21087589 (number)

21087589 is an odd 8-digits composite number following 21087588 and preceding 21087590. In scientific notation, it is written as 2.1087589 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 21072960 positive integers (up to 21087589) that are relatively prime to 21087589.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand five hundred eighty-nine

Notation

Scientific notation 2.1087589 × 10^7
Engineering notation 2.1087589 × 10^6

Prime Factorization of 21087589

Prime Factorization 13009 × 1621

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21087589
Product of the distinct prime numbers

The prime factorization of 21087589 is 13009 × 1621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087589)

Multiplication

n×y
n×2 42175178
n×3 63262767
n×4 84350356
n×5 105437945

Division

n÷y
n÷2 10543794.5
n÷3 7029196.3333333
n÷3 5271897.25
n÷5 4217517.8

Exponentiation

ny
n2 444686409832921
n3 9.3773642444422E+21
n4 1.9774600309009E+29
n5 4.1699864395566E+36

Nth Root

y√n
2√n 4592.1224940108
3√n 276.27545925348
4√n 67.765201202467
5√n 29.161199612458

Divisors of 21087589

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087588
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087589 can be divided by 4 positive divisors. The sum of these divisors (counting 21087589) is 1, the average is 0.25.

Base conversion 21087589

Base System Value
2 Binary 1010000011100010101100101
3 Ternary 1110200100201211
4 Quaternary 1100130111211
5 Quinary 20344300324
6 Senary 2031551421
8 Octal 120342545
10 Decimal 21087589
12 Duodecimal 708b571
16 Hexadecimal 141c565
20 Vigesimal 6bfij9
36 Base36 cjzad

Cryptographic Hash Functions

md5 3b11122c87926351fa603fcc7508c23e
sha1 771732a972e689ebff749196fab8f992764c8718
sha256 7f136ceb302a5fa697e57b3d95f184b9c10780b222bd0ebb4e64e30e505017c6
sha512 5e0cf3edba7ea4f51c6271942478d2810fa9268dae09e6adfa3c562397a67076b01a2dfe29a57bce501df08984f65f191d0e74120837565f30f6a5e632e7369a
ripemd-160 d009899ac12625616cc32755283663a982432891

21087589 as geometric shapes

Circle

Radius = n
Diameter 42175178
Circumference 132497229.36864
Area 1.3970235582823E+15

Sphere

Radius = n
Volume 3.9279811493834E+22
Surface area 5.5880942331293E+15
Circumference 132497229.36864

Square

Length = n
Perimeter 84350356
Area 444686409832921
Diagonal 29822354.36155

Cube

Length = n
Surface area 2668118458997526
Volume 9.3773642444422E+21
Space diagonal 36524775.557131

Equilateral Triangle

Length = n
Perimeter 63262767
Area 1.925548638165E+14
Altitude 18262387.778565

Triangular Pyramid

Length = n
Surface area 1.925548638165E+14
Volume 1.1051329744836E+21
Height 9940784.7871832