20387730 (number)

20387730 is an even 8-digits composite number following 20387729 and preceding 20387731. In scientific notation, it is written as 2.0387730 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 4942400 positive integers (up to 20387730) that are relatively prime to 20387730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0387730 × 10^7
Engineering notation 2.0387730 × 10^6

Prime Factorization of 20387730

Prime Factorization 2 × 15 × 11 × 61781

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20387730
Product of the distinct prime numbers

The prime factorization of 20387730 is 2 × 15 × 11 × 61781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20387730)

Multiplication

n×y
n×2 40775460
n×3 61163190
n×4 81550920
n×5 101938650

Division

n÷y
n÷2 10193865
n÷3 6795910
n÷3 5096932.5
n÷5 4077546

Exponentiation

ny
n2 415659534552900
n3 8.4743543623902E+21
n4 1.7277284866473E+29
n5 3.5224461899074E+36

Nth Root

y√n
2√n 4515.2774001162
3√n 273.18464879333
4√n 67.195813858574
5√n 28.965016130771

Divisors of 20387730

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 -20387729
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 20387730 can be divided by 16 positive divisors. The sum of these divisors (counting 20387730) is 1, the average is 0.0625.

Base conversion 20387730

Base System Value
2 Binary 1001101110001011110010010
3 Ternary 1102100210201010
4 Quaternary 1031301132102
5 Quinary 20204401410
6 Senary 2004551350
8 Octal 115613622
10 Decimal 20387730
12 Duodecimal 69b2556
16 Hexadecimal 1371792
20 Vigesimal 67896a
36 Base36 c4z9u

Cryptographic Hash Functions

md5 412df4049f88d791badf76e3afd6d75d
sha1 26fd74ac439af898c191b22046da0d3adceb2ec0
sha256 8c94da694545c9be6fe42e77dbcb5713beea399f3b8ab68b8f26275fae4b9306
sha512 2784cf323f508dec284b737b70adf0e55e640214c47a41f2ffba2d5c36877bf0b537a6bcc8d851bc7bba5b6c2369881d7495aa10393c456fd76f2237b7d0525a
ripemd-160 2f01a8085ea5eac33c6027ec68392bd3be5b3d49

20387730 as geometric shapes

Circle

Radius = n
Diameter 40775460
Circumference 128099885.58274
Area 1.3058329401459E+15

Sphere

Radius = n
Volume 3.5497292545069E+22
Surface area 5.2233317605838E+15
Circumference 128099885.58274

Square

Length = n
Perimeter 81550920
Area 415659534552900
Diagonal 28832604.272001

Cube

Length = n
Surface area 2493957207317400
Volume 8.4743543623902E+21
Space diagonal 35312584.210996

Equilateral Triangle

Length = n
Perimeter 61163190
Area 1.7998585812401E+14
Altitude 17656292.105498

Triangular Pyramid

Length = n
Surface area 1.7998585812401E+14
Volume 9.9871223930398E+20
Height 9610868.0906669