20105940 (number)

20105940 is an even 8-digits composite number following 20105939 and preceding 20105941. In scientific notation, it is written as 2.0105940 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 5236224 positive integers (up to 20105940) that are relatively prime to 20105940.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand nine hundred forty

Notation

Scientific notation 2.0105940 × 10^7
Engineering notation 2.0105940 × 10^6

Prime Factorization of 20105940

Prime Factorization 2 × 2 × 645 × 7793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10052970
Product of the distinct prime numbers

The prime factorization of 20105940 is 2 × 2 × 645 × 7793. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105940)

Multiplication

n×y
n×2 40211880
n×3 60317820
n×4 80423760
n×5 100529700

Division

n÷y
n÷2 10052970
n÷3 6701980
n÷3 5026485
n÷5 4021188

Exponentiation

ny
n2 404248823283600
n3 8.1278025860107E+21
n4 1.6341711112618E+29
n5 3.2856546312762E+36

Nth Root

y√n
2√n 4483.9647634655
3√n 271.92019357046
4√n 66.962413064834
5√n 28.884501481513

Divisors of 20105940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105940 can be divided by 12 positive divisors. The sum of these divisors (counting 20105940) is 1, the average is 0.083333333333333.

Base conversion 20105940

Base System Value
2 Binary 1001100101100101011010100
3 Ternary 1101211111011110
4 Quaternary 1030230223110
5 Quinary 20121342230
6 Senary 1554535020
8 Octal 114545324
10 Decimal 20105940
12 Duodecimal 6897470
16 Hexadecimal 132cad4
20 Vigesimal 65d4h0
36 Base36 byxuc

Cryptographic Hash Functions

md5 c39ce7a24d610593759e33d343839ca0
sha1 4dc6fd532ef2c711ff04b4acaa27ad51315d36ce
sha256 f4ddf32b9f7effc425065fb48bd72385e2877ee7a3262e76cc2019b021b06508
sha512 6089950b5e26573010476755490c8c54c449a894fce4aed2edaf9c2eedbd68fd6fd1e2f2b65324217285082e36c36df02e15d06cfe44072395c1b3863e389bb0
ripemd-160 ff12b61ebaf572bb716f0e9f1bff84ce0c31cee1

20105940 as geometric shapes

Circle

Radius = n
Diameter 40211880
Circumference 126329346.79503
Area 1.2699851334501E+15

Sphere

Radius = n
Volume 3.4045659858719E+22
Surface area 5.0799405338003E+15
Circumference 126329346.79503

Square

Length = n
Perimeter 80423760
Area 404248823283600
Diagonal 28434093.03226

Cube

Length = n
Surface area 2425492939701600
Volume 8.1278025860107E+21
Space diagonal 34824509.613931

Equilateral Triangle

Length = n
Perimeter 60317820
Area 1.7504487520678E+14
Altitude 17412254.806966

Triangular Pyramid

Length = n
Surface area 1.7504487520678E+14
Volume 9.5787072078562E+20
Height 9478031.0107532