20187790 (number)

20187790 is an even 8-digits composite number following 20187789 and preceding 20187791. In scientific notation, it is written as 2.0187790 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors. There are 6620064 positive integers (up to 20187790) that are relatively prime to 20187790.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand seven hundred ninety

Notation

Scientific notation 2.0187790 × 10^7
Engineering notation 2.0187790 × 10^6

Prime Factorization of 20187790

Prime Factorization 2 × 5 × 7 × 23 × 12539

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20187790
Product of the distinct prime numbers

The prime factorization of 20187790 is 2 × 5 × 7 × 23 × 12539. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187790)

Multiplication

n×y
n×2 40375580
n×3 60563370
n×4 80751160
n×5 100938950

Division

n÷y
n÷2 10093895
n÷3 6729263.3333333
n÷3 5046947.5
n÷5 4037558

Exponentiation

ny
n2 407546865084100
n3 8.2274705274761E+21
n4 1.6609444723988E+29
n5 3.3530798210447E+36

Nth Root

y√n
2√n 4493.0824608502
3√n 272.28868391276
4√n 67.030459202144
5√n 28.907980672496

Divisors of 20187790

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187789
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187790 can be divided by 32 positive divisors. The sum of these divisors (counting 20187790) is 1, the average is 0.03125.

Base conversion 20187790

Base System Value
2 Binary 1001101000000101010001110
3 Ternary 1101222122102221
4 Quaternary 1031000222032
5 Quinary 20132002130
6 Senary 2000405554
8 Octal 115005216
10 Decimal 20187790
12 Duodecimal 69168ba
16 Hexadecimal 1340a8e
20 Vigesimal 66399a
36 Base36 c0ozy

Cryptographic Hash Functions

md5 175d93a21930f80d8699d2e7f5e56dd5
sha1 4744eed109f3b54169ad619e632040ef6769cbe4
sha256 d242e2b90149541a94551d002f9d8b2d67d89f840ffc75edf14c9f5aeeb2e3df
sha512 17bf1f7c7bc214d7c0cc4834f81aad457c434498f5e130f9cf94d4658a218540957662410fb2aa8f22f8488494f3d0b2d2e399dcd37fb1b0c1d9e1648376516e
ripemd-160 250dde734fdc9a8c80fce2d58d7618c707ef2b99

20187790 as geometric shapes

Circle

Radius = n
Diameter 40375580
Circumference 126843625.51243
Area 1.2803462373418E+15

Sphere

Radius = n
Volume 3.4463147955661E+22
Surface area 5.121384949367E+15
Circumference 126843625.51243

Square

Length = n
Perimeter 80751160
Area 407546865084100
Diagonal 28549846.41234

Cube

Length = n
Surface area 2445281190504600
Volume 8.2274705274761E+21
Space diagonal 34966277.972531

Equilateral Triangle

Length = n
Perimeter 60563370
Area 1.7647296919777E+14
Altitude 17483138.986265

Triangular Pyramid

Length = n
Surface area 1.7647296919777E+14
Volume 9.6961670033181E+20
Height 9516615.47078