Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

261661 (number)

261661 is an odd 6-digits composite number following 261660 and preceding 261662. In scientific notation, it is written as 2.61661 × 10^5. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 256672 positive integers (up to 261661) that are relatively prime to 261661.

Interesting facts

261661 has 4 divisors, whose sum is 266652
The reverse of 261661 is 166162
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 22
Digital Root 4

Name

Name	two hundred sixty-one thousand six hundred sixty-one

Notation

Scientific notation	2.61661 × 10^5
Engineering notation	2.61661 × 10^3

Prime Factorization of 261661

Prime Factorization 53 × 4937

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	261661	Product of the distinct prime numbers

The prime factorization of 261661 is 53 × 4937. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 63, 35, 83, 768, 3114, 2194, 79205, 31029, 365739, 254707, 5603967, 7926138, 45549976, 83009024, 969040639, 258927490, 7701109886, 7910702962

Basic calculations (n = 261661)

Multiplication

n×y

n×2	523322
n×3	784983
n×4	1046644
n×5	1308305

Division

n÷y

n÷2	130830.5
n÷3	87220.333333333
n÷3	65415.25
n÷5	52332.2

Exponentiation

n^y

n²	68466478921
n³	17915007340947781
n⁴	4.6876587358397E+21
n⁵	1.2265774724786E+27

Nth Root

^y√n

²√n	511.5281028448
³√n	63.960669193821
⁴√n	22.616987041708
⁵√n	12.121260905804

Divisors of 261661

1, 53, 4937, 261661

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	-261660	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 261661 can be divided by 4 positive divisors. The sum of these divisors (counting 261661) is 1, the average is 0.25.

Base conversion 261661

Base	System	Value
2	Binary	111111111000011101
3	Ternary	111021221011
4	Quaternary	333320131
5	Quinary	31333121
6	Senary	5335221
8	Octal	777035
10	Decimal	261661
12	Duodecimal	107511
16	Hexadecimal	3fe1d
20	Vigesimal	1ce31
36	Base36	5lwd

Cryptographic Hash Functions

md5	450e1dcb35ef719a95db77bd9d44b1ee
sha1	1e88b6e71198c41f2297598ff8d43139b18270bb
sha256	a730dc3fd221e1353ce4f23db65b6c36b378c27670f25c080886e10e1530c4e7
sha512	467095098f800c1120f3a311afca8b7927b618f8fcd31907905a04c069d34d77d236c932d862b4142adf6477348075b87d8769c8c3b5214a7ee20fe2b32125da
ripemd-160	bb2caad62d9cfb1abef98d7127c7ef48cdf1bfc7

261661 as geometric shapes

Circle

Radius = n

Diameter	523322
Circumference	1644064.5506619
Area	215093787195.37

Sphere

Radius = n

Volume	7.5042207268438E+16
Surface area	860375148781.5
Circumference	1644064.5506619

Square

Length = n

Perimeter	1046644
Area	68466478921
Diagonal	370044.53494411

Cube

Length = n

Surface area	410798873526
Volume	17915007340947781
Space diagonal	453210.14635928

Equilateral Triangle

Length = n

Perimeter	784983
Area	29646855026.629
Altitude	226605.07317964

Triangular Pyramid

Length = n

Surface area	29646855026.629
Volume	2.1113038626318E+15
Height	123348.1783147