21087030 (number)

21087030 is an even 8-digits composite number following 21087029 and preceding 21087031. In scientific notation, it is written as 2.1087030 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 5608800 positive integers (up to 21087030) that are relatively prime to 21087030.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand thirty

Notation

Scientific notation 2.1087030 × 10^7
Engineering notation 2.1087030 × 10^6

Prime Factorization of 21087030

Prime Factorization 2 × 15 × 571 × 1231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21087030
Product of the distinct prime numbers

The prime factorization of 21087030 is 2 × 15 × 571 × 1231. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 33, 34, 6, 716, 2016, 3199, 89214, 87312, 415118, 475164, 1679459, 8664788, 98276317, 23261078, 230234375, 712829994, 1165074736, 5169032459

Basic calculations (n = 21087030)

Multiplication

n×y
n×2 42174060
n×3 63261090
n×4 84348120
n×5 105435150

Division

n÷y
n÷2 10543515
n÷3 7029010
n÷3 5271757.5
n÷5 4217406

Exponentiation

ny
n2 444662834220900
n3 9.3766185251011E+21
n4 1.9772503613736E+29
n5 4.1694337687797E+36

Nth Root

y√n
2√n 4592.0616285063
3√n 276.27301801745
4√n 67.764752109827
5√n 29.161045006984

Divisors of 21087030

1, 2, 15, 30, 571, 1142, 1231, 2462, 8565, 17130, 18465, 36930, 702901, 1405802, 10543515, 21087030

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087029
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087030 can be divided by 16 positive divisors. The sum of these divisors (counting 21087030) is 1, the average is 0.0625.

Base conversion 21087030

Base System Value
2 Binary 1010000011100001100110110
3 Ternary 1110200022222010
4 Quaternary 1100130030312
5 Quinary 20344241110
6 Senary 2031545050
8 Octal 120341466
10 Decimal 21087030
12 Duodecimal 708b186
16 Hexadecimal 141c336
20 Vigesimal 6bfhba
36 Base36 cjyuu

Cryptographic Hash Functions

md5 d3bcbb76f09c2acc302916c14d8e37d8
sha1 4d73adb05ba7b4a6060e3d67c2afeaec2ff46563
sha256 036b48ede218447ae901cd48cf7b7ef7c5ef5a531dfe0db1f128017045d507ff
sha512 c88ae279f59f4fe91e4c88abcbeb1fd644479a2c70123991f68567dc7de44d0051a1b2c74c11a1f00b7f2cfc4fc45cde24bad6145ece6a7c04373c51ac79ad80
ripemd-160 2bfb0891b5075bd50ce4274335d11b7dc8889a8a

21087030 as geometric shapes

Circle

Radius = n
Diameter 42174060
Circumference 132493717.06806
Area 1.3969494933128E+15

Sphere

Radius = n
Volume 3.9276687831962E+22
Surface area 5.5877979732512E+15
Circumference 132493717.06806

Square

Length = n
Perimeter 84348120
Area 444662834220900
Diagonal 29821563.816168

Cube

Length = n
Surface area 2667977005325400
Volume 9.3766185251011E+21
Space diagonal 36523807.340729

Equilateral Triangle

Length = n
Perimeter 63261090
Area 1.9254465527704E+14
Altitude 18261903.670365

Triangular Pyramid

Length = n
Surface area 1.9254465527704E+14
Volume 1.1050450906164E+21
Height 9940521.2720561