15661690 (number)

15661690 is an even 8-digits composite number following 15661689 and preceding 15661691. In scientific notation, it is written as 1.5661690 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 5655360 positive integers (up to 15661690) that are relatively prime to 15661690.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand six hundred ninety

Notation

Scientific notation 1.5661690 × 10^7
Engineering notation 1.5661690 × 10^6

Prime Factorization of 15661690

Prime Factorization 2 × 55 × 173 × 823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15661690
Product of the distinct prime numbers

The prime factorization of 15661690 is 2 × 55 × 173 × 823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661690)

Multiplication

n×y
n×2 31323380
n×3 46985070
n×4 62646760
n×5 78308450

Division

n÷y
n÷2 7830845
n÷3 5220563.3333333
n÷3 3915422.5
n÷5 3132338

Exponentiation

ny
n2 245288533656100
n3 3.8416329746764E+21
n4 6.016646474316E+28
n5 9.423085192033E+35

Nth Root

y√n
2√n 3957.4853126702
3√n 250.19552703684
4√n 62.908547214748
5√n 27.476899464712

Divisors of 15661690

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661690 can be divided by 16 positive divisors. The sum of these divisors (counting 15661690) is 1, the average is 0.0625.

Base conversion 15661690

Base System Value
2 Binary 111011101111101001111010
3 Ternary 1002110200210121
4 Quaternary 323233221322
5 Quinary 13002133230
6 Senary 1315403454
8 Octal 73575172
10 Decimal 15661690
12 Duodecimal 52b358a
16 Hexadecimal eefa7a
20 Vigesimal 4hhe4a
36 Base36 9bomy

Cryptographic Hash Functions

md5 86940749e7462d623ae727d6c906ab4e
sha1 d1569ec27f12f0a6bcea39f9cb25a934ad2610a4
sha256 860fa72770b455d4be81109123bb872b8c47992a9247b5cb8fbab214564e3f90
sha512 d7212deb942c460fd2fa3081c8452c9348300a3dbe74f31128ffe21100907d3c8037a7871f6f254ff2a1d7def0ec16a294db9bd294e72bc2488f95bf2912029a
ripemd-160 87a59d0c00015021ffef3193720f246601baa1b5

15661690 as geometric shapes

Circle

Radius = n
Diameter 31323380
Circumference 98405300.493601
Area 7.7059665534382E+14

Sphere

Radius = n
Volume 1.6091794574709E+22
Surface area 3.0823866213753E+15
Circumference 98405300.493601

Square

Length = n
Perimeter 62646760
Area 245288533656100
Diagonal 22148974.407683

Cube

Length = n
Surface area 1471731201936600
Volume 3.8416329746764E+21
Space diagonal 27126842.812393

Equilateral Triangle

Length = n
Perimeter 46985070
Area 1.0621305070161E+14
Altitude 13563421.406197

Triangular Pyramid

Length = n
Surface area 1.0621305070161E+14
Volume 4.5274078787059E+20
Height 7382991.4692277