1985890 (number)

1985890 is an even 7-digits composite number following 1985889 and preceding 1985891. In scientific notation, it is written as 1.985890 × 10^6. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 794352 positive integers (up to 1985890) that are relatively prime to 1985890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.985890 × 10^6
Engineering notation 1.985890 × 10^6

Prime Factorization of 1985890

Prime Factorization 2 × 5 × 198589

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1985890
Product of the distinct prime numbers

The prime factorization of 1985890 is 2 × 5 × 198589. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1985890)

Multiplication

n×y
n×2 3971780
n×3 5957670
n×4 7943560
n×5 9929450

Division

n÷y
n÷2 992945
n÷3 661963.33333333
n÷3 496472.5
n÷5 397178

Exponentiation

ny
n2 3943759092100
n3 7831871743410469000
n4 1.5553235776521E+25
n5 3.0887015396236E+31

Nth Root

y√n
2√n 1409.216094146
3√n 125.69511403334
4√n 37.539527090068
5√n 18.179881068984

Divisors of 1985890

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 -1985889
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 1985890 can be divided by 8 positive divisors. The sum of these divisors (counting 1985890) is 1, the average is 0.125.

Base conversion 1985890

Base System Value
2 Binary 111100100110101100010
3 Ternary 10201220010111
4 Quaternary 13210311202
5 Quinary 1002022030
6 Senary 110321534
8 Octal 7446542
10 Decimal 1985890
12 Duodecimal 7b92aa
16 Hexadecimal 1e4d62
20 Vigesimal c84ea
36 Base36 16kbm

Cryptographic Hash Functions

md5 72314b91b5a8ef42f311a1a147a93f1e
sha1 e5ecf1d11066744b0ade7dd5993a69818bb29b81
sha256 272ce8691ee8a683a87a977024917b541fa4bd4a4d593601c36aa0eb816adb4d
sha512 60ad0ae6107729ffaa11fc1d1c919fe7e142dac782f33c95fb9dc03f39b7da262c8dc9822bdfc9efbfedecd53e62e904aa96f6848560f60c8b727d1698bd46ae
ripemd-160 dc9bc3fb354c5df9dac7741a3548a010f0afdd34

1985890 as geometric shapes

Circle

Radius = n
Diameter 3971780
Circumference 12477714.869675
Area 12389684591269

Sphere

Radius = n
Volume 3.2806067643941E+19
Surface area 49558738365077
Circumference 12477714.869675

Square

Length = n
Perimeter 7943560
Area 3943759092100
Diagonal 2808472.5713811

Cube

Length = n
Surface area 23662554552600
Volume 7831871743410469000
Space diagonal 3439662.378243

Equilateral Triangle

Length = n
Perimeter 5957670
Area 1707697780082.2
Altitude 1719831.1891215

Triangular Pyramid

Length = n
Surface area 1707697780082.2
Volume 9.2299493652481E+17
Height 936157.5237937