21087427 (number)

21087427 is an odd 8-digits prime number following 21087426 and preceding 21087428. In scientific notation, it is written as 2.1087427 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21087426 positive integers (up to 21087427) that are relatively prime to 21087427.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087427 × 10^7
Engineering notation 2.1087427 × 10^6

Prime Factorization of 21087427

Prime Factorization 21087427

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21087427
Product of the distinct prime numbers

The prime factorization of 21087427 is 21087427. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087427)

Multiplication

n×y
n×2 42174854
n×3 63262281
n×4 84349708
n×5 105437135

Division

n÷y
n÷2 10543713.5
n÷3 7029142.3333333
n÷3 5271856.75
n÷5 4217485.4

Exponentiation

ny
n2 444679577480329
n3 9.3771481285073E+21
n4 1.9773992662808E+29
n5 4.1698262677551E+36

Nth Root

y√n
2√n 4592.1048550746
3√n 276.27475177986
4√n 67.765071054893
5√n 29.161154807631

Divisors of 21087427

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21087428
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10543714
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4592.1049639572
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051568
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087427 can be divided by 2 positive divisors. The sum of these divisors (counting 21087427) is 21087428, the average is 10543714.

Base conversion 21087427

Base System Value
2 Binary 1010000011100010011000011
3 Ternary 1110200100111211
4 Quaternary 1100130103003
5 Quinary 20344244202
6 Senary 2031550551
8 Octal 120342303
10 Decimal 21087427
12 Duodecimal 708b457
16 Hexadecimal 141c4c3
20 Vigesimal 6bfib7
36 Base36 cjz5v

Cryptographic Hash Functions

md5 e278d56bd719a7b0e0c4e403891c5ebc
sha1 cebb6cb1221819a2b1a8fa7e0e85906fcf611e62
sha256 398213a8ff7b93dac281ab0e898a8b7db3e358c282c555d93b02f19273a4915a
sha512 07f14b6d0a54021a16ca98641f27b1eaca016d929dd1af7c7164606b7d69e277411440d06e1bafb55ee84b017d88106f3118fdd501899564c2bd10cc0c299a1d
ripemd-160 e7f57def648654d2a1acc0de4f0e521e993fb519

21087427 as geometric shapes

Circle

Radius = n
Diameter 42174854
Circumference 132496211.49262
Area 1.3970020938136E+15

Sphere

Radius = n
Volume 3.9278906229522E+22
Surface area 5.5880083752545E+15
Circumference 132496211.49262

Square

Length = n
Perimeter 84349708
Area 444679577480329
Diagonal 29822125.258953

Cube

Length = n
Surface area 2668077464881974
Volume 9.3771481285073E+21
Space diagonal 36524494.9649

Equilateral Triangle

Length = n
Perimeter 63262281
Area 1.9255190532105E+14
Altitude 18262247.48245

Triangular Pyramid

Length = n
Surface area 1.9255190532105E+14
Volume 1.1051075049764E+21
Height 9940708.4196509