20990505 (number)

20990505 is an odd 8-digits composite number following 20990504 and preceding 20990506. In scientific notation, it is written as 2.0990505 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11194928 positive integers (up to 20990505) that are relatively prime to 20990505.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand five hundred five

Notation

Scientific notation 2.0990505 × 10^7
Engineering notation 2.0990505 × 10^6

Prime Factorization of 20990505

Prime Factorization 3 × 5 × 1399367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20990505
Product of the distinct prime numbers

The prime factorization of 20990505 is 3 × 5 × 1399367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20990505)

Multiplication

n×y
n×2 41981010
n×3 62971515
n×4 83962020
n×5 104952525

Division

n÷y
n÷2 10495252.5
n÷3 6996835
n÷3 5247626.25
n÷5 4198101

Exponentiation

ny
n2 440601300155025
n3 9.2484437939106E+21
n4 1.941295056983E+29
n5 4.0748763600077E+36

Nth Root

y√n
2√n 4581.5395883917
3√n 275.85083044104
4√n 67.687071057859
5√n 29.134299297738

Divisors of 20990505

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 -20990504
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 20990505 can be divided by 8 positive divisors. The sum of these divisors (counting 20990505) is 1, the average is 0.125.

Base conversion 20990505

Base System Value
2 Binary 1010000000100101000101001
3 Ternary 1110111102120010
4 Quaternary 1100010220221
5 Quinary 20333144010
6 Senary 2025522133
8 Octal 120045051
10 Decimal 20990505
12 Duodecimal 7043349
16 Hexadecimal 1404a29
20 Vigesimal 6b3g55
36 Base36 chwdl

Cryptographic Hash Functions

md5 73ab432bec7db87d26643f4d1c0406c7
sha1 7adddaf981cd550b60c70da129d2c35ef49cf7ce
sha256 a51690bb23dc2a4f112569ee3d7687c9a0a635b1b5db899556fb98a1064233c7
sha512 032f2fd6578cba1f45972a2fb768c78431039d057264fcc64d2386727f1a034830b29d55abd83408fdae2b5a21d5373c02eb8a9b5543042acc076f8d3e8be6c9
ripemd-160 a00c0c5e34fdb888a496507e5bc1e0cec487ea53

20990505 as geometric shapes

Circle

Radius = n
Diameter 41981010
Circumference 131887232.60628
Area 1.3841898077291E+15

Sphere

Radius = n
Volume 3.873979077345E+22
Surface area 5.5367592309166E+15
Circumference 131887232.60628

Square

Length = n
Perimeter 83962020
Area 440601300155025
Diagonal 29685056.85206

Cube

Length = n
Surface area 2643607800930150
Volume 9.2484437939106E+21
Space diagonal 36356621.136529

Equilateral Triangle

Length = n
Perimeter 62971515
Area 1.9078595943735E+14
Altitude 18178310.568264

Triangular Pyramid

Length = n
Surface area 1.9078595943735E+14
Volume 1.0899395536828E+21
Height 9895018.9506868