16181561 (number)

16181561 is an odd 8-digits composite number following 16181560 and preceding 16181562. In scientific notation, it is written as 1.6181561 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 14674000 positive integers (up to 16181561) that are relatively prime to 16181561.

Interesting facts

Basic properties

Name

Name sixteen million one hundred eighty-one thousand five hundred sixty-one

Notation

Scientific notation 1.6181561 × 10^7
Engineering notation 1.6181561 × 10^6

Prime Factorization of 16181561

Prime Factorization 461 × 11 × 3191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16181561
Product of the distinct prime numbers

The prime factorization of 16181561 is 461 × 11 × 3191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16181561)

Multiplication

n×y
n×2 32363122
n×3 48544683
n×4 64726244
n×5 80907805

Division

n÷y
n÷2 8090780.5
n÷3 5393853.6666667
n÷3 4045390.25
n÷5 3236312.2

Exponentiation

ny
n2 261842916396721
n3 4.2370271240914E+21
n4 6.856171286714E+28
n5 1.1094355390241E+36

Nth Root

y√n
2√n 4022.6311041407
3√n 252.93376280565
4√n 63.424215439694
5√n 27.656937161434

Divisors of 16181561

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 -16181560
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 16181561 can be divided by 8 positive divisors. The sum of these divisors (counting 16181561) is 1, the average is 0.125.

Base conversion 16181561

Base System Value
2 Binary 111101101110100100111001
3 Ternary 1010110002221002
4 Quaternary 331232210321
5 Quinary 13120302221
6 Senary 1334454345
8 Octal 75564471
10 Decimal 16181561
12 Duodecimal 55043b5
16 Hexadecimal f6e939
20 Vigesimal 512di1
36 Base36 9mtrt

Cryptographic Hash Functions

md5 3bbb9cfa3bf13ddccfd7faacb7a52a2e
sha1 71dddef633ac79de882822a9822a9bb616a8ee41
sha256 2cc6a09b808dceaec788a4a3562fcb593da0255113f92a48d10d06f5fd33f4d5
sha512 36713c52beb2f9a8df794b056b26eea63714b266d33faf3bd8467e45f457d88266be76466596fef9fd9184f030db766ce160daaf3dec775618577e10e25718df
ripemd-160 a67e3b2021d132183fa3b0929e7257ba364eff17

16181561 as geometric shapes

Circle

Radius = n
Diameter 32363122
Circumference 101671746.32243
Area 8.2260378254647E+14

Sphere

Radius = n
Volume 1.7748017714808E+22
Surface area 3.2904151301859E+15
Circumference 101671746.32243

Square

Length = n
Perimeter 64726244
Area 261842916396721
Diagonal 22884183.026568

Cube

Length = n
Surface area 1571057498380326
Volume 4.2370271240914E+21
Space diagonal 28027285.797775

Equilateral Triangle

Length = n
Perimeter 48544683
Area 1.1338130870028E+14
Altitude 14013642.898888

Triangular Pyramid

Length = n
Surface area 1.1338130870028E+14
Volume 4.9933843525273E+20
Height 7628061.0088558