16561621 (number)

16561621 is an odd 8-digits composite number following 16561620 and preceding 16561622. In scientific notation, it is written as 1.6561621 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 15587392 positive integers (up to 16561621) that are relatively prime to 16561621.

Interesting facts

Basic properties

Name

Name sixteen million five hundred sixty-one thousand six hundred twenty-one

Notation

Scientific notation 1.6561621 × 10^7
Engineering notation 1.6561621 × 10^6

Prime Factorization of 16561621

Prime Factorization 17 × 974213

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16561621
Product of the distinct prime numbers

The prime factorization of 16561621 is 17 × 974213. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16561621)

Multiplication

n×y
n×2 33123242
n×3 49684863
n×4 66246484
n×5 82808105

Division

n÷y
n÷2 8280810.5
n÷3 5520540.3333333
n÷3 4140405.25
n÷5 3312324.2

Exponentiation

ny
n2 274287290147641
n3 4.5426421445423E+21
n4 7.5233517536536E+28
n5 1.245989003937E+36

Nth Root

y√n
2√n 4069.5971545105
3√n 254.89869614379
4√n 63.793394285855
5√n 27.785650481943

Divisors of 16561621

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 -16561620
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 16561621 can be divided by 4 positive divisors. The sum of these divisors (counting 16561621) is 1, the average is 0.25.

Base conversion 16561621

Base System Value
2 Binary 111111001011010111010101
3 Ternary 1011011102021101
4 Quaternary 333023113111
5 Quinary 13214432441
6 Senary 1350550101
8 Octal 77132725
10 Decimal 16561621
12 Duodecimal 5668331
16 Hexadecimal fcb5d5
20 Vigesimal 53a411
36 Base36 9uz11

Cryptographic Hash Functions

md5 a4dab1021aa5955fc3dc5f9641fc3ad3
sha1 5055a444f9d5c82f716dc9b41aa7c19cddfd655d
sha256 4a17a25eed43b47e0f7dc569b85500d996fcacb4bc65f230bcbff0a43225f15c
sha512 97f295d7cf56e717a0535735ad9e1d0bb746d4bfc1186d315e573374e6ded0f6be8691902091f9d8ceb627ed173f448bf4a5ffd327fef085494abc0bab7dffbe
ripemd-160 c952a3f5ba0bbcce4101ea7b6c839cd0c963c264

16561621 as geometric shapes

Circle

Radius = n
Diameter 33123242
Circumference 104059733.73028
Area 8.6169893570088E+14

Sphere

Radius = n
Volume 1.9028174918908E+22
Surface area 3.4467957428035E+15
Circumference 104059733.73028

Square

Length = n
Perimeter 66246484
Area 274287290147641
Diagonal 23421669.033083

Cube

Length = n
Surface area 1645723740885846
Volume 4.5426421445423E+21
Space diagonal 28685569.0277

Equilateral Triangle

Length = n
Perimeter 49684863
Area 1.1876988060153E+14
Altitude 14342784.51385

Triangular Pyramid

Length = n
Surface area 1.1876988060153E+14
Volume 5.3535551081827E+20
Height 7807223.0110277