1990809 (number)

1990809 is an odd 7-digits composite number following 1990808 and preceding 1990810. In scientific notation, it is written as 1.990809 × 10^6. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 1327200 positive integers (up to 1990809) that are relatively prime to 1990809.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety thousand eight hundred nine

Notation

Scientific notation 1.990809 × 10^6
Engineering notation 1.990809 × 10^6

Prime Factorization of 1990809

Prime Factorization 9 × 221201

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990809
Product of the distinct prime numbers

The prime factorization of 1990809 is 9 × 221201. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990809)

Multiplication

n×y
n×2 3981618
n×3 5972427
n×4 7963236
n×5 9954045

Division

n÷y
n÷2 995404.5
n÷3 663603
n÷3 497702.25
n÷5 398161.8

Exponentiation

ny
n2 3963320474481
n3 7890214070481045129
n4 1.570790918344E+25
n5 3.1271446973576E+31

Nth Root

y√n
2√n 1410.9603112774
3√n 125.79880968406
4√n 37.562751646776
5√n 18.188878381344

Divisors of 1990809

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 -1990808
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 1990809 can be divided by 4 positive divisors. The sum of these divisors (counting 1990809) is 1, the average is 0.25.

Base conversion 1990809

Base System Value
2 Binary 111100110000010011001
3 Ternary 10202010212200
4 Quaternary 13212002121
5 Quinary 1002201214
6 Senary 110400413
8 Octal 7460231
10 Decimal 1990809
12 Duodecimal 800109
16 Hexadecimal 1e6099
20 Vigesimal c8h09
36 Base36 16o49

Cryptographic Hash Functions

md5 15ed651470da00eb220b8026ac562ee3
sha1 ae6177ba84b7bbe034187ed305a5d2e6eaa59dd3
sha256 8bcc6cb39a1da164fc03aca06f72033320338876508913952b0f81f60e1eec7e
sha512 2a3b2b57692e466edbc956c0e7c42427cbc865dc6b2504ab0eea359c2e58e9a59a8eed8a4493ece29fb92c6371c5712fe7e80289d688af790a70681f7a41985e
ripemd-160 b132dc37febbb82d0f9b28f5eec89cffb287ce34

1990809 as geometric shapes

Circle

Radius = n
Diameter 3981618
Circumference 12508621.858201
Area 12451138486452

Sphere

Radius = n
Volume 3.3050451412099E+19
Surface area 49804553945806
Circumference 12508621.858201

Square

Length = n
Perimeter 7963236
Area 3963320474481
Diagonal 2815429.0878944

Cube

Length = n
Surface area 23779922846886
Volume 7890214070481045129
Space diagonal 3448182.3361654

Equilateral Triangle

Length = n
Perimeter 5972427
Area 1716168107119.8
Altitude 1724091.1680827

Triangular Pyramid

Length = n
Surface area 1716168107119.8
Volume 9.2987064570844E+17
Height 938476.36263147