20402449 (number)

20402449 is an odd 8-digits composite number following 20402448 and preceding 20402450. In scientific notation, it is written as 2.0402449 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19294176 positive integers (up to 20402449) that are relatively prime to 20402449.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand four hundred forty-nine

Notation

Scientific notation 2.0402449 × 10^7
Engineering notation 2.0402449 × 10^6

Prime Factorization of 20402449

Prime Factorization 23 × 89 × 9967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402449
Product of the distinct prime numbers

The prime factorization of 20402449 is 23 × 89 × 9967. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402449)

Multiplication

n×y
n×2 40804898
n×3 61207347
n×4 81609796
n×5 102012245

Division

n÷y
n÷2 10201224.5
n÷3 6800816.3333333
n÷3 5100612.25
n÷5 4080489.8

Exponentiation

ny
n2 416259925197601
n3 8.4927218945879E+21
n4 1.7327232532551E+29
n5 3.5351797805652E+36

Nth Root

y√n
2√n 4516.9070169752
3√n 273.2503752143
4√n 67.207938645485
5√n 28.969197204463

Divisors of 20402449

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 -20402448
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 20402449 can be divided by 8 positive divisors. The sum of these divisors (counting 20402449) is 1, the average is 0.125.

Base conversion 20402449

Base System Value
2 Binary 1001101110101000100010001
3 Ternary 1102101112220021
4 Quaternary 1031311010101
5 Quinary 20210334244
6 Senary 2005143441
8 Octal 115650421
10 Decimal 20402449
12 Duodecimal 69bab81
16 Hexadecimal 1375111
20 Vigesimal 67a629
36 Base36 c5amp

Cryptographic Hash Functions

md5 fcbf19dffa1fd511df0f810c7a18445e
sha1 cee3703a516bf71aa23c403eb1d27d259c6cb189
sha256 f6b2e334524b02496ff805b72efd809d749227b8ac1047bb0779a035b9729852
sha512 4074188e0f9e2ae3fffd49623b91f49de69f9190d5bb564806c2167b073296c42e17d9eadff3d1c91b1e5ff1f1092af22bb1c275ad99b9257382609f876b94bf
ripemd-160 50a85dc39eb5924ad976d4833fb4dd1a98f1e50a

20402449 as geometric shapes

Circle

Radius = n
Diameter 40804898
Circumference 128192367.78728
Area 1.3077191229846E+15

Sphere

Radius = n
Volume 3.5574230284025E+22
Surface area 5.2308764919385E+15
Circumference 128192367.78728

Square

Length = n
Perimeter 81609796
Area 416259925197601
Diagonal 28853420.081425

Cube

Length = n
Surface area 2497559551185606
Volume 8.4927218945879E+21
Space diagonal 35338078.266833

Equilateral Triangle

Length = n
Perimeter 61207347
Area 1.8024583489927E+14
Altitude 17669039.133416

Triangular Pyramid

Length = n
Surface area 1.8024583489927E+14
Volume 1.0008768737324E+21
Height 9617806.6938085