20181105 (number)

20181105 is an odd 8-digits composite number following 20181104 and preceding 20181106. In scientific notation, it is written as 2.0181105 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 9225504 positive integers (up to 20181105) that are relatively prime to 20181105.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181105 × 10^7
Engineering notation 2.0181105 × 10^6

Prime Factorization of 20181105

Prime Factorization 5 × 3 × 21 × 64067

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181105
Product of the distinct prime numbers

The prime factorization of 20181105 is 5 × 3 × 21 × 64067. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 85, 49, 612, 612, 8702, 1697, 11746, 69022, 430614, 930008, 157294, 8689145, 27050377, 43306241, 670784100, 176533670, 506011433, 9486844142

Basic calculations (n = 20181105)

Multiplication

n×y
n×2 40362210
n×3 60543315
n×4 80724420
n×5 100905525

Division

n÷y
n÷2 10090552.5
n÷3 6727035
n÷3 5045276.25
n÷5 4036221

Exponentiation

ny
n2 407276999021025
n3 8.2192998813282E+21
n4 1.6587455393157E+29
n5 3.3475317897212E+36

Nth Root

y√n
2√n 4492.3384778977
3√n 272.25862530129
4√n 67.024909383733
5√n 28.906065896752

Divisors of 20181105

1, 3, 5, 15, 21, 63, 105, 315, 64067, 192201, 320335, 961005, 1345407, 4036221, 6727035, 20181105

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 -20181104
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 20181105 can be divided by 16 positive divisors. The sum of these divisors (counting 20181105) is 1, the average is 0.0625.

Base conversion 20181105

Base System Value
2 Binary 1001100111111000001110001
3 Ternary 1101222022021100
4 Quaternary 1030333001301
5 Quinary 20131243410
6 Senary 2000315013
8 Octal 114770161
10 Decimal 20181105
12 Duodecimal 6912a69
16 Hexadecimal 133f071
20 Vigesimal 662cf5
36 Base36 c0ju9

Cryptographic Hash Functions

md5 a22d56e50edb6b37a5c7f688eb67e5a9
sha1 8f960294b8e049699cd802d64b936303be440b3d
sha256 60758758f498867bc57621c3d3411ae92729cc3c9a35d20e161655bda65f585d
sha512 06b5e2e473116179e5b396ef07f85275bdb71709b1472a48389dde455afb441520a4e49b17ed97b214031705dc3d983d65684572c29036cf79b4a65ef9690f79
ripemd-160 5facfebc04c4629896cc4fb368a0d7fe855c3032

20181105 as geometric shapes

Circle

Radius = n
Diameter 40362210
Circumference 126801622.41865
Area 1.2794984281005E+15

Sphere

Radius = n
Volume 3.442892283311E+22
Surface area 5.1179937124022E+15
Circumference 126801622.41865

Square

Length = n
Perimeter 80724420
Area 407276999021025
Diagonal 28540392.394675

Cube

Length = n
Surface area 2443661994126150
Volume 8.2192998813282E+21
Space diagonal 34954699.212882

Equilateral Triangle

Length = n
Perimeter 60543315
Area 1.7635611376465E+14
Altitude 17477349.606441

Triangular Pyramid

Length = n
Surface area 1.7635611376465E+14
Volume 9.6865378044883E+20
Height 9513464.1315585