161481 (number)

161481 is an odd 6-digits composite number following 161480 and preceding 161482. In scientific notation, it is written as 1.61481 × 10^5. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 101952 positive integers (up to 161481) that are relatively prime to 161481.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand four hundred eighty-one

Notation

Scientific notation 1.61481 × 10^5
Engineering notation 1.61481 × 10^3

Prime Factorization of 161481

Prime Factorization 3 × 19 × 2833

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161481
Product of the distinct prime numbers

The prime factorization of 161481 is 3 × 19 × 2833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161481)

Multiplication

n×y
n×2 322962
n×3 484443
n×4 645924
n×5 807405

Division

n÷y
n÷2 80740.5
n÷3 53827
n÷3 40370.25
n÷5 32296.2

Exponentiation

ny
n2 26076113361
n3 4210796861647641
n4 6.7996368801572E+20
n5 1.0980121630447E+26

Nth Root

y√n
2√n 401.8469858043
3√n 54.455340346304
4√n 20.046121465368
5√n 11.005867652495

Divisors of 161481

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 -161480
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 161481 can be divided by 8 positive divisors. The sum of these divisors (counting 161481) is 1, the average is 0.125.

Base conversion 161481

Base System Value
2 Binary 100111011011001001
3 Ternary 22012111210
4 Quaternary 213123021
5 Quinary 20131411
6 Senary 3243333
8 Octal 473311
10 Decimal 161481
12 Duodecimal 79549
16 Hexadecimal 276c9
20 Vigesimal 103e1
36 Base36 3gll

Cryptographic Hash Functions

md5 d80d27142377b16c96e657adc35795d7
sha1 604896dcbab40cd4c134bc3bb520df2abc921ee9
sha256 95e33520d4b3b73226c3bbe49f8952f2c04da1fb0f225b8f6c7855160ab227a0
sha512 5a931910d2928a15cd0b2d8126e1458871d49ca755c4166933f374b69d79e98b4ebe1bf9737f9ccce809bc8c6c3847e05528915851f73f28fdabab4f8c1857b9
ripemd-160 4369796c0cee467d8d3488df11d4cb4a8fa3e26f

161481 as geometric shapes

Circle

Radius = n
Diameter 322962
Circumference 1014615.0465887
Area 81920526169.092

Sphere

Radius = n
Volume 1.7638144648415E+16
Surface area 327682104676.37
Circumference 1014615.0465887

Square

Length = n
Perimeter 645924
Area 26076113361
Diagonal 228368.62026557

Cube

Length = n
Surface area 156456680166
Volume 4210796861647641
Space diagonal 279693.29645703

Equilateral Triangle

Length = n
Perimeter 484443
Area 11291288301.294
Altitude 139846.64822851

Triangular Pyramid

Length = n
Surface area 11291288301.294
Volume 4.9624716917835E+14
Height 76122.873421857