20145555 (number)

20145555 is an odd 8-digits composite number following 20145554 and preceding 20145556. In scientific notation, it is written as 2.0145555 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10252800 positive integers (up to 20145555) that are relatively prime to 20145555.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145555 × 10^7
Engineering notation 2.0145555 × 10^6

Prime Factorization of 20145555

Prime Factorization 895 × 9 × 61 × 41

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145555
Product of the distinct prime numbers

The prime factorization of 20145555 is 895 × 9 × 61 × 41. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145555)

Multiplication

n×y
n×2 40291110
n×3 60436665
n×4 80582220
n×5 100727775

Division

n÷y
n÷2 10072777.5
n÷3 6715185
n÷3 5036388.75
n÷5 4029111

Exponentiation

ny
n2 405843386258025
n3 8.1759402592473E+21
n4 1.6470885416938E+29
n5 3.3181512806562E+36

Nth Root

y√n
2√n 4488.3799972819
3√n 272.09866572655
4√n 66.995372954271
5√n 28.895874824624

Divisors of 20145555

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 -20145554
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 20145555 can be divided by 16 positive divisors. The sum of these divisors (counting 20145555) is 1, the average is 0.0625.

Base conversion 20145555

Base System Value
2 Binary 1001100110110010110010011
3 Ternary 1101220111111200
4 Quaternary 1030312112103
5 Quinary 20124124210
6 Senary 1555442243
8 Octal 114662623
10 Decimal 20145555
12 Duodecimal 68b6383
16 Hexadecimal 1336593
20 Vigesimal 65i3hf
36 Base36 bzser

Cryptographic Hash Functions

md5 6f28a383f749314768ef92083654f74b
sha1 5cf982c93b98d23f27e5dc593a09ab06a604a32a
sha256 1adb98854f3bfa632cce13e52768b32925fe118bd766a048bd5ac9382162ae19
sha512 f21fbd4596c925175cb9221c00df4909c96ff701e87dcc0dc4f5f121b6fda7884938ab7424f34dc1610c3956bfbb530721beba8f28127a84d6a3d5f8f8949d22
ripemd-160 80780a879277a39de8604ac6f9ebd5ace83fc094

20145555 as geometric shapes

Circle

Radius = n
Diameter 40291110
Circumference 126578255.18098
Area 1.2749946007762E+15

Sphere

Radius = n
Volume 3.4247298472854E+22
Surface area 5.0999784031049E+15
Circumference 126578255.18098

Square

Length = n
Perimeter 80582220
Area 405843386258025
Diagonal 28490117.102533

Cube

Length = n
Surface area 2435060317548150
Volume 8.1759402592473E+21
Space diagonal 34893124.806673

Equilateral Triangle

Length = n
Perimeter 60436665
Area 1.7573534122868E+14
Altitude 17446562.403337

Triangular Pyramid

Length = n
Surface area 1.7573534122868E+14
Volume 9.6354379998164E+20
Height 9496705.7008444