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

161666 (number)

161666 is an even 6-digits composite number following 161665 and preceding 161667. In scientific notation, it is written as 1.61666 × 10^5. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 80832 positive integers (up to 161666) that are relatively prime to 161666.

Interesting facts

161666 has 4 divisors, whose sum is 242502
The reverse of 161666 is 666161
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	1.61666 × 10^5
Engineering notation	1.61666 × 10^3

Prime Factorization of 161666

Prime Factorization 2 × 80833

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	161666	Product of the distinct prime numbers

The prime factorization of 161666 is 2 × 80833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 81, 75, 324, 781, 7553, 4901, 76269, 20525, 344828, 805185, 1039726, 2743205, 56244387, 50241897, 893273633, 735537090, 8385134097, 9931399631

Basic calculations (n = 161666)

Multiplication

n×y

n×2	323332
n×3	484998
n×4	646664
n×5	808330

Division

n÷y

n÷2	80833
n÷3	53888.666666667
n÷3	40416.5
n÷5	32333.2

Exponentiation

n^y

n²	26135895556
n³	4225285690956296
n⁴	6.8308503651414E+20
n⁵	1.104316255131E+26

Nth Root

^y√n

²√n	402.07710703297
³√n	54.476127917271
⁴√n	20.051860438198
⁵√n	11.008388262478

Divisors of 161666

1, 2, 80833, 161666

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	-161665	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 161666 can be divided by 4 positive divisors. The sum of these divisors (counting 161666) is 1, the average is 0.25.

Base conversion 161666

Base	System	Value
2	Binary	100111011110000010
3	Ternary	22012202122
4	Quaternary	213132002
5	Quinary	20133131
6	Senary	3244242
8	Octal	473602
10	Decimal	161666
12	Duodecimal	79682
16	Hexadecimal	27782
20	Vigesimal	10436
36	Base36	3gqq

Cryptographic Hash Functions

md5	7f6bb79b02e71ba6172657722caf2cd2
sha1	8a06ccf8450c20355d1f19230dc12dd6efa56c8e
sha256	ac7cdbb929a5c660c39099814df54568b8ae25b1feb97f1849364888ae959627
sha512	755096dd052e628ab8966234ee675df41c64c91b140f629ba47ffe2cad568d8c802f5df114d88f02aa58c8d5c9b6aa62fffee76af5901998098d2978eae03be2
ripemd-160	873476835129ff9567d6cf6dbcc882d5c20e0ed2

161666 as geometric shapes

Circle

Radius = n

Diameter	323332
Circumference	1015777.4358705
Area	82108337473.72

Sphere

Radius = n

Volume	1.7698835314702E+16
Surface area	328433349894.88
Circumference	1015777.4358705

Square

Length = n

Perimeter	646664
Area	26135895556
Diagonal	228630.24977461

Cube

Length = n

Surface area	156815373336
Volume	4225285690956296
Space diagonal	280013.72585643

Equilateral Triangle

Length = n

Perimeter	484998
Area	11317174751.076
Altitude	140006.86292822

Triangular Pyramid

Length = n

Surface area	11317174751.076
Volume	4.9795469408761E+14
Height	76210.083258203