21087029 (number)

21087029 is an odd 8-digits composite number following 21087028 and preceding 21087030. In scientific notation, it is written as 2.1087029 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20741280 positive integers (up to 21087029) that are relatively prime to 21087029.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087029 × 10^7
Engineering notation 2.1087029 × 10^6

Prime Factorization of 21087029

Prime Factorization 61 × 345689

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21087029
Product of the distinct prime numbers

The prime factorization of 21087029 is 61 × 345689. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087029)

Multiplication

n×y
n×2 42174058
n×3 63261087
n×4 84348116
n×5 105435145

Division

n÷y
n÷2 10543514.5
n÷3 7029009.6666667
n÷3 5271757.25
n÷5 4217405.8

Exponentiation

ny
n2 444662792046841
n3 9.3766171911127E+21
n4 1.9772499863089E+29
n5 4.1694327801546E+36

Nth Root

y√n
2√n 4592.0615196227
3√n 276.27301365026
4√n 67.764751306433
5√n 29.161044730406

Divisors of 21087029

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 -21087028
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 21087029 can be divided by 4 positive divisors. The sum of these divisors (counting 21087029) is 1, the average is 0.25.

Base conversion 21087029

Base System Value
2 Binary 1010000011100001100110101
3 Ternary 1110200022222002
4 Quaternary 1100130030311
5 Quinary 20344241104
6 Senary 2031545045
8 Octal 120341465
10 Decimal 21087029
12 Duodecimal 708b185
16 Hexadecimal 141c335
20 Vigesimal 6bfhb9
36 Base36 cjyut

Cryptographic Hash Functions

md5 06a823f5b588135c32d5871df6fe05b2
sha1 e2efd540a5ba2e74ccf5ad471b49201f90d452dc
sha256 99b90734b5893dee126aab140cfa4aa0476de0dd3ea53ecdc68b9daf93354116
sha512 cd48ac987cb8ab992f3752d76a3cc813a41d5caae769164727b29f24b4ab340589c6aae29eb745d49610c7fbcd5cf6e840dea264fdf513e8201e06278541e5d4
ripemd-160 730537939d8a74d4cafdb5f12d2029bb2b3c823c

21087029 as geometric shapes

Circle

Radius = n
Diameter 42174058
Circumference 132493710.78487
Area 1.3969493608191E+15

Sphere

Radius = n
Volume 3.9276682244165E+22
Surface area 5.5877974432763E+15
Circumference 132493710.78487

Square

Length = n
Perimeter 84348116
Area 444662792046841
Diagonal 29821562.401955

Cube

Length = n
Surface area 2667976752281046
Volume 9.3766171911127E+21
Space diagonal 36523805.608678

Equilateral Triangle

Length = n
Perimeter 63261087
Area 1.9254463701514E+14
Altitude 18261902.804339

Triangular Pyramid

Length = n
Surface area 1.9254463701514E+14
Volume 1.1050449334044E+21
Height 9940520.8006516