20121105 (number)

20121105 is an odd 8-digits composite number following 20121104 and preceding 20121106. In scientific notation, it is written as 2.0121105 × 10^7. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 10570560 positive integers (up to 20121105) that are relatively prime to 20121105.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121105 × 10^7
Engineering notation 2.0121105 × 10^6

Prime Factorization of 20121105

Prime Factorization 15 × 67 × 20021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121105
Product of the distinct prime numbers

The prime factorization of 20121105 is 15 × 67 × 20021. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121105)

Multiplication

n×y
n×2 40242210
n×3 60363315
n×4 80484420
n×5 100605525

Division

n÷y
n÷2 10060552.5
n÷3 6707035
n÷3 5030276.25
n÷5 4024221

Exponentiation

ny
n2 404858866421025
n3 8.1462077614384E+21
n4 1.6391070171972E+29
n5 3.2980644399261E+36

Nth Root

y√n
2√n 4485.655470497
3√n 271.98854208511
4√n 66.975036173914
5√n 28.88885742179

Divisors of 20121105

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 -20121104
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 20121105 can be divided by 8 positive divisors. The sum of these divisors (counting 20121105) is 1, the average is 0.125.

Base conversion 20121105

Base System Value
2 Binary 1001100110000011000010001
3 Ternary 1101212020222010
4 Quaternary 1030300120101
5 Quinary 20122333410
6 Senary 1555133133
8 Octal 114603021
10 Decimal 20121105
12 Duodecimal 68a41a9
16 Hexadecimal 1330611
20 Vigesimal 65f2f5
36 Base36 bz9jl

Cryptographic Hash Functions

md5 b688e1583727654d6797be764f420228
sha1 51444441f079ca9ae1db0df2bd4c3af0c8d7820b
sha256 8543f7c27cf97f73d49fd6667175035f4f38c38053fcbc51bbc2c6951d0c9ea8
sha512 d8ad1d83bcc0944fdecca4abb8a6e98d310ab4f0d0a38c71d500fff588b23c92bd47a102122ad0f6da1b58a67cd4c218f84de69347a20356f5cd1a9d4a45aa07
ripemd-160 9fc43a4a0d198ad8ff141391ff9426b2b9b412dd

20121105 as geometric shapes

Circle

Radius = n
Diameter 40242210
Circumference 126424631.30022
Area 1.271901640489E+15

Sphere

Radius = n
Volume 3.4122755277268E+22
Surface area 5.0876065619559E+15
Circumference 126424631.30022

Square

Length = n
Perimeter 80484420
Area 404858866421025
Diagonal 28455539.580933

Cube

Length = n
Surface area 2429153198526150
Volume 8.1462077614384E+21
Space diagonal 34850776.164428

Equilateral Triangle

Length = n
Perimeter 60363315
Area 1.7530903163399E+14
Altitude 17425388.082214

Triangular Pyramid

Length = n
Surface area 1.7530903163399E+14
Volume 9.6003979151127E+20
Height 9485179.860311