20987030 (number)

20987030 is an even 8-digits composite number following 20987029 and preceding 20987031. In scientific notation, it is written as 2.0987030 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 8332992 positive integers (up to 20987030) that are relatively prime to 20987030.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-seven thousand thirty

Notation

Scientific notation 2.0987030 × 10^7
Engineering notation 2.0987030 × 10^6

Prime Factorization of 20987030

Prime Factorization 2 × 5 × 137 × 15319

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20987030
Product of the distinct prime numbers

The prime factorization of 20987030 is 2 × 5 × 137 × 15319. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 10, 11, 723, 537, 212, 238, 25537, 31064, 855138, 610090, 4020421, 3816477, 25855709, 64411958, 881726251, 940228375, 9548862587, 4623034990

Basic calculations (n = 20987030)

Multiplication

n×y
n×2 41974060
n×3 62961090
n×4 83948120
n×5 104935150

Division

n÷y
n÷2 10493515
n÷3 6995676.6666667
n÷3 5246757.5
n÷5 4197406

Exponentiation

ny
n2 440455428220900
n3 9.2438512857349E+21
n4 1.9400098424926E+29
n5 4.0715044764687E+36

Nth Root

y√n
2√n 4581.1603333653
3√n 275.83560713668
4√n 67.68426946762
5√n 29.133334591124

Divisors of 20987030

1, 2, 5, 10, 137, 274, 685, 1370, 15319, 30638, 76595, 153190, 2098703, 4197406, 10493515, 20987030

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 -20987029
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 20987030 can be divided by 16 positive divisors. The sum of these divisors (counting 20987030) is 1, the average is 0.0625.

Base conversion 20987030

Base System Value
2 Binary 1010000000011110010010110
3 Ternary 1110111020210102
4 Quaternary 1100003302112
5 Quinary 20333041110
6 Senary 2025454102
8 Octal 120036226
10 Decimal 20987030
12 Duodecimal 7041332
16 Hexadecimal 1403c96
20 Vigesimal 6b37ba
36 Base36 chtp2

Cryptographic Hash Functions

md5 21b8fd18b8b6e48b7c18aec0d27a42b3
sha1 d74f17573c983099842fc91f634e5d8552c5f69c
sha256 bd45c4d63b4cb255ab09b1da7bc3d59462cdb4d729ec187918da9fc3768f931f
sha512 0e50c19b0d0294fca5daf7e157bf850c9560507bffc31c04e4e08c10b70f062739ccc89280350f2506242d022def0d711d7f27f4716962b264072df1b5990137
ripemd-160 5b70bbc654c11a2dc56e1e0d25b959e5813aaa16

20987030 as geometric shapes

Circle

Radius = n
Diameter 41974060
Circumference 131865398.53734
Area 1.3837315375325E+15

Sphere

Radius = n
Volume 3.8720553720188E+22
Surface area 5.5349261501301E+15
Circumference 131865398.53734

Square

Length = n
Perimeter 83948120
Area 440455428220900
Diagonal 29680142.459931

Cube

Length = n
Surface area 2642732569325400
Volume 9.2438512857349E+21
Space diagonal 36350602.259972

Equilateral Triangle

Length = n
Perimeter 62961090
Area 1.9072279503703E+14
Altitude 18175301.129986

Triangular Pyramid

Length = n
Surface area 1.9072279503703E+14
Volume 1.0893983214039E+21
Height 9893380.819977