20155420 (number)

20155420 is an even 8-digits composite number following 20155419 and preceding 20155421. In scientific notation, it is written as 2.0155420 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors. There are 8062160 positive integers (up to 20155420) that are relatively prime to 20155420.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand four hundred twenty

Notation

Scientific notation 2.0155420 × 10^7
Engineering notation 2.0155420 × 10^6

Prime Factorization of 20155420

Prime Factorization 2 × 2 × 5 × 1007771

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10077710
Product of the distinct prime numbers

The prime factorization of 20155420 is 2 × 2 × 5 × 1007771. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 18, 21, 665, 110, 6761, 4408, 97612, 63490, 339899, 110286, 308579, 6487005, 78356490, 85827161, 375801359, 214111990, 5154028128, 1050996973

Basic calculations (n = 20155420)

Multiplication

n×y
n×2 40310840
n×3 60466260
n×4 80621680
n×5 100777100

Division

n÷y
n÷2 10077710
n÷3 6718473.3333333
n÷3 5038855
n÷5 4031084

Exponentiation

ny
n2 406240955376400
n3 8.1879570768126E+21
n4 1.6503171382513E+29
n5 3.3262835054653E+36

Nth Root

y√n
2√n 4489.4788116217
3√n 272.14307279814
4√n 67.003573125779
5√n 28.898704252615

Divisors of 20155420

1, 2, 4, 5, 10, 20, 1007771, 2015542, 4031084, 5038855, 10077710, 20155420

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155420 can be divided by 12 positive divisors. The sum of these divisors (counting 20155420) is 1, the average is 0.083333333333333.

Base conversion 20155420

Base System Value
2 Binary 1001100111000110000011100
3 Ternary 1101221000001001
4 Quaternary 1030320300130
5 Quinary 20124433140
6 Senary 2000000044
8 Octal 114706034
10 Decimal 20155420
12 Duodecimal 6900024
16 Hexadecimal 1338c1c
20 Vigesimal 65j8b0
36 Base36 c000s

Cryptographic Hash Functions

md5 c3255700d15d69642ff6ec93bc07a333
sha1 cf1587cd863ac31365fa7d5353337e3c3018a8d6
sha256 3741daddc715d6bf0a93c37f8af6e71021df23bf085e3fa3e09a6ec4934b7f7a
sha512 45a98a634f793abec925d5cc19d4c99807ed5884fa6fe562aceedcf18708d87d063e649a6b01a2c31c26b18ac9ead2b48f8fd2157beaafd50acdb22a9e3d24d7
ripemd-160 fca99c062f3f12f7b6ec5fe0f7ea85977f84fac1

20155420 as geometric shapes

Circle

Radius = n
Diameter 40310840
Circumference 126640238.80403
Area 1.2762436009978E+15

Sphere

Radius = n
Volume 3.4297634400564E+22
Surface area 5.1049744039912E+15
Circumference 126640238.80403

Square

Length = n
Perimeter 80621680
Area 406240955376400
Diagonal 28504068.319326

Cube

Length = n
Surface area 2437445732258400
Volume 8.1879570768126E+21
Space diagonal 34910211.48789

Equilateral Triangle

Length = n
Perimeter 60466260
Area 1.7590749370681E+14
Altitude 17455105.743945

Triangular Pyramid

Length = n
Surface area 1.7590749370681E+14
Volume 9.649599955131E+20
Height 9501356.106442