20161018 (number)

20161018 is an even 8-digits composite number following 20161017 and preceding 20161019. In scientific notation, it is written as 2.0161018 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 9504880 positive integers (up to 20161018) that are relatively prime to 20161018.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand eighteen

Notation

Scientific notation 2.0161018 × 10^7
Engineering notation 2.0161018 × 10^6

Prime Factorization of 20161018

Prime Factorization 2 × 23 × 71 × 6173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20161018
Product of the distinct prime numbers

The prime factorization of 20161018 is 2 × 23 × 71 × 6173. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 1, 68, 226, 370, 6340, 1228, 49380, 97654, 639454, 676762, 3294517, 4035679, 15115085, 79347552, 812106476, 796773037, 631962378, 8360861350

Basic calculations (n = 20161018)

Multiplication

n×y
n×2 40322036
n×3 60483054
n×4 80644072
n×5 100805090

Division

n÷y
n÷2 10080509
n÷3 6720339.3333333
n÷3 5040254.5
n÷5 4032203.6

Exponentiation

ny
n2 406466646796324
n3 8.1947813824603E+21
n4 1.6521513495785E+29
n5 3.3309053097576E+36

Nth Root

y√n
2√n 4490.1022260078
3√n 272.16826562305
4√n 67.008225062359
5√n 28.900309349177

Divisors of 20161018

1, 2, 23, 46, 71, 142, 1633, 3266, 6173, 12346, 141979, 283958, 438283, 876566, 10080509, 20161018

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 -20161017
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 20161018 can be divided by 16 positive divisors. The sum of these divisors (counting 20161018) is 1, the average is 0.0625.

Base conversion 20161018

Base System Value
2 Binary 1001100111010000111111010
3 Ternary 1101221021201101
4 Quaternary 1030322013322
5 Quinary 20130123033
6 Senary 2000042014
8 Octal 114720772
10 Decimal 20161018
12 Duodecimal 690330a
16 Hexadecimal 133a1fa
20 Vigesimal 6602ai
36 Base36 c04ca

Cryptographic Hash Functions

md5 51be1149c4abb99179e50fbfc04ee7d6
sha1 9bbca2a777110799c1ce3101234a3f0ffa1f1014
sha256 f3545dea80a7b528b0beb0eaeacaf66904c78bc09f088442316392950f5e9acc
sha512 a869be6e8a5c372a093fda91eb02de38716db107fcfd8be4b621ce67105a10d0f1b61a71783d12e8e307f266034b746dba8284b5460996db0892d7f28e7bf630
ripemd-160 a3be728481267364da0346de7a87646dea1f3fea

20161018 as geometric shapes

Circle

Radius = n
Diameter 40322036
Circumference 126675412.07538
Area 1.2769526315046E+15

Sphere

Radius = n
Volume 3.4326219985216E+22
Surface area 5.1078105260184E+15
Circumference 126675412.07538

Square

Length = n
Perimeter 80644072
Area 406466646796324
Diagonal 28511985.086848

Cube

Length = n
Surface area 2438799880777944
Volume 8.1947813824603E+21
Space diagonal 34919907.508311

Equilateral Triangle

Length = n
Perimeter 60483054
Area 1.7600522095835E+14
Altitude 17459953.754155

Triangular Pyramid

Length = n
Surface area 1.7600522095835E+14
Volume 9.657642476465E+20
Height 9503995.0289494