199991 (number)

199991 is an odd 6-digits composite number following 199990 and preceding 199992. In scientific notation, it is written as 1.99991 × 10^5. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 181800 positive integers (up to 199991) that are relatively prime to 199991.

Interesting facts

Basic properties

Name

Name one hundred ninety-nine thousand nine hundred ninety-one

Notation

Scientific notation 1.99991 × 10^5
Engineering notation 1.99991 × 10^3

Prime Factorization of 199991

Prime Factorization 11 × 18181

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 199991
Product of the distinct prime numbers

The prime factorization of 199991 is 11 × 18181. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 199991)

Multiplication

n×y
n×2 399982
n×3 599973
n×4 799964
n×5 999955

Division

n÷y
n÷2 99995.5
n÷3 66663.666666667
n÷3 49997.75
n÷5 39998.2

Exponentiation

ny
n2 39996400081
n3 7998920048599271
n4 1.5997120194394E+21
n5 3.1992800647971E+26

Nth Root

y√n
2√n 447.20353308086
3√n 58.479477545777
4√n 21.147187356262
5√n 11.486880165257

Divisors of 199991

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 -199990
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 199991 can be divided by 4 positive divisors. The sum of these divisors (counting 199991) is 1, the average is 0.25.

Base conversion 199991

Base System Value
2 Binary 110000110100110111
3 Ternary 101011100002
4 Quaternary 300310313
5 Quinary 22344431
6 Senary 4141515
8 Octal 606467
10 Decimal 199991
12 Duodecimal 9789b
16 Hexadecimal 30d37
20 Vigesimal 14jjb
36 Base36 4abb

Cryptographic Hash Functions

md5 a3e228016ff7a45ccdca3c0cc1bb226b
sha1 4c97028811100e7639f7f2fc3629856267d7aa09
sha256 7d0d6be7d304db051475d0802db31c15f8d621009f7ae719f43bf481792a0bf0
sha512 475659c2b2a8a94cf07cd1fd224ee5255369df0231fb7278fe3cc6198f4a7c672c213eecc56be33d9ef269fe32df0b9228eaed25f8f1cb32ca6fa34015854744
ripemd-160 2e2655dc59ea6b1eb62d597a692e1238c89318d5

199991 as geometric shapes

Circle

Radius = n
Diameter 399982
Circumference 1256580.5127682
Area 125652396664.51

Sphere

Radius = n
Volume 3.3505797948442E+16
Surface area 502609586658.03
Circumference 1256580.5127682

Square

Length = n
Perimeter 799964
Area 39996400081
Diagonal 282829.98455256

Cube

Length = n
Surface area 239978400486
Volume 7998920048599271
Space diagonal 346394.57305651

Equilateral Triangle

Length = n
Perimeter 599973
Area 17318949265.036
Altitude 173197.28652825

Triangular Pyramid

Length = n
Surface area 17318949265.036
Volume 9.4268176808893E+14
Height 94276.661517519