20130805 (number)

20130805 is an odd 8-digits composite number following 20130804 and preceding 20130806. In scientific notation, it is written as 2.0130805 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 14831872 positive integers (up to 20130805) that are relatively prime to 20130805.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand eight hundred five

Notation

Scientific notation 2.0130805 × 10^7
Engineering notation 2.0130805 × 10^6

Prime Factorization of 20130805

Prime Factorization 5 × 799 × 5039

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20130805
Product of the distinct prime numbers

The prime factorization of 20130805 is 5 × 799 × 5039. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20130805)

Multiplication

n×y
n×2 40261610
n×3 60392415
n×4 80523220
n×5 100654025

Division

n÷y
n÷2 10065402.5
n÷3 6710268.3333333
n÷3 5032701.25
n÷5 4026161

Exponentiation

ny
n2 405249309948025
n3 8.1579948349483E+21
n4 1.6422700321335E+29
n5 3.3060217774223E+36

Nth Root

y√n
2√n 4486.7365645868
3√n 272.0322418888
4√n 66.983106561183
5√n 28.891642237999

Divisors of 20130805

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 -20130804
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 20130805 can be divided by 8 positive divisors. The sum of these divisors (counting 20130805) is 1, the average is 0.125.

Base conversion 20130805

Base System Value
2 Binary 1001100110010101111110101
3 Ternary 1101212202021101
4 Quaternary 1030302233311
5 Quinary 20123141210
6 Senary 1555250101
8 Octal 114625765
10 Decimal 20130805
12 Duodecimal 68a9931
16 Hexadecimal 1332bf5
20 Vigesimal 65g705
36 Base36 bzh11

Cryptographic Hash Functions

md5 f6685b04048e2f025e6b886b9e66c8de
sha1 1fbb130a57c2f8d300bdaa1649bdf834781f70d6
sha256 0db44b2eb1f5b4e327ad48a642b598c811e94e901f2bb67beaaac232e90071c9
sha512 b1c5b5b357ea2d22c2a8cbb2b3166312d6d1140aad153b2db0453a29a5a76ccd4162c72ed1166de7c55a35ff392f161dcb869a7b075354a7707034326aa0aa29
ripemd-160 ff985931dc255060e47729848920c7c714a0bca1

20130805 as geometric shapes

Circle

Radius = n
Diameter 40261610
Circumference 126485578.1977
Area 1.273128255005E+15

Sphere

Radius = n
Volume 3.4172128855329E+22
Surface area 5.0925130200202E+15
Circumference 126485578.1977

Square

Length = n
Perimeter 80523220
Area 405249309948025
Diagonal 28469257.452488

Cube

Length = n
Surface area 2431495859688150
Volume 8.1579948349483E+21
Space diagonal 34867577.057262

Equilateral Triangle

Length = n
Perimeter 60392415
Area 1.7547809864055E+14
Altitude 17433788.528631

Triangular Pyramid

Length = n
Surface area 1.7547809864055E+14
Volume 9.6142891144612E+20
Height 9489752.4841627