20187742 (number)

20187742 is an even 8-digits composite number following 20187741 and preceding 20187743. In scientific notation, it is written as 2.0187742 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10086744 positive integers (up to 20187742) that are relatively prime to 20187742.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187742 × 10^7
Engineering notation 2.0187742 × 10^6

Prime Factorization of 20187742

Prime Factorization 2 × 1949 × 5179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20187742
Product of the distinct prime numbers

The prime factorization of 20187742 is 2 × 1949 × 5179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187742)

Multiplication

n×y
n×2 40375484
n×3 60563226
n×4 80750968
n×5 100938710

Division

n÷y
n÷2 10093871
n÷3 6729247.3333333
n÷3 5046935.5
n÷5 4037548.4

Exponentiation

ny
n2 407544927058564
n3 8.2274118408671E+21
n4 1.6609286757117E+29
n5 3.353039958567E+36

Nth Root

y√n
2√n 4493.0771193025
3√n 272.28846810794
4√n 67.030419357949
5√n 28.907966925727

Divisors of 20187742

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187742 can be divided by 8 positive divisors. The sum of these divisors (counting 20187742) is 1, the average is 0.125.

Base conversion 20187742

Base System Value
2 Binary 1001101000000101001011110
3 Ternary 1101222122101011
4 Quaternary 1031000221132
5 Quinary 20132001432
6 Senary 2000405434
8 Octal 115005136
10 Decimal 20187742
12 Duodecimal 691687a
16 Hexadecimal 1340a5e
20 Vigesimal 663972
36 Base36 c0oym

Cryptographic Hash Functions

md5 e0729dffb672c391d5120a55d8752b21
sha1 c97c0c89c9e09da4628c796e2b740f2dd37f3c83
sha256 5fa7a324a5d7abe29e9f988d9f720d12fd91fd4e89a71e8b1303a18ded7c3610
sha512 5fd5886c3da419f231154044960c71a39b0cd4d439e2f807cf6f49739653d711410bba342f751fb6ccf79c82ede94dcdd295262fab8c80fc30dfef638bdc387e
ripemd-160 a7bc505e04e857ab49ed701561f9e24252729537

20187742 as geometric shapes

Circle

Radius = n
Diameter 40375484
Circumference 126843323.91953
Area 1.280340148855E+15

Sphere

Radius = n
Volume 3.4462902129768E+22
Surface area 5.1213605954199E+15
Circumference 126843323.91953

Square

Length = n
Perimeter 80750968
Area 407544927058564
Diagonal 28549778.530089

Cube

Length = n
Surface area 2445269562351384
Volume 8.2274118408671E+21
Space diagonal 34966194.834092

Equilateral Triangle

Length = n
Perimeter 60563226
Area 1.764721300081E+14
Altitude 17483097.417046

Triangular Pyramid

Length = n
Surface area 1.764721300081E+14
Volume 9.696097840486E+20
Height 9516592.843363