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

161005 (number)

161005 is an odd 6-digits composite number following 161004 and preceding 161006. In scientific notation, it is written as 1.61005 × 10^5. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 118848 positive integers (up to 161005) that are relatively prime to 161005.

Interesting facts

161005 has 4 divisors, whose sum is 163548
The reverse of 161005 is 500161
Previous prime number is 65

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 13
Digital Root 4

Name

Name	one hundred sixty-one thousand five

Notation

Scientific notation	1.61005 × 10^5
Engineering notation	1.61005 × 10^3

Prime Factorization of 161005

Prime Factorization 65 × 2477

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	161005	Product of the distinct prime numbers

The prime factorization of 161005 is 65 × 2477. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 39, 12, 853, 428, 5699, 6045, 24170, 36802, 427046, 355320, 8586688, 8988346, 34635888, 58448288, 328526069, 723589066, 2528172414, 9342946683

Basic calculations (n = 161005)

Multiplication

n×y

n×2	322010
n×3	483015
n×4	644020
n×5	805025

Division

n÷y

n÷2	80502.5
n÷3	53668.333333333
n÷3	40251.25
n÷5	32201

Exponentiation

n^y

n²	25922610025
n³	4173669827075125
n⁴	6.7198171050823E+20
n⁵	1.0819241530038E+26

Nth Root

^y√n

²√n	401.25428346623
³√n	54.401781407928
⁴√n	20.031332543449
⁵√n	10.999371555818

Divisors of 161005

1, 65, 2477, 161005

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	-161004	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 161005 can be divided by 4 positive divisors. The sum of these divisors (counting 161005) is 1, the average is 0.25.

Base conversion 161005

Base	System	Value
2	Binary	100111010011101101
3	Ternary	22011212011
4	Quaternary	213103231
5	Quinary	20123010
6	Senary	3241221
8	Octal	472355
10	Decimal	161005
12	Duodecimal	79211
16	Hexadecimal	274ed
20	Vigesimal	102a5
36	Base36	3g8d

Cryptographic Hash Functions

md5	f77083ebd6d298df1fdbede3b61f914e
sha1	05769edbc07d5d61f2b847845974e7319d075b1b
sha256	7e140fe80ecf35cd1bfaadf9b7a92debae59fd38a4ee125b11a6933f68fac283
sha512	61701ab3af8ccf802f9869bc56e0ad11a559470e5e945265013c5dad52444b459e28cfe3d07ab4b93a6d8464ad072c7085ee521c71793165e55dcb22427ab9d1
ripemd-160	9da684069d909a97a92275286c54b5973b0ea023

161005 as geometric shapes

Circle

Radius = n

Diameter	322010
Circumference	1011624.2503824
Area	81438281216.413

Sphere

Radius = n

Volume	1.7482627289665E+16
Surface area	325753124865.65
Circumference	1011624.2503824

Square

Length = n

Perimeter	644020
Area	25922610025
Diagonal	227695.45460988

Cube

Length = n

Surface area	155535660150
Volume	4173669827075125
Space diagonal	278868.84027263

Equilateral Triangle

Length = n

Perimeter	483015
Area	11224819407.024
Altitude	139434.42013631

Triangular Pyramid

Length = n

Surface area	11224819407.024
Volume	4.9187170619308E+14
Height	75898.48486996