201561 (number)

201561 is an odd 6-digits composite number following 201560 and preceding 201562. In scientific notation, it is written as 2.01561 × 10^5. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 134372 positive integers (up to 201561) that are relatively prime to 201561.

Interesting facts

Basic properties

Name

Name two hundred one thousand five hundred sixty-one

Notation

Scientific notation 2.01561 × 10^5
Engineering notation 2.01561 × 10^3

Prime Factorization of 201561

Prime Factorization 3 × 67187

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 201561
Product of the distinct prime numbers

The prime factorization of 201561 is 3 × 67187. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201561)

Multiplication

n×y
n×2 403122
n×3 604683
n×4 806244
n×5 1007805

Division

n÷y
n÷2 100780.5
n÷3 67187
n÷3 50390.25
n÷5 40312.2

Exponentiation

ny
n2 40626836721
n3 8188785836321481
n4 1.6505398619548E+21
n5 3.3268446511547E+26

Nth Root

y√n
2√n 448.95545436045
3√n 58.632107027213
4√n 21.188568954992
5√n 11.50485901088

Divisors of 201561

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 -201560
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 201561 can be divided by 4 positive divisors. The sum of these divisors (counting 201561) is 1, the average is 0.25.

Base conversion 201561

Base System Value
2 Binary 110001001101011001
3 Ternary 101020111020
4 Quaternary 301031121
5 Quinary 22422221
6 Senary 4153053
8 Octal 611531
10 Decimal 201561
12 Duodecimal 98789
16 Hexadecimal 31359
20 Vigesimal 153i1
36 Base36 4bix

Cryptographic Hash Functions

md5 815deb6cc3800ee7797eb4e15442697a
sha1 15cccfbdfa2c7b30731f1be2df305d1cd544772b
sha256 4d60f7d312d438617527ddb58164aaef00bd156366628c8f0690ad5886bbf2f7
sha512 da173a825d2fcadc62408cd969994f872c8a0b5b44d060ab25eacaf88f778715baa5452893ccf56d45125c08b0d21b683928148cd42cac9a858841c6701274c4
ripemd-160 c9768d71017414bc707473ecf9249026177690f7

201561 as geometric shapes

Circle

Radius = n
Diameter 403122
Circumference 1266445.1137004
Area 127632971781.29

Sphere

Radius = n
Volume 3.4301105900277E+16
Surface area 510531887125.14
Circumference 1266445.1137004

Square

Length = n
Perimeter 806244
Area 40626836721
Diagonal 285050.29984548

Cube

Length = n
Surface area 243761020326
Volume 8188785836321481
Space diagonal 349113.89282439

Equilateral Triangle

Length = n
Perimeter 604683
Area 17591936337.894
Altitude 174556.9464122

Triangular Pyramid

Length = n
Surface area 17591936337.894
Volume 9.6505766575788E+14
Height 95016.766615161