20155730 (number)

20155730 is an even 8-digits composite number following 20155729 and preceding 20155731. In scientific notation, it is written as 2.0155730 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 6910512 positive integers (up to 20155730) that are relatively prime to 20155730.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand seven hundred thirty

Notation

Scientific notation 2.0155730 × 10^7
Engineering notation 2.0155730 × 10^6

Prime Factorization of 20155730

Prime Factorization 2 × 7 × 5 × 287939

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20155730
Product of the distinct prime numbers

The prime factorization of 20155730 is 2 × 7 × 5 × 287939. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155730)

Multiplication

n×y
n×2 40311460
n×3 60467190
n×4 80622920
n×5 100778650

Division

n÷y
n÷2 10077865
n÷3 6718576.6666667
n÷3 5038932.5
n÷5 4031146

Exponentiation

ny
n2 406253451832900
n3 8.1883348867119E+21
n4 1.6504186712615E+29
n5 3.3265393124905E+36

Nth Root

y√n
2√n 4489.5133366547
3√n 272.1444680212
4√n 67.003830761044
5√n 28.898793147247

Divisors of 20155730

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 -20155729
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 20155730 can be divided by 16 positive divisors. The sum of these divisors (counting 20155730) is 1, the average is 0.0625.

Base conversion 20155730

Base System Value
2 Binary 1001100111000110101010010
3 Ternary 1101221000110112
4 Quaternary 1030320311102
5 Quinary 20124440410
6 Senary 2000001322
8 Octal 114706522
10 Decimal 20155730
12 Duodecimal 6900242
16 Hexadecimal 1338d52
20 Vigesimal 65j96a
36 Base36 c009e

Cryptographic Hash Functions

md5 f9309b655d764fde46d27a119d7de4ec
sha1 48eb1dea12672816f5546272729d4f6b4d948c65
sha256 cacb9401c7f2908ca003486de183d213b2e56dca319b5a4c895f91aae2037fb6
sha512 5f6a6c84f23d253e1b6fd3a1c345f4be9a3496a572af348a61487be671df3bae694d44ba03fba6de928a7f3600d3c6473c8787f1f3775d4f6ece90d1f1c87614
ripemd-160 2fe99ab8d0a42805a4d97887a730d38ceac0ed2e

20155730 as geometric shapes

Circle

Radius = n
Diameter 40311460
Circumference 126642186.59148
Area 1.2762828597737E+15

Sphere

Radius = n
Volume 3.429921696697E+22
Surface area 5.1051314390949E+15
Circumference 126642186.59148

Square

Length = n
Perimeter 80622920
Area 406253451832900
Diagonal 28504506.72553

Cube

Length = n
Surface area 2437520710997400
Volume 8.1883348867119E+21
Space diagonal 34910748.42364

Equilateral Triangle

Length = n
Perimeter 60467190
Area 1.759129048312E+14
Altitude 17455374.21182

Triangular Pyramid

Length = n
Surface area 1.759129048312E+14
Volume 9.6500452083673E+20
Height 9501502.2418434