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

161491 (number)

161491 is an odd 6-digits composite number following 161490 and preceding 161492. In scientific notation, it is written as 1.61491 × 10^5. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 143520 positive integers (up to 161491) that are relatively prime to 161491.

Interesting facts

161491 has 8 divisors, whose sum is 180144
The reverse of 161491 is 194161
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	one hundred sixty-one thousand four hundred ninety-one

Notation

Scientific notation	1.61491 × 10^5
Engineering notation	1.61491 × 10^3

Prime Factorization of 161491

Prime Factorization 11 × 53 × 277

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	161491	Product of the distinct prime numbers

The prime factorization of 161491 is 11 × 53 × 277. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 53, 56, 259, 182, 7752, 1882, 4290, 91952, 916373, 876088, 3733161, 1742663, 71319517, 53525094, 6544692, 780677953, 7157112272, 4857700077

Basic calculations (n = 161491)

Multiplication

n×y

n×2	322982
n×3	484473
n×4	645964
n×5	807455

Division

n÷y

n÷2	80745.5
n÷3	53830.333333333
n÷3	40372.75
n÷5	32298.2

Exponentiation

n^y

n²	26079343081
n³	4211579193493771
n⁴	6.801321355365E+20
n⁵	1.0983521869993E+26

Nth Root

^y√n

²√n	401.85942815865
³√n	54.456464404579
⁴√n	20.046431806151
⁵√n	11.00600396073

Divisors of 161491

1, 11, 53, 277, 583, 3047, 14681, 161491

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-161490	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161491 can be divided by 8 positive divisors. The sum of these divisors (counting 161491) is 1, the average is 0.125.

Base conversion 161491

Base	System	Value
2	Binary	100111011011010011
3	Ternary	22012112011
4	Quaternary	213123103
5	Quinary	20131431
6	Senary	3243351
8	Octal	473323
10	Decimal	161491
12	Duodecimal	79557
16	Hexadecimal	276d3
20	Vigesimal	103eb
36	Base36	3glv

Cryptographic Hash Functions

md5	8b153b9a0ea56c71cde2f517c9db1fa3
sha1	8ad8628c0a0e5ca79fc5313189bb3ef37ce569ea
sha256	19fab65297c0966d11bcf9925285d7703fb48592ec98a079ce17789030edbe01
sha512	330e48681e83ea4488ce66ddc18bdfada0a6acacad06fa36ea07e29e9ad9a19c5f4a41f761e0c51ae46567bb198f6365914fc78a997ad3611f3ecd6214a561d9
ripemd-160	c3e9756e66352d65149e366331f11bb650c14ad9

161491 as geometric shapes

Circle

Radius = n

Diameter	322982
Circumference	1014677.8784417
Area	81930672633.717

Sphere

Radius = n

Volume	1.7641421672389E+16
Surface area	327722690534.87
Circumference	1014677.8784417

Square

Length = n

Perimeter	645964
Area	26079343081
Diagonal	228382.76240119

Cube

Length = n

Surface area	156476058486
Volume	4211579193493771
Space diagonal	279710.61696511

Equilateral Triangle

Length = n

Perimeter	484473
Area	11292686811.078
Altitude	139855.30848255

Triangular Pyramid

Length = n

Surface area	11292686811.078
Volume	4.963393678706E+14
Height	76127.587467064