20990445 (number)

20990445 is an odd 8-digits composite number following 20990444 and preceding 20990446. In scientific notation, it is written as 2.0990445 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 9595584 positive integers (up to 20990445) that are relatively prime to 20990445.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand four hundred forty-five

Notation

Scientific notation 2.0990445 × 10^7
Engineering notation 2.0990445 × 10^6

Prime Factorization of 20990445

Prime Factorization 105 × 199909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20990445
Product of the distinct prime numbers

The prime factorization of 20990445 is 105 × 199909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20990445)

Multiplication

n×y
n×2 41980890
n×3 62971335
n×4 83961780
n×5 104952225

Division

n÷y
n÷2 10495222.5
n÷3 6996815
n÷3 5247611.25
n÷5 4198089

Exponentiation

ny
n2 440598781298025
n3 9.2483644859032E+21
n4 1.941272860813E+29
n5 4.0748181214889E+36

Nth Root

y√n
2√n 4581.5330403698
3√n 275.85056760687
4√n 67.687022688029
5√n 29.134282642017

Divisors of 20990445

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 -20990444
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 20990445 can be divided by 4 positive divisors. The sum of these divisors (counting 20990445) is 1, the average is 0.25.

Base conversion 20990445

Base System Value
2 Binary 1010000000100100111101101
3 Ternary 1110111102110220
4 Quaternary 1100010213231
5 Quinary 20333143240
6 Senary 2025521553
8 Octal 120044755
10 Decimal 20990445
12 Duodecimal 70432b9
16 Hexadecimal 14049ed
20 Vigesimal 6b3g25
36 Base36 chwbx

Cryptographic Hash Functions

md5 985ca57b1207af13b0bfa6a10c619fbc
sha1 27b9d211534f2ced0f9ec86105776defaa6a4da4
sha256 46d4d4ae30b32cc372c29cdcd6d614fd5ca42f19729388023397bf5b031ee6d5
sha512 3390f40e017554f44999c32e9b2d4d0a7c3e9d4a80e2f4b8c15b60024233135c7c36241f5d50c40f2f041de16719b66c0661f8e730a89853ad4b226a800e79b4
ripemd-160 44c0d5004cc126ff88feb4939d75c34d92402f1a

20990445 as geometric shapes

Circle

Radius = n
Diameter 41980890
Circumference 131886855.61516
Area 1.3841818945065E+15

Sphere

Radius = n
Volume 3.8739458568846E+22
Surface area 5.536727578026E+15
Circumference 131886855.61516

Square

Length = n
Perimeter 83961780
Area 440598781298025
Diagonal 29684971.999247

Cube

Length = n
Surface area 2643592687788150
Volume 9.2483644859032E+21
Space diagonal 36356517.21348

Equilateral Triangle

Length = n
Perimeter 62971335
Area 1.9078486874028E+14
Altitude 18178258.60674

Triangular Pyramid

Length = n
Surface area 1.9078486874028E+14
Volume 1.0899302071445E+21
Height 9894990.6664155