20449815 (number)

20449815 is an odd 8-digits composite number following 20449814 and preceding 20449816. In scientific notation, it is written as 2.0449815 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 10906560 positive integers (up to 20449815) that are relatively prime to 20449815.

Interesting facts

Basic properties

Name

Name twenty million four hundred forty-nine thousand eight hundred fifteen

Notation

Scientific notation 2.0449815 × 10^7
Engineering notation 2.0449815 × 10^6

Prime Factorization of 20449815

Prime Factorization 15 × 1363321

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20449815
Product of the distinct prime numbers

The prime factorization of 20449815 is 15 × 1363321. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20449815)

Multiplication

n×y
n×2 40899630
n×3 61349445
n×4 81799260
n×5 102249075

Division

n÷y
n÷2 10224907.5
n÷3 6816605
n÷3 5112453.75
n÷5 4089963

Exponentiation

ny
n2 418194933534225
n3 8.5520090247122E+21
n4 1.7488700243369E+29
n5 3.5764068456736E+36

Nth Root

y√n
2√n 4522.1471669993
3√n 273.46166968938
4√n 67.2469119514
5√n 28.982635616074

Divisors of 20449815

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 -20449814
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 20449815 can be divided by 4 positive divisors. The sum of these divisors (counting 20449815) is 1, the average is 0.25.

Base conversion 20449815

Base System Value
2 Binary 1001110000000101000010111
3 Ternary 1102110221212120
4 Quaternary 1032000220113
5 Quinary 20213343230
6 Senary 2010151023
8 Octal 116005027
10 Decimal 20449815
12 Duodecimal 6a22473
16 Hexadecimal 1380a17
20 Vigesimal 67g4af
36 Base36 c6b6f

Cryptographic Hash Functions

md5 772692f572286af3650593eee46317a0
sha1 fd1c490722b6a79e01e60d4e3a45f58b0122d598
sha256 5c4d493b8ef3a3ce207648f119ba26c5488afee7e1a3d6092826f4394c8c8d6a
sha512 b0e8aabef8144c50a3043eb05118caa57728c1eeaa2e7d70cffe12be065d5554f873e3b1da7cd6f7eb912505c0f254c7fc49c718d708505ea45901ff0b77fe00
ripemd-160 dd61726fce4d5cb18dc6cfe2406b22cff2580af3

20449815 as geometric shapes

Circle

Radius = n
Diameter 40899630
Circumference 128489977.14254
Area 1.3137981309596E+15

Sphere

Radius = n
Volume 3.5822571633959E+22
Surface area 5.2551925238384E+15
Circumference 128489977.14254

Square

Length = n
Perimeter 81799260
Area 418194933534225
Diagonal 28920405.721021

Cube

Length = n
Surface area 2509169601205350
Volume 8.5520090247122E+21
Space diagonal 35420118.585384

Equilateral Triangle

Length = n
Perimeter 61349445
Area 1.8108371808729E+14
Altitude 17710059.292692

Triangular Pyramid

Length = n
Surface area 1.8108371808729E+14
Volume 1.0078639290238E+21
Height 9640135.2403403