1990405 (number)

1990405 is an odd 7-digits composite number following 1990404 and preceding 1990406. In scientific notation, it is written as 1.990405 × 10^6. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 1571856 positive integers (up to 1990405) that are relatively prime to 1990405.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety thousand four hundred five

Notation

Scientific notation 1.990405 × 10^6
Engineering notation 1.990405 × 10^6

Prime Factorization of 1990405

Prime Factorization 5 × 79 × 5039

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1990405
Product of the distinct prime numbers

The prime factorization of 1990405 is 5 × 79 × 5039. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990405)

Multiplication

n×y
n×2 3980810
n×3 5971215
n×4 7961620
n×5 9952025

Division

n÷y
n÷2 995202.5
n÷3 663468.33333333
n÷3 497601.25
n÷5 398081

Exponentiation

ny
n2 3961712064025
n3 7885411500795680125
n4 1.5695162478241E+25
n5 3.1239729872504E+31

Nth Root

y√n
2√n 1410.8171391077
3√n 125.79029954951
4√n 37.560845825243
5√n 18.188140098222

Divisors of 1990405

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 -1990404
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 1990405 can be divided by 8 positive divisors. The sum of these divisors (counting 1990405) is 1, the average is 0.125.

Base conversion 1990405

Base System Value
2 Binary 111100101111100000101
3 Ternary 10202010022201
4 Quaternary 13211330011
5 Quinary 1002143110
6 Senary 110354501
8 Octal 7457405
10 Decimal 1990405
12 Duodecimal 7bba31
16 Hexadecimal 1e5f05
20 Vigesimal c8g05
36 Base36 16nt1

Cryptographic Hash Functions

md5 07b16338f7e43d50aafb604baba201ba
sha1 77ba7cafa97cb5a2d4b884d71799fee45b86b145
sha256 3e07c86e81ac7b77e187e96534b476042513ee2ced1425ccaf244af2ebcf802b
sha512 106b73163b1a0be0ef9ef348708b9422421af9b9990445ed9e48376b04d2f85af23a6ede9236c63dfb1279e34508aeacccc37062b4bdbb53b4a3dbca55f05225
ripemd-160 9b6533b474e69c309dbb3bf8130113648d766cab

1990405 as geometric shapes

Circle

Radius = n
Diameter 3980810
Circumference 12506083.451337
Area 12446085515979

Sphere

Radius = n
Volume 3.3030334455243E+19
Surface area 49784342063916
Circumference 12506083.451337

Square

Length = n
Perimeter 7961620
Area 3961712064025
Diagonal 2814857.7456152

Cube

Length = n
Surface area 23770272384150
Volume 7885411500795680125
Space diagonal 3447482.5876391

Equilateral Triangle

Length = n
Perimeter 5971215
Area 1715471644962.5
Altitude 1723741.2938196

Triangular Pyramid

Length = n
Surface area 1715471644962.5
Volume 9.2930465744317E+17
Height 938285.91520507