20187145 (number)

20187145 is an odd 8-digits composite number following 20187144 and preceding 20187146. In scientific notation, it is written as 2.0187145 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 14430400 positive integers (up to 20187145) that are relatively prime to 20187145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187145 × 10^7
Engineering notation 2.0187145 × 10^6

Prime Factorization of 20187145

Prime Factorization 11 × 5 × 59 × 6221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20187145
Product of the distinct prime numbers

The prime factorization of 20187145 is 11 × 5 × 59 × 6221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187145)

Multiplication

n×y
n×2 40374290
n×3 60561435
n×4 80748580
n×5 100935725

Division

n÷y
n÷2 10093572.5
n÷3 6729048.3333333
n÷3 5046786.25
n÷5 4037429

Exponentiation

ny
n2 407520823251025
n3 8.2266819494878E+21
n4 1.6607322138319E+29
n5 3.3525442006796E+36

Nth Root

y√n
2√n 4493.0106832724
3√n 272.2857840069
4√n 67.029923789845
5√n 28.907795948107

Divisors of 20187145

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 -20187144
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 20187145 can be divided by 16 positive divisors. The sum of these divisors (counting 20187145) is 1, the average is 0.0625.

Base conversion 20187145

Base System Value
2 Binary 1001101000000100000001001
3 Ternary 1101222121120001
4 Quaternary 1031000200021
5 Quinary 20131442040
6 Senary 2000403001
8 Octal 115004011
10 Decimal 20187145
12 Duodecimal 6916461
16 Hexadecimal 1340809
20 Vigesimal 6637h5
36 Base36 c0oi1

Cryptographic Hash Functions

md5 57f0ea1e4372c85a20f553cb12b96654
sha1 2fd39296315edd00e3077beb7e714e1846841726
sha256 bfddd5a4e054a5249f140fde2037b3f1f3642a48bc45de22e7202a92002cd77e
sha512 edcb55223fab6cdd507de7b728ae816b702fdd4006d88874945afad8ce2b72ad60a3feb174d77f3e9f20e327dd3c9cc262d6d4dc9701fb4404d94b3eb0ae58cf
ripemd-160 74f3161c7886e5203cc8ff71769efb79a571fb11

20187145 as geometric shapes

Circle

Radius = n
Diameter 40374290
Circumference 126839572.8579
Area 1.2802644245103E+15

Sphere

Radius = n
Volume 3.4459844767908E+22
Surface area 5.1210576980411E+15
Circumference 126839572.8579

Square

Length = n
Perimeter 80748580
Area 407520823251025
Diagonal 28548934.244592

Cube

Length = n
Surface area 2445124939506150
Volume 8.2266819494878E+21
Space diagonal 34965160.79976

Equilateral Triangle

Length = n
Perimeter 60561435
Area 1.7646169275327E+14
Altitude 17482580.39988

Triangular Pyramid

Length = n
Surface area 1.7646169275327E+14
Volume 9.6952376552463E+20
Height 9516311.4148641