20188405 (number)

20188405 is an odd 8-digits composite number following 20188404 and preceding 20188406. In scientific notation, it is written as 2.0188405 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16150720 positive integers (up to 20188405) that are relatively prime to 20188405.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-eight thousand four hundred five

Notation

Scientific notation 2.0188405 × 10^7
Engineering notation 2.0188405 × 10^6

Prime Factorization of 20188405

Prime Factorization 5 × 4037681

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20188405
Product of the distinct prime numbers

The prime factorization of 20188405 is 5 × 4037681. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20188405)

Multiplication

n×y
n×2 40376810
n×3 60565215
n×4 80753620
n×5 100942025

Division

n÷y
n÷2 10094202.5
n÷3 6729468.3333333
n÷3 5047101.25
n÷5 4037681

Exponentiation

ny
n2 407571696444025
n3 8.228222474349E+21
n4 1.6611468774226E+29
n5 3.3535905925893E+36

Nth Root

y√n
2√n 4493.1508988682
3√n 272.29144888176
4√n 67.030969699596
5√n 28.908156800655

Divisors of 20188405

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 -20188404
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 20188405 can be divided by 4 positive divisors. The sum of these divisors (counting 20188405) is 1, the average is 0.25.

Base conversion 20188405

Base System Value
2 Binary 1001101000000110011110101
3 Ternary 1101222200021201
4 Quaternary 1031000303311
5 Quinary 20132012110
6 Senary 2000412501
8 Octal 115006365
10 Decimal 20188405
12 Duodecimal 6917131
16 Hexadecimal 1340cf5
20 Vigesimal 663b05
36 Base36 c0ph1

Cryptographic Hash Functions

md5 4814d2804c82c8200e2dc269853a6742
sha1 1a03132cf93e296e79fa31c2606a7b4028df1e5e
sha256 46e1d3debc36e0d7993b28cc571e76b430403e675e1ffc7b22a3336f4f01ed77
sha512 2ae4738024f1cca0b4d919e15dcb0a4382dfa45216a681952cf112ead5f299bb6f420b70ec1652b76454890469ec2bdc0fb0d38fdd1e8f380b6bd681bd273fdf
ripemd-160 f111c5aee4abebd74d0cceed3cf7f0696bcce45b

20188405 as geometric shapes

Circle

Radius = n
Diameter 40376810
Circumference 126847489.67139
Area 1.2804242473597E+15

Sphere

Radius = n
Volume 3.4466297703356E+22
Surface area 5.1216969894387E+15
Circumference 126847489.67139

Square

Length = n
Perimeter 80753620
Area 407571696444025
Diagonal 28550716.153681

Cube

Length = n
Surface area 2445430178664150
Volume 8.228222474349E+21
Space diagonal 34967343.183778

Equilateral Triangle

Length = n
Perimeter 60565215
Area 1.7648372149202E+14
Altitude 17483671.591889

Triangular Pyramid

Length = n
Surface area 1.7648372149202E+14
Volume 9.6970531812063E+20
Height 9516905.3845603