21087544 (number)

21087544 is an even 8-digits composite number following 21087543 and preceding 21087545. In scientific notation, it is written as 2.1087544 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors. There are 10114272 positive integers (up to 21087544) that are relatively prime to 21087544.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand five hundred forty-four

Notation

Scientific notation 2.1087544 × 10^7
Engineering notation 2.1087544 × 10^6

Prime Factorization of 21087544

Prime Factorization 2 × 2 × 2 × 43 × 59 × 1039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5271886
Product of the distinct prime numbers

The prime factorization of 21087544 is 2 × 2 × 2 × 43 × 59 × 1039. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087544)

Multiplication

n×y
n×2 42175088
n×3 63262632
n×4 84350176
n×5 105437720

Division

n÷y
n÷2 10543772
n÷3 7029181.3333333
n÷3 5271886
n÷5 4217508.8

Exponentiation

ny
n2 444684511951936
n3 9.377304211905E+21
n4 1.9774431516993E+29
n5 4.1699419468958E+36

Nth Root

y√n
2√n 4592.1175943131
3√n 276.2752627334
4√n 67.765165050438
5√n 29.1611871667

Divisors of 21087544

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 -21087543
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 21087544 can be divided by 32 positive divisors. The sum of these divisors (counting 21087544) is 1, the average is 0.03125.

Base conversion 21087544

Base System Value
2 Binary 1010000011100010100111000
3 Ternary 1110200100200011
4 Quaternary 1100130110320
5 Quinary 20344300134
6 Senary 2031551304
8 Octal 120342470
10 Decimal 21087544
12 Duodecimal 708b534
16 Hexadecimal 141c538
20 Vigesimal 6bfih4
36 Base36 cjz94

Cryptographic Hash Functions

md5 41eb71c0a0bfcecd98bd481e6c641991
sha1 6ededf96cca7e31c8f1609d869f4e10de9c3a1f9
sha256 0f41f7d17eda20fbd76fd38e18c978e7f5dd75ebd05f788be295a0afbf65b6a8
sha512 0f3fcf2619bdddb3986da6d3d01838c1f4ac8c02500e15908fdbc680e85f24010811d671df8a38f690f9b0dfe74f001fe2d3e5b8ba010890695d14111d69ba85
ripemd-160 7207be50fbbd5102102d1da7f91b1ad135bd5c86

21087544 as geometric shapes

Circle

Radius = n
Diameter 42175088
Circumference 132496946.6253
Area 1.3970175959134E+15

Sphere

Radius = n
Volume 3.927956003013E+22
Surface area 5.5880703836535E+15
Circumference 132496946.6253

Square

Length = n
Perimeter 84350176
Area 444684511951936
Diagonal 29822290.721939

Cube

Length = n
Surface area 2668107071711616
Volume 9.377304211905E+21
Space diagonal 36524697.614844

Equilateral Triangle

Length = n
Perimeter 63262632
Area 1.9255404200993E+14
Altitude 18262348.807422

Triangular Pyramid

Length = n
Surface area 1.9255404200993E+14
Volume 1.1051258995812E+21
Height 9940763.5739798