20808730 (number)

20808730 is an even 8-digits composite number following 20808729 and preceding 20808731. In scientific notation, it is written as 2.0808730 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 8120320 positive integers (up to 20808730) that are relatively prime to 20808730.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand seven hundred thirty

Notation

Scientific notation 2.0808730 × 10^7
Engineering notation 2.0808730 × 10^6

Prime Factorization of 20808730

Prime Factorization 2 × 5 × 41 × 50753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20808730
Product of the distinct prime numbers

The prime factorization of 20808730 is 2 × 5 × 41 × 50753. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20808730)

Multiplication

n×y
n×2 41617460
n×3 62426190
n×4 83234920
n×5 104043650

Division

n÷y
n÷2 10404365
n÷3 6936243.3333333
n÷3 5202182.5
n÷5 4161746

Exponentiation

ny
n2 433003244212900
n3 9.0102475979503E+21
n4 1.874918094989E+29
n5 3.901466441074E+36

Nth Root

y√n
2√n 4561.6586895558
3√n 275.05224351786
4√n 67.540052484106
5√n 29.083663757263

Divisors of 20808730

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 -20808729
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 20808730 can be divided by 16 positive divisors. The sum of these divisors (counting 20808730) is 1, the average is 0.0625.

Base conversion 20808730

Base System Value
2 Binary 1001111011000010000011010
3 Ternary 1110011012012201
4 Quaternary 1033120100122
5 Quinary 20311334410
6 Senary 2022000414
8 Octal 117302032
10 Decimal 20808730
12 Duodecimal 6b7610a
16 Hexadecimal 13d841a
20 Vigesimal 6a11ga
36 Base36 ce04a

Cryptographic Hash Functions

md5 f025e2a96dddcd04d2db722cb078c5cc
sha1 830d0a9baab85e3d81b8857b509202be1d697c4d
sha256 34d389a1abf81143145815e1bf95624f8edd259759ba6c640ccda10ab64b6b9b
sha512 6f415d4a756a9cb577c7385f21a78575576fa8514a5ab28db3036dbff8e8418c2f1ea1269234568de38aa826e85317111b79878ae5e82032571e9807e0201420
ripemd-160 1414ce6ecba919e146049bdf5b149ff761e32dd7

20808730 as geometric shapes

Circle

Radius = n
Diameter 41617460
Circumference 130745106.59707
Area 1.3603198109998E+15

Sphere

Radius = n
Volume 3.7742036880994E+22
Surface area 5.4412792439992E+15
Circumference 130745106.59707

Square

Length = n
Perimeter 83234920
Area 433003244212900
Diagonal 29427988.18176

Cube

Length = n
Surface area 2598019465277400
Volume 9.0102475979503E+21
Space diagonal 36041777.600983

Equilateral Triangle

Length = n
Perimeter 62426190
Area 1.8749590470472E+14
Altitude 18020888.800491

Triangular Pyramid

Length = n
Surface area 1.8749590470472E+14
Volume 1.0618678627801E+21
Height 9809329.39392