20405730 (number)

20405730 is an even 8-digits composite number following 20405729 and preceding 20405731. In scientific notation, it is written as 2.0405730 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 5407616 positive integers (up to 20405730) that are relatively prime to 20405730.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand seven hundred thirty

Notation

Scientific notation 2.0405730 × 10^7
Engineering notation 2.0405730 × 10^6

Prime Factorization of 20405730

Prime Factorization 2 × 3 × 5 × 167 × 4073

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20405730
Product of the distinct prime numbers

The prime factorization of 20405730 is 2 × 3 × 5 × 167 × 4073. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405730)

Multiplication

n×y
n×2 40811460
n×3 61217190
n×4 81622920
n×5 102028650

Division

n÷y
n÷2 10202865
n÷3 6801910
n÷3 5101432.5
n÷5 4081146

Exponentiation

ny
n2 416393816832900
n3 8.4968197999616E+21
n4 1.7338381069667E+29
n5 3.5380232274474E+36

Nth Root

y√n
2√n 4517.2701933801
3√n 273.265021927
4√n 67.210640477383
5√n 28.970128875192

Divisors of 20405730

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405730 can be divided by 32 positive divisors. The sum of these divisors (counting 20405730) is 1, the average is 0.03125.

Base conversion 20405730

Base System Value
2 Binary 1001101110101110111100010
3 Ternary 1102101201101210
4 Quaternary 1031311313202
5 Quinary 20210440410
6 Senary 2005210550
8 Octal 115656742
10 Decimal 20405730
12 Duodecimal 6a00a56
16 Hexadecimal 1375de2
20 Vigesimal 67ae6a
36 Base36 c5d5u

Cryptographic Hash Functions

md5 e68572aec3e82ceecd323e1a8d6e87f0
sha1 d8fdf9cc670a64c9d0f27f220a0e9786e2f21017
sha256 876c96faafab595fc2b880d35dcbb1aa83dd6151924a87ae1d71ed816fe1139e
sha512 cee8d9f7a4f483682a05ac93b809f489a8d55163f4968e357f3761b13654174e21851fd00db6f207634e14434def0c8759989779cc2c96471b2069c47a25594e
ripemd-160 17e13969e9cb936944fb9c5c2e1d0b2579ff6f62

20405730 as geometric shapes

Circle

Radius = n
Diameter 40811460
Circumference 128212982.91827
Area 1.3081397559625E+15

Sphere

Radius = n
Volume 3.5591395549914E+22
Surface area 5.2325590238498E+15
Circumference 128212982.91827

Square

Length = n
Perimeter 81622920
Area 416393816832900
Diagonal 28858060.116124

Cube

Length = n
Surface area 2498362900997400
Volume 8.4968197999616E+21
Space diagonal 35343761.125532

Equilateral Triangle

Length = n
Perimeter 61217190
Area 1.8030381167803E+14
Altitude 17671880.562766

Triangular Pyramid

Length = n
Surface area 1.8030381167803E+14
Volume 1.0013598165122E+21
Height 9619353.3720412