21087130 (number)

21087130 is an even 8-digits composite number following 21087129 and preceding 21087131. In scientific notation, it is written as 2.1087130 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 8162640 positive integers (up to 21087130) that are relatively prime to 21087130.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087130 × 10^7
Engineering notation 2.1087130 × 10^6

Prime Factorization of 21087130

Prime Factorization 2 × 5 × 31 × 68023

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21087130
Product of the distinct prime numbers

The prime factorization of 21087130 is 2 × 5 × 31 × 68023. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 63, 69, 984, 429, 2891, 75, 22081, 71371, 149543, 129832, 5211847, 3886965, 89737277, 66949588, 105654760, 305296555, 6900794990, 9086436363

Basic calculations (n = 21087130)

Multiplication

n×y
n×2 42174260
n×3 63261390
n×4 84348520
n×5 105435650

Division

n÷y
n÷2 10543565
n÷3 7029043.3333333
n÷3 5271782.5
n÷5 4217426

Exponentiation

ny
n2 444667051636900
n3 9.376751924584E+21
n4 1.9772878681145E+29
n5 4.1695326322354E+36

Nth Root

y√n
2√n 4592.072516849
3√n 276.27345473547
4√n 67.764832449059
5√n 29.161072664734

Divisors of 21087130

1, 2, 5, 10, 31, 62, 155, 310, 68023, 136046, 340115, 680230, 2108713, 4217426, 10543565, 21087130

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 -21087129
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 21087130 can be divided by 16 positive divisors. The sum of these divisors (counting 21087130) is 1, the average is 0.0625.

Base conversion 21087130

Base System Value
2 Binary 1010000011100001110011010
3 Ternary 1110200100002211
4 Quaternary 1100130032122
5 Quinary 20344242010
6 Senary 2031545334
8 Octal 120341632
10 Decimal 21087130
12 Duodecimal 708b24a
16 Hexadecimal 141c39a
20 Vigesimal 6bfhga
36 Base36 cjyxm

Cryptographic Hash Functions

md5 f5dea246b2557d4ad079d7e4edf65809
sha1 60d4d08178332cd8178032106c9bdb8744376c0f
sha256 f2cff8f459d88a560c0837a2bbdb5a1e6b298ba42f12fdcc4133aa2df93166fc
sha512 f375893d341467909b49b6a18f43c679e3bad0bd04bdf8dd27231d8b7f5662c5569f46ee977d03b5a9d890f435529a06cd297fdfd290f8b0c7ea65d7f03a1a4f
ripemd-160 7cb2f4a46e7f10a79b6e2e6fdd2b0816058f8792

21087130 as geometric shapes

Circle

Radius = n
Diameter 42174260
Circumference 132494345.38659
Area 1.3969627427159E+15

Sphere

Radius = n
Volume 3.9277246614409E+22
Surface area 5.5878509708637E+15
Circumference 132494345.38659

Square

Length = n
Perimeter 84348520
Area 444667051636900
Diagonal 29821705.237525

Cube

Length = n
Surface area 2668002309821400
Volume 9.376751924584E+21
Space diagonal 36523980.54581

Equilateral Triangle

Length = n
Perimeter 63261390
Area 1.9254648147174E+14
Altitude 18261990.272905

Triangular Pyramid

Length = n
Surface area 1.9254648147174E+14
Volume 1.1050608118962E+21
Height 9940568.4125082