21087250 (number)

21087250 is an even 8-digits composite number following 21087249 and preceding 21087251. In scientific notation, it is written as 2.1087250 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 8434800 positive integers (up to 21087250) that are relatively prime to 21087250.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand two hundred fifty

Notation

Scientific notation 2.1087250 × 10^7
Engineering notation 2.1087250 × 10^6

Prime Factorization of 21087250

Prime Factorization 2 × 125 × 84349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087250
Product of the distinct prime numbers

The prime factorization of 21087250 is 2 × 125 × 84349. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087250)

Multiplication

n×y
n×2 42174500
n×3 63261750
n×4 84349000
n×5 105436250

Division

n÷y
n÷2 10543625
n÷3 7029083.3333333
n÷3 5271812.5
n÷5 4217450

Exponentiation

ny
n2 444672112562500
n3 9.3769120056336E+21
n4 1.977332876908E+29
n5 4.1696512708578E+36

Nth Root

y√n
2√n 4592.0855828262
3√n 276.27397879528
4√n 67.76492885576
5√n 29.161105853894

Divisors of 21087250

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087249
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087250 can be divided by 8 positive divisors. The sum of these divisors (counting 21087250) is 1, the average is 0.125.

Base conversion 21087250

Base System Value
2 Binary 1010000011100010000010010
3 Ternary 1110200100021021
4 Quaternary 1100130100102
5 Quinary 20344243000
6 Senary 2031550054
8 Octal 120342022
10 Decimal 21087250
12 Duodecimal 708b32a
16 Hexadecimal 141c412
20 Vigesimal 6bfi2a
36 Base36 cjz0y

Cryptographic Hash Functions

md5 1b7ed52c2b748fd336ba0714359e1588
sha1 53024255b46dd266e80d2155a7bbcb02899c3334
sha256 b58b759797acec87ccae202cb0589e412f810e519098a966bc247d19512f1c64
sha512 e40c50234471fe4d0612667b87a8f4b10079d0741ae407a355d9044ffef0c90feabf3ffb43efc7a2109047cefbfab15d93ae5eded70543e704d42885fde7b021
ripemd-160 e3eac384c21b38627fe0f36c6f7e1a5ffd4b9306

21087250 as geometric shapes

Circle

Radius = n
Diameter 42174500
Circumference 132495099.36882
Area 1.3969786420826E+15

Sphere

Radius = n
Volume 3.9277917160342E+22
Surface area 5.5879145683304E+15
Circumference 132495099.36882

Square

Length = n
Perimeter 84349000
Area 444672112562500
Diagonal 29821874.943152

Cube

Length = n
Surface area 2668032675375000
Volume 9.3769120056336E+21
Space diagonal 36524188.391907

Equilateral Triangle

Length = n
Perimeter 63261750
Area 1.9254867291681E+14
Altitude 18262094.195953

Triangular Pyramid

Length = n
Surface area 1.9254867291681E+14
Volume 1.1050796776288E+21
Height 9940624.9810507