1990385 (number)

1990385 is an odd 7-digits composite number following 1990384 and preceding 1990386. In scientific notation, it is written as 1.990385 × 10^6. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 1592304 positive integers (up to 1990385) that are relatively prime to 1990385.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety thousand three hundred eighty-five

Notation

Scientific notation 1.990385 × 10^6
Engineering notation 1.990385 × 10^6

Prime Factorization of 1990385

Prime Factorization 5 × 398077

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990385
Product of the distinct prime numbers

The prime factorization of 1990385 is 5 × 398077. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990385)

Multiplication

n×y
n×2 3980770
n×3 5971155
n×4 7961540
n×5 9951925

Division

n÷y
n÷2 995192.5
n÷3 663461.66666667
n÷3 497596.25
n÷5 398077

Exponentiation

ny
n2 3961632448225
n3 7885173800460316625
n4 1.5694531654829E+25
n5 3.1238160387797E+31

Nth Root

y√n
2√n 1410.8100509991
3√n 125.78987822581
4√n 37.560751470106
5√n 18.188103546438

Divisors of 1990385

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 -1990384
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 1990385 can be divided by 4 positive divisors. The sum of these divisors (counting 1990385) is 1, the average is 0.25.

Base conversion 1990385

Base System Value
2 Binary 111100101111011110001
3 Ternary 10202010021222
4 Quaternary 13211323301
5 Quinary 1002143020
6 Senary 110354425
8 Octal 7457361
10 Decimal 1990385
12 Duodecimal 7bba15
16 Hexadecimal 1e5ef1
20 Vigesimal c8fj5
36 Base36 16nsh

Cryptographic Hash Functions

md5 e8a23476c3aa2c1badd9a647306ae0a9
sha1 a295830dd92f06a0cd53cb527c37ee3dac93fe29
sha256 30b9b9d5ef1af1f194c8f3bef2fd77d3be5ca3e0dcc3659ce9bad13450713b32
sha512 5713d8e5d6b4f20cc007952fa9f5f8b6294d116f5d9331929a51d7f335b7b8c508dcd51f7fcc509bd49815284ae170c58dde7144b3c7c77938aef5471e6b8c7f
ripemd-160 deb8d5a73ee4ecc2c1d6bc006d02f17e8bb734d0

1990385 as geometric shapes

Circle

Radius = n
Diameter 3980770
Circumference 12505957.787631
Area 12445835395567

Sphere

Radius = n
Volume 3.3029338778406E+19
Surface area 49783341582266
Circumference 12505957.787631

Square

Length = n
Perimeter 7961540
Area 3961632448225
Diagonal 2814829.461344

Cube

Length = n
Surface area 23769794689350
Volume 7885173800460316625
Space diagonal 3447447.946623

Equilateral Triangle

Length = n
Perimeter 5971155
Area 1715437170309.8
Altitude 1723723.9733115

Triangular Pyramid

Length = n
Surface area 1715437170309.8
Volume 9.2927664419E+17
Height 938276.48711466