20404639 (number)

20404639 is an odd 8-digits composite number following 20404638 and preceding 20404640. In scientific notation, it is written as 2.0404639 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20379024 positive integers (up to 20404639) that are relatively prime to 20404639.

Interesting facts

Basic properties

Name

Name twenty million four hundred four thousand six hundred thirty-nine

Notation

Scientific notation 2.0404639 × 10^7
Engineering notation 2.0404639 × 10^6

Prime Factorization of 20404639

Prime Factorization 823 × 24793

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20404639
Product of the distinct prime numbers

The prime factorization of 20404639 is 823 × 24793. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20404639)

Multiplication

n×y
n×2 40809278
n×3 61213917
n×4 81618556
n×5 102023195

Division

n÷y
n÷2 10202319.5
n÷3 6801546.3333333
n÷3 5101159.75
n÷5 4080927.8

Exponentiation

ny
n2 416349292720321
n3 8.4954570158635E+21
n4 1.7334673354871E+29
n5 3.5370775198906E+36

Nth Root

y√n
2√n 4517.1494329942
3√n 273.26015176794
4√n 67.209742098852
5√n 28.969819088808

Divisors of 20404639

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 -20404638
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 20404639 can be divided by 4 positive divisors. The sum of these divisors (counting 20404639) is 1, the average is 0.25.

Base conversion 20404639

Base System Value
2 Binary 1001101110101100110011111
3 Ternary 1102101122220101
4 Quaternary 1031311212133
5 Quinary 20210422024
6 Senary 2005201531
8 Octal 115654637
10 Decimal 20404639
12 Duodecimal 6a002a7
16 Hexadecimal 137599f
20 Vigesimal 67abbj
36 Base36 c5cbj

Cryptographic Hash Functions

md5 6f7d846708360d4aa885bad8160dafca
sha1 e9b4bed186b73a28f61d08ec1ad96d6d624e5ede
sha256 114219e507fa1ffa05433f2c2688a752b794dad35a37d01f1d2e8304715f5bf7
sha512 0e57155a6409a57d3bb0a82b9ab878ac5fae8378d13a77b0c8249460ca5a8a92f0fac29467ec39c45ae485b54a6995012203291545457a6beb77b181b3ec26c2
ripemd-160 eac408e1e6e4356c081ab17920ddc04854599828

20404639 as geometric shapes

Circle

Radius = n
Diameter 40809278
Circumference 128206127.9631
Area 1.3079998793375E+15

Sphere

Radius = n
Volume 3.5585687133233E+22
Surface area 5.2319995173499E+15
Circumference 128206127.9631

Square

Length = n
Perimeter 81618556
Area 416349292720321
Diagonal 28856517.209127

Cube

Length = n
Surface area 2498095756321926
Volume 8.4954570158635E+21
Space diagonal 35341871.458101

Equilateral Triangle

Length = n
Perimeter 61213917
Area 1.8028453217174E+14
Altitude 17670935.729051

Triangular Pyramid

Length = n
Surface area 1.8028453217174E+14
Volume 1.001199210866E+21
Height 9618839.069709