16661840 (number)

16661840 is an even 8-digits composite number following 16661839 and preceding 16661841. In scientific notation, it is written as 1.6661840 × 10^7. The sum of its digits is 32. It has a total of 8 prime factors and 80 positive divisors. There are 5971968 positive integers (up to 16661840) that are relatively prime to 16661840.

Interesting facts

Basic properties

Name

Name sixteen million six hundred sixty-one thousand eight hundred forty

Notation

Scientific notation 1.6661840 × 10^7
Engineering notation 1.6661840 × 10^6

Prime Factorization of 16661840

Prime Factorization 2 × 2 × 2 × 2 × 13 × 5 × 37 × 433

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2082730
Product of the distinct prime numbers

The prime factorization of 16661840 is 2 × 2 × 2 × 2 × 13 × 5 × 37 × 433. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16661840)

Multiplication

n×y
n×2 33323680
n×3 49985520
n×4 66647360
n×5 83309200

Division

n÷y
n÷2 8330920
n÷3 5553946.6666667
n÷3 4165460
n÷5 3332368

Exponentiation

ny
n2 277616912185600
n3 4.6256085721305E+21
n4 7.7071149931467E+28
n5 1.2841471687741E+36

Nth Root

y√n
2√n 4081.891718309
3√n 255.41181694918
4√n 63.88968397409
5√n 27.819197128086

Divisors of 16661840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16661839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16661840 can be divided by 80 positive divisors. The sum of these divisors (counting 16661840) is 1, the average is 0.0125.

Base conversion 16661840

Base System Value
2 Binary 111111100011110101010000
3 Ternary 1011100111202012
4 Quaternary 333203311100
5 Quinary 13231134330
6 Senary 1353042052
8 Octal 77436520
10 Decimal 16661840
12 Duodecimal 56b6328
16 Hexadecimal fe3d50
20 Vigesimal 542ec0
36 Base36 9x4cw

Cryptographic Hash Functions

md5 c68eb157d413009972a9e248cc50dc8b
sha1 595158fd247fde56f25268123f41f0e3fa3da748
sha256 662044fc4ad81ef1885693174ea151b219545f7aa7efc4c10eba646a04a63d18
sha512 53604b44029212250b843d00670386670c23d31263d1050657cc853a65534394deaea3544a06df9784b2ccb5f39507619f829d6aa51d70a332966ee8b8a58d87
ripemd-160 a7ff3b859683a551d01b0618517b2848794370fe

16661840 as geometric shapes

Circle

Radius = n
Diameter 33323680
Circumference 104689428.27858
Area 8.7215925183456E+14

Sphere

Radius = n
Volume 1.9375703878116E+22
Surface area 3.4886370073383E+15
Circumference 104689428.27858

Square

Length = n
Perimeter 66647360
Area 277616912185600
Diagonal 23563400.102091

Cube

Length = n
Surface area 1665701473113600
Volume 4.6256085721305E+21
Space diagonal 28859153.427583

Equilateral Triangle

Length = n
Perimeter 49985520
Area 1.2021164923646E+14
Altitude 14429576.713792

Triangular Pyramid

Length = n
Surface area 1.2021164923646E+14
Volume 5.4513319807802E+20
Height 7854466.7006968