16561389 (number)

16561389 is an odd 8-digits composite number following 16561388 and preceding 16561390. In scientific notation, it is written as 1.6561389 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 10046400 positive integers (up to 16561389) that are relatively prime to 16561389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6561389 × 10^7
Engineering notation 1.6561389 × 10^6

Prime Factorization of 16561389

Prime Factorization 39 × 71 × 5981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16561389
Product of the distinct prime numbers

The prime factorization of 16561389 is 39 × 71 × 5981. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16561389)

Multiplication

n×y
n×2 33122778
n×3 49684167
n×4 66245556
n×5 82806945

Division

n÷y
n÷2 8280694.5
n÷3 5520463
n÷3 4140347.25
n÷5 3312277.8

Exponentiation

ny
n2 274279605609321
n3 4.5424512432625E+21
n4 7.5229302053205E+28
n5 1.2459017355016E+36

Nth Root

y√n
2√n 4069.5686503609
3√n 254.89750590656
4√n 63.793170875579
5√n 27.785572635613

Divisors of 16561389

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 -16561388
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 16561389 can be divided by 8 positive divisors. The sum of these divisors (counting 16561389) is 1, the average is 0.125.

Base conversion 16561389

Base System Value
2 Binary 111111001011010011101101
3 Ternary 1011011101221210
4 Quaternary 333023103231
5 Quinary 13214431024
6 Senary 1350545033
8 Octal 77132355
10 Decimal 16561389
12 Duodecimal 5668179
16 Hexadecimal fcb4ed
20 Vigesimal 53a399
36 Base36 9uyul

Cryptographic Hash Functions

md5 ef02f553a5e9cb49774f43d8655ad7eb
sha1 9c76868f69b3f019c9f7c35508e78cdb41e32a81
sha256 b2320627044f40eb67899a6be643409857018eb9f45121edcb5ad3d121489876
sha512 63804f7377eb9c18e85d7e7bed48829edc7434e99db786a9bee06d9a64fc2e6190d9675a12bf7f2bdd36080ef2361dad2508325ba1e929a931afbfb7f3357a89
ripemd-160 db39056bccb03192fba55b83a83a02ed353ba708

16561389 as geometric shapes

Circle

Radius = n
Diameter 33122778
Circumference 104058276.03129
Area 8.6167479401175E+14

Sphere

Radius = n
Volume 1.9027375273498E+22
Surface area 3.446699176047E+15
Circumference 104058276.03129

Square

Length = n
Perimeter 66245556
Area 274279605609321
Diagonal 23421340.935537

Cube

Length = n
Surface area 1645677633655926
Volume 4.5424512432625E+21
Space diagonal 28685167.191912

Equilateral Triangle

Length = n
Perimeter 49684167
Area 1.1876655309882E+14
Altitude 14342583.595956

Triangular Pyramid

Length = n
Surface area 1.1876655309882E+14
Volume 5.353330128867E+20
Height 7807113.6451789