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

161091 (number)

161091 is an odd 6-digits composite number following 161090 and preceding 161092. In scientific notation, it is written as 1.61091 × 10^5. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 92016 positive integers (up to 161091) that are relatively prime to 161091.

Interesting facts

161091 has 12 divisors, whose sum is 266032
The reverse of 161091 is 190161
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 18
Digital Root 9

Name

Name	one hundred sixty-one thousand ninety-one

Notation

Scientific notation	1.61091 × 10^5
Engineering notation	1.61091 × 10^3

Prime Factorization of 161091

Prime Factorization 3 × 3 × 7 × 2557

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	53697	Product of the distinct prime numbers

The prime factorization of 161091 is 3 × 3 × 7 × 2557. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 57, 25, 625, 806, 9150, 9721, 61896, 21167, 696719, 456122, 9664832, 9086618, 58676563, 39763184, 317711046, 359264084, 9906743215, 2255760786

Basic calculations (n = 161091)

Multiplication

n×y

n×2	322182
n×3	483273
n×4	644364
n×5	805455

Division

n÷y

n÷2	80545.5
n÷3	53697
n÷3	40272.75
n÷5	32218.2

Exponentiation

n^y

n²	25950310281
n³	4180361433476571
n⁴	6.7341860368017E+20
n⁵	1.0848167628544E+26

Nth Root

^y√n

²√n	401.36143312481
³√n	54.411465828576
⁴√n	20.034006916361
⁵√n	11.000546356488

Divisors of 161091

1, 3, 7, 9, 21, 63, 2557, 7671, 17899, 23013, 53697, 161091

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-161090	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161091 can be divided by 12 positive divisors. The sum of these divisors (counting 161091) is 1, the average is 0.083333333333333.

Base conversion 161091

Base	System	Value
2	Binary	100111010101000011
3	Ternary	22011222100
4	Quaternary	213111003
5	Quinary	20123331
6	Senary	3241443
8	Octal	472503
10	Decimal	161091
12	Duodecimal	79283
16	Hexadecimal	27543
20	Vigesimal	102eb
36	Base36	3gar

Cryptographic Hash Functions

md5	a84b39ccfed0e493d95d33ba02fe1a00
sha1	9e02fb19dfa1f12e0e3884245bdfcd747d666cf3
sha256	50312c8f2ef5f5c699fa91ef5f841152759b9381980488cb97a73b89999b5099
sha512	b48f01735435ce78bcb44cf0e993758d63e18d51a3c502043152d0f2006b3717127d1b3dfb9d28c3cd6fe8e8b842480324b38f310edf8de17a3551df6cf9a51c
ripemd-160	459ee56ad5165ad547ee22100805bbf2fe066280

161091 as geometric shapes

Circle

Radius = n

Diameter	322182
Circumference	1012164.6043189
Area	81525304137.165

Sphere

Radius = n

Volume	1.7510657025013E+16
Surface area	326101216548.66
Circumference	1012164.6043189

Square

Length = n

Perimeter	644364
Area	25950310281
Diagonal	227817.07697624

Cube

Length = n

Surface area	155701861686
Volume	4180361433476571
Space diagonal	279017.79664208

Equilateral Triangle

Length = n

Perimeter	483273
Area	11236813969.717
Altitude	139508.89832104

Triangular Pyramid

Length = n

Surface area	11236813969.717
Volume	4.9266031957033E+14
Height	75939.025658748