20155385 (number)

20155385 is an odd 8-digits composite number following 20155384 and preceding 20155386. In scientific notation, it is written as 2.0155385 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 15942784 positive integers (up to 20155385) that are relatively prime to 20155385.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand three hundred eighty-five

Notation

Scientific notation 2.0155385 × 10^7
Engineering notation 2.0155385 × 10^6

Prime Factorization of 20155385

Prime Factorization 5 × 89 × 45293

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155385
Product of the distinct prime numbers

The prime factorization of 20155385 is 5 × 89 × 45293. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155385)

Multiplication

n×y
n×2 40310770
n×3 60466155
n×4 80621540
n×5 100776925

Division

n÷y
n÷2 10077692.5
n÷3 6718461.6666667
n÷3 5038846.25
n÷5 4031077

Exponentiation

ny
n2 406239544498225
n3 8.1879144215864E+21
n4 1.6503056751413E+29
n5 3.3262546250157E+36

Nth Root

y√n
2√n 4489.4749136174
3√n 272.14291527206
4√n 67.00354403774
5√n 28.898694216055

Divisors of 20155385

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155385 can be divided by 8 positive divisors. The sum of these divisors (counting 20155385) is 1, the average is 0.125.

Base conversion 20155385

Base System Value
2 Binary 1001100111000101111111001
3 Ternary 1101220222222202
4 Quaternary 1030320233321
5 Quinary 20124433020
6 Senary 1555555545
8 Octal 114705771
10 Decimal 20155385
12 Duodecimal 68bbbb5
16 Hexadecimal 1338bf9
20 Vigesimal 65j895
36 Base36 bzzzt

Cryptographic Hash Functions

md5 6bfc22323f2410017cf00fb8a7e9535c
sha1 2d938c0e3d23c644711b648e641b144f4e504248
sha256 ef16d33729d49c2f8a10426e5b218c2d8a2f74c9acf733ad01e7f7fb75efe717
sha512 1194e88186c48a50e83c5336aba39cefdfc6bddba34b727d7681d155128578b679b4f90aa69e2308715361e49e4a76f1fe7f11c4e1ab2f4d0adcae34eb7b15ed
ripemd-160 e66773006924e4e9f8e4370b9606c3fb85179af2

20155385 as geometric shapes

Circle

Radius = n
Diameter 40310770
Circumference 126640018.89255
Area 1.2762391685933E+15

Sphere

Radius = n
Volume 3.429745572677E+22
Surface area 5.1049566743732E+15
Circumference 126640018.89255

Square

Length = n
Perimeter 80621540
Area 406239544498225
Diagonal 28504018.821851

Cube

Length = n
Surface area 2437437266989350
Volume 8.1879144215864E+21
Space diagonal 34910150.866112

Equilateral Triangle

Length = n
Perimeter 60466155
Area 1.7590688277864E+14
Altitude 17455075.433056

Triangular Pyramid

Length = n
Surface area 1.7590688277864E+14
Volume 9.6495496854647E+20
Height 9501339.6072837