161864 (number)

161864 is an even 6-digits composite number following 161863 and preceding 161865. In scientific notation, it is written as 1.61864 × 10^5. The sum of its digits is 26. It has a total of 4 prime factors and 8 positive divisors. There are 80928 positive integers (up to 161864) that are relatively prime to 161864.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand eight hundred sixty-four

Notation

Scientific notation 1.61864 × 10^5
Engineering notation 1.61864 × 10^3

Prime Factorization of 161864

Prime Factorization 2 × 2 × 2 × 20233

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40466
Product of the distinct prime numbers

The prime factorization of 161864 is 2 × 2 × 2 × 20233. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161864)

Multiplication

n×y
n×2 323728
n×3 485592
n×4 647456
n×5 809320

Division

n÷y
n÷2 80932
n÷3 53954.666666667
n÷3 40466
n÷5 32372.8

Exponentiation

ny
n2 26199954496
n3 4240829434540544
n4 6.8643761559247E+20
n5 1.1110953821026E+26

Nth Root

y√n
2√n 402.32325311868
3√n 54.498358674583
4√n 20.057997235983
5√n 11.011083441238

Divisors of 161864

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 -161863
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 161864 can be divided by 8 positive divisors. The sum of these divisors (counting 161864) is 1, the average is 0.125.

Base conversion 161864

Base System Value
2 Binary 100111100001001000
3 Ternary 22020000222
4 Quaternary 213201020
5 Quinary 20134424
6 Senary 3245212
8 Octal 474110
10 Decimal 161864
12 Duodecimal 79808
16 Hexadecimal 27848
20 Vigesimal 104d4
36 Base36 3gw8

Cryptographic Hash Functions

md5 1fc295ba00faa42cac2b4f387af7ff3a
sha1 29e5731d6558a666d6a588767a63a798676493b0
sha256 f5a25854fbd62b5174010886dcc13e1da583538478ed86fc82374c137b26c952
sha512 2d12aff5c07b387a818dec8efae15e7d3441e176e16c37a1932ab7242a4da4bed7b973d8b35874fe8ba0e200f255853fc4213c2ca8c0507990e0617836fd6610
ripemd-160 4b07afee14b14dada096f13d4d9ebd7431bdfe70

161864 as geometric shapes

Circle

Radius = n
Diameter 323728
Circumference 1017021.5065613
Area 82309584569.02

Sphere

Radius = n
Volume 1.7763944795573E+16
Surface area 329238338276.08
Circumference 1017021.5065613

Square

Length = n
Perimeter 647456
Area 26199954496
Diagonal 228910.26405996

Cube

Length = n
Surface area 157199726976
Volume 4240829434540544
Space diagonal 280356.67191633

Equilateral Triangle

Length = n
Perimeter 485592
Area 11344913085.766
Altitude 140178.33595816

Triangular Pyramid

Length = n
Surface area 11344913085.766
Volume 4.9978654183652E+14
Height 76303.42135332