, 3835763, 58199118, 819373782, 504754835, 4160201686, 8878153012

Basic calculations (n = 21051488)

Multiplication

n×y
n×2 42102976
n×3 63154464
n×4 84205952
n×5 105257440

Division

n÷y
n÷2 10525744
n÷3 7017162.6666667
n÷3 5262872
n÷5 4210297.6

Exponentiation

ny
n2 443165147014144
n3 9.3292857743865E+21
n4 1.9639534752807E+29
n5 4.134414301743E+36

Nth Root

y√n
2√n 4588.1900570922
3√n 276.11771216426
4√n 67.736179823579
5√n 29.151208236851

Divisors of 21051488

1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13997, 27994, 55988, 111976, 223952, 447904, 657859, 1315718, 2631436, 5262872, 10525744, 21051488

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 -21051487
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 21051488 can be divided by 24 positive divisors. The sum of these divisors (counting 21051488) is 1, the average is 0.041666666666667.

Base conversion 21051488

Base System Value
2 Binary 1010000010011100001100000
3 Ternary 1110121112012202
4 Quaternary 1100103201200
5 Quinary 20342121423
6 Senary 2031112332
8 Octal 120234140
10 Decimal 21051488
12 Duodecimal 70726a8
16 Hexadecimal 1413860
20 Vigesimal 6bb8e8
36 Base36 cj7fk

Cryptographic Hash Functions

md5 442e294feab05f306538a1f90edc2f5f
sha1 e80ee2352ff8b8ea3fdabd367481f0ba1884a334
sha256 ba4287272cf151fa1599d7febf8ba0963f355d8b833b96ac5b4637b27914a5bc
sha512 3c4e6f46ff1866d2627be8b25d0432d45c9eee57f49e1fe105a8d1561b92ac9c7d04f68e6de0d62193dc89d3b10ce19e4ba6960542f9b8aad7d1dc8f7f416d1a
ripemd-160 41a7faa08171587532d097639a78b6bf4604c048

21051488 as geometric shapes

Circle

Radius = n
Diameter 42102976
Circumference 132270400.09587
Area 1.3922443701867E+15

Sphere

Radius = n
Volume 3.9078420869403E+22
Surface area 5.5689774807467E+15
Circumference 132270400.09587

Square

Length = n
Perimeter 84205952
Area 443165147014144
Diagonal 29771299.837734

Cube

Length = n
Surface area 2658990882084864
Volume 9.3292857743865E+21
Space diagonal 36462246.790927

Equilateral Triangle

Length = n
Perimeter 63154464
Area 1.9189613769306E+14
Altitude 18231123.395463

Triangular Pyramid

Length = n
Surface area 1.9189613769306E+14
Volume 1.0994668724493E+21
Height 9923766.6125782