1991085 (number)

1991085 is an odd 7-digits composite number following 1991084 and preceding 1991086. In scientific notation, it is written as 1.991085 × 10^6. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 1061904 positive integers (up to 1991085) that are relatively prime to 1991085.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991085 × 10^6
Engineering notation 1.991085 × 10^6

Prime Factorization of 1991085

Prime Factorization 3 × 5 × 132739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1991085
Product of the distinct prime numbers

The prime factorization of 1991085 is 3 × 5 × 132739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991085)

Multiplication

n×y
n×2 3982170
n×3 5973255
n×4 7964340
n×5 9955425

Division

n÷y
n÷2 995542.5
n÷3 663695
n÷3 497771.25
n÷5 398217

Exponentiation

ny
n2 3964419477225
n3 7893496154810539125
n4 1.5716621791401E+25
n5 3.1293129899532E+31

Nth Root

y√n
2√n 1411.0581136155
3√n 125.80462287643
4√n 37.564053476901
5√n 18.189382684074

Divisors of 1991085

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 -1991084
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 1991085 can be divided by 8 positive divisors. The sum of these divisors (counting 1991085) is 1, the average is 0.125.

Base conversion 1991085

Base System Value
2 Binary 111100110000110101101
3 Ternary 10202011020220
4 Quaternary 13212012231
5 Quinary 1002203320
6 Senary 110401553
8 Octal 7460655
10 Decimal 1991085
12 Duodecimal 8002b9
16 Hexadecimal 1e61ad
20 Vigesimal c8he5
36 Base36 16obx

Cryptographic Hash Functions

md5 8a6ca9eadef7550a639b2741194c38aa
sha1 6c020b6984924e312eca63012116707deb9aff9a
sha256 8a7e3d04ae5597c83ed3349abe0dbaa796169f1e1ae1927f30caea566bbe1712
sha512 71052d5ef98a4091ffc30a0475c661fb9589848d4a948b961f404ed81889858c3bbfa1f14167aa59d6b799641d96a12c72bfa7c70adab6d856fd090aac856191
ripemd-160 9a6af9ce3d8c4a9ca7a3495135d107ddb67ca9d2

1991085 as geometric shapes

Circle

Radius = n
Diameter 3982170
Circumference 12510356.017346
Area 12454591105398

Sphere

Radius = n
Volume 3.3064199374789E+19
Surface area 49818364421593
Circumference 12510356.017346

Square

Length = n
Perimeter 7964340
Area 3964419477225
Diagonal 2815819.4108376

Cube

Length = n
Surface area 23786516863350
Volume 7893496154810539125
Space diagonal 3448660.3821883

Equilateral Triangle

Length = n
Perimeter 5973255
Area 1716643989267.3
Altitude 1724330.1910941

Triangular Pyramid

Length = n
Surface area 1716643989267.3
Volume 9.3025744305608E+17
Height 938606.47027921