20789905 (number)

20789905 is an odd 8-digits composite number following 20789904 and preceding 20789906. In scientific notation, it is written as 2.0789905 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 16631920 positive integers (up to 20789905) that are relatively prime to 20789905.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-nine thousand nine hundred five

Notation

Scientific notation 2.0789905 × 10^7
Engineering notation 2.0789905 × 10^6

Prime Factorization of 20789905

Prime Factorization 5 × 4157981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20789905
Product of the distinct prime numbers

The prime factorization of 20789905 is 5 × 4157981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20789905)

Multiplication

n×y
n×2 41579810
n×3 62369715
n×4 83159620
n×5 103949525

Division

n÷y
n÷2 10394952.5
n÷3 6929968.3333333
n÷3 5197476.25
n÷5 4157981

Exponentiation

ny
n2 432220149909025
n3 8.9858158556944E+21
n4 1.8681425798738E+29
n5 3.8838506762031E+36

Nth Root

y√n
2√n 4559.5948284908
3√n 274.96927480418
4√n 67.524771961783
5√n 29.078399637827

Divisors of 20789905

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20789904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20789905 can be divided by 4 positive divisors. The sum of these divisors (counting 20789905) is 1, the average is 0.25.

Base conversion 20789905

Base System Value
2 Binary 1001111010011101010010001
3 Ternary 1110010020101111
4 Quaternary 1033103222101
5 Quinary 20310234110
6 Senary 2021333321
8 Octal 117235221
10 Decimal 20789905
12 Duodecimal 6b67241
16 Hexadecimal 13d3a91
20 Vigesimal 69ief5
36 Base36 cdlld

Cryptographic Hash Functions

md5 6f026080964da597608e9fd15248232e
sha1 b106ed6b73d88e2040f17bc8d46abb9696a0f62b
sha256 0076d8be581535fc46941669ad75fde5900a26a0e9b7fa486d2e0a833f81c18a
sha512 12c58ad941253e114d13c3819d3fdfe84a9997e8101aa48a31014bd03dcdcb2d0a203fa3cf2c8e1a7bf037e5b58d6a41b0e44044cc03b33e7a3855816f8f2fe7
ripemd-160 6eb07350885df30a60bc2e8667ac144c7c0d396e

20789905 as geometric shapes

Circle

Radius = n
Diameter 41579810
Circumference 130626825.63366
Area 1.3578596476877E+15

Sphere

Radius = n
Volume 3.7639697438347E+22
Surface area 5.4314385907507E+15
Circumference 130626825.63366

Square

Length = n
Perimeter 83159620
Area 432220149909025
Diagonal 29401365.611448

Cube

Length = n
Surface area 2593320899454150
Volume 8.9858158556944E+21
Space diagonal 36009171.74453

Equilateral Triangle

Length = n
Perimeter 62369715
Area 1.8715681492437E+14
Altitude 18004585.872265

Triangular Pyramid

Length = n
Surface area 1.8715681492437E+14
Volume 1.0589885543425E+21
Height 9800455.2038161