1990805 (number)

1990805 is an odd 7-digits composite number following 1990804 and preceding 1990806. In scientific notation, it is written as 1.990805 × 10^6. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 1590120 positive integers (up to 1990805) that are relatively prime to 1990805.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety thousand eight hundred five

Notation

Scientific notation 1.990805 × 10^6
Engineering notation 1.990805 × 10^6

Prime Factorization of 1990805

Prime Factorization 5 × 631 × 631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 3155
Product of the distinct prime numbers

The prime factorization of 1990805 is 5 × 631 × 631. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990805)

Multiplication

n×y
n×2 3981610
n×3 5972415
n×4 7963220
n×5 9954025

Division

n÷y
n÷2 995402.5
n÷3 663601.66666667
n÷3 497701.25
n÷5 398161

Exponentiation

ny
n2 3963304548025
n3 7890166510730910125
n4 1.5707782940396E+25
n5 3.1271132816654E+31

Nth Root

y√n
2√n 1410.9588938024
3√n 125.79872543094
4√n 37.562732778678
5√n 18.188871072198

Divisors of 1990805

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1990804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990805 can be divided by 6 positive divisors. The sum of these divisors (counting 1990805) is 1, the average is 0.16666666666667.

Base conversion 1990805

Base System Value
2 Binary 111100110000010010101
3 Ternary 10202010212112
4 Quaternary 13212002111
5 Quinary 1002201210
6 Senary 110400405
8 Octal 7460225
10 Decimal 1990805
12 Duodecimal 800105
16 Hexadecimal 1e6095
20 Vigesimal c8h05
36 Base36 16o45

Cryptographic Hash Functions

md5 f80f3eb362530108b228e17e9b67794b
sha1 0c30148e3c9f65211c9d8aa0f2a01fb6682faaab
sha256 a578b6f3490eeebb278939bd5b0220e4ba674b75d85194a13a88d399a9bf9e35
sha512 1fc657ce267157d5c026d7ed52fe3f173b75a392caa4ee1c873dc6c53ace51c21f33bdd670e70f7b88de863e450a61bc1ce86325d98b6080432bbe97fcff6fae
ripemd-160 85c6f22a499c2391a9bdb3a31260d71dec98f555

1990805 as geometric shapes

Circle

Radius = n
Diameter 3981610
Circumference 12508596.72546
Area 12451088452014

Sphere

Radius = n
Volume 3.3050252194283E+19
Surface area 49804353808057
Circumference 12508596.72546

Square

Length = n
Perimeter 7963220
Area 3963304548025
Diagonal 2815423.4310402

Cube

Length = n
Surface area 23779827288150
Volume 7890166510730910125
Space diagonal 3448175.4079622

Equilateral Triangle

Length = n
Perimeter 5972415
Area 1716161210762
Altitude 1724087.7039811

Triangular Pyramid

Length = n
Surface area 1716161210762
Volume 9.2986504073814E+17
Height 938474.47701339