20180745 (number)

20180745 is an odd 8-digits composite number following 20180744 and preceding 20180746. In scientific notation, it is written as 2.0180745 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 9932544 positive integers (up to 20180745) that are relatively prime to 20180745.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand seven hundred forty-five

Notation

Scientific notation 2.0180745 × 10^7
Engineering notation 2.0180745 × 10^6

Prime Factorization of 20180745

Prime Factorization 15 × 27 × 13 × 3833

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20180745
Product of the distinct prime numbers

The prime factorization of 20180745 is 15 × 27 × 13 × 3833. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180745)

Multiplication

n×y
n×2 40361490
n×3 60542235
n×4 80722980
n×5 100903725

Division

n÷y
n÷2 10090372.5
n÷3 6726915
n÷3 5045186.25
n÷5 4036149

Exponentiation

ny
n2 407262468755025
n3 8.2188600300156E+21
n4 1.6586271845644E+29
n5 3.3472332261762E+36

Nth Root

y√n
2√n 4492.2984095004
3√n 272.25700639938
4√n 67.024610476305
5√n 28.905962768029

Divisors of 20180745

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 -20180744
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 20180745 can be divided by 16 positive divisors. The sum of these divisors (counting 20180745) is 1, the average is 0.0625.

Base conversion 20180745

Base System Value
2 Binary 1001100111110111100001001
3 Ternary 1101222021210000
4 Quaternary 1030332330021
5 Quinary 20131240440
6 Senary 2000313213
8 Octal 114767411
10 Decimal 20180745
12 Duodecimal 6912809
16 Hexadecimal 133ef09
20 Vigesimal 662bh5
36 Base36 c0jk9

Cryptographic Hash Functions

md5 e7334259ffc8fe6fb4e9db6d2903d274
sha1 952fc8780006316f7ede5a26e925686deafc930c
sha256 4efa3d99803dfa03e138a1a2e369db3fa192f2ec597faca0e182f7fb0b1ea854
sha512 b54a46cd467468a19a4b41c061523722b4b6416ac5660dc2a12627d89811bf9afb6b4136c2f96b068d4cc8b54b5265260d437a76576f148cc42474adcfb50514
ripemd-160 8cb4d3175d2146a325e805bacf63c07654048f97

20180745 as geometric shapes

Circle

Radius = n
Diameter 40361490
Circumference 126799360.47194
Area 1.2794527799236E+15

Sphere

Radius = n
Volume 3.442708038824E+22
Surface area 5.1178111196945E+15
Circumference 126799360.47194

Square

Length = n
Perimeter 80722980
Area 407262468755025
Diagonal 28539883.277793

Cube

Length = n
Surface area 2443574812530150
Volume 8.2188600300156E+21
Space diagonal 34954075.674592

Equilateral Triangle

Length = n
Perimeter 60542235
Area 1.7634982197491E+14
Altitude 17477037.837296

Triangular Pyramid

Length = n
Surface area 1.7634982197491E+14
Volume 9.6860194347452E+20
Height 9513294.425931