20155838 (number)

20155838 is an even 8-digits composite number following 20155837 and preceding 20155839. In scientific notation, it is written as 2.0155838 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10077918 positive integers (up to 20155838) that are relatively prime to 20155838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155838 × 10^7
Engineering notation 2.0155838 × 10^6

Prime Factorization of 20155838

Prime Factorization 2 × 10077919

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20155838
Product of the distinct prime numbers

The prime factorization of 20155838 is 2 × 10077919. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155838)

Multiplication

n×y
n×2 40311676
n×3 60467514
n×4 80623352
n×5 100779190

Division

n÷y
n÷2 10077919
n÷3 6718612.6666667
n÷3 5038959.5
n÷5 4031167.6

Exponentiation

ny
n2 406257805482244
n3 8.1884665135356E+21
n4 1.6504540451525E+29
n5 3.3266284360538E+36

Nth Root

y√n
2√n 4489.5253646683
3√n 272.14495409555
4√n 67.003920517148
5√n 28.898824116732

Divisors of 20155838

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155838 can be divided by 4 positive divisors. The sum of these divisors (counting 20155838) is 1, the average is 0.25.

Base conversion 20155838

Base System Value
2 Binary 1001100111000110110111110
3 Ternary 1101221000121112
4 Quaternary 1030320312332
5 Quinary 20124441323
6 Senary 2000002022
8 Octal 114706676
10 Decimal 20155838
12 Duodecimal 6900312
16 Hexadecimal 1338dbe
20 Vigesimal 65j9bi
36 Base36 c00ce

Cryptographic Hash Functions

md5 eaef532f8ca39cd1777a10a26a0236cf
sha1 697d85bd028dae007d97407888b1b797b80c1e56
sha256 6641506abc55cbb3f3ff1c29421874cd00239392cf8c79eec8bb75336fd57aa6
sha512 45a019fcae45326643e0eede8cb8f4bf3975ae1a4b6615c1f165ad6f22e8a839773fe6cbe8a19a675cb53706f108f2165c5660e3f3025e17d54b5b97ee06332c
ripemd-160 1bb1910928b6434cbb0bcb2855e7e773f149cc6b

20155838 as geometric shapes

Circle

Radius = n
Diameter 40311676
Circumference 126642865.17549
Area 1.2762965371665E+15

Sphere

Radius = n
Volume 3.4299768324119E+22
Surface area 5.1051861486661E+15
Circumference 126642865.17549

Square

Length = n
Perimeter 80623352
Area 406257805482244
Diagonal 28504659.460595

Cube

Length = n
Surface area 2437546832893464
Volume 8.1884665135356E+21
Space diagonal 34910935.485127

Equilateral Triangle

Length = n
Perimeter 60467514
Area 1.7591479001667E+14
Altitude 17455467.742564

Triangular Pyramid

Length = n
Surface area 1.7591479001667E+14
Volume 9.6502003320667E+20
Height 9501553.1535317