15661644 (number)

15661644 is an even 8-digits composite number following 15661643 and preceding 15661645. In scientific notation, it is written as 1.5661644 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 5220544 positive integers (up to 15661644) that are relatively prime to 15661644.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand six hundred forty-four

Notation

Scientific notation 1.5661644 × 10^7
Engineering notation 1.5661644 × 10^6

Prime Factorization of 15661644

Prime Factorization 2 × 2 × 3 × 1305137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7830822
Product of the distinct prime numbers

The prime factorization of 15661644 is 2 × 2 × 3 × 1305137. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661644)

Multiplication

n×y
n×2 31323288
n×3 46984932
n×4 62646576
n×5 78308220

Division

n÷y
n÷2 7830822
n÷3 5220548
n÷3 3915411
n÷5 3132328.8

Exponentiation

ny
n2 245287092782736
n3 3.8415991249582E+21
n4 6.0165757885807E+28
n5 9.4229468099769E+35

Nth Root

y√n
2√n 3957.4795008945
3√n 250.19528208658
4√n 62.908501022473
5√n 27.476883324195

Divisors of 15661644

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661644 can be divided by 12 positive divisors. The sum of these divisors (counting 15661644) is 1, the average is 0.083333333333333.

Base conversion 15661644

Base System Value
2 Binary 111011101111101001001100
3 Ternary 1002110200201220
4 Quaternary 323233221030
5 Quinary 13002133034
6 Senary 1315403340
8 Octal 73575114
10 Decimal 15661644
12 Duodecimal 52b3550
16 Hexadecimal eefa4c
20 Vigesimal 4hhe24
36 Base36 9bolo

Cryptographic Hash Functions

md5 5df23bd23ead54df763296e2da346a67
sha1 feaab9453bd0f0e2cd17ed306c03374d5c31fb8c
sha256 1a1198f1573b332a6444ddcaea0baa29081d07fb822e2cfefca5cfc8af138d1b
sha512 849deb4a0a8ad4fd6f260ddde54bf8210d0ace0ff2cfb528090462cd8f46eae2ca66513ee3d17c027d3b952833e496e4bc1b361bff45c9d46b7be99329a132f9
ripemd-160 f2871382611a5f3663f8d2966947b15e7682e1a2

15661644 as geometric shapes

Circle

Radius = n
Diameter 31323288
Circumference 98405011.467077
Area 7.7059212870664E+14

Sphere

Radius = n
Volume 1.6091652785341E+22
Surface area 3.0823685148266E+15
Circumference 98405011.467077

Square

Length = n
Perimeter 62646576
Area 245287092782736
Diagonal 22148909.353859

Cube

Length = n
Surface area 1471722556696416
Volume 3.8415991249582E+21
Space diagonal 27126763.138056

Equilateral Triangle

Length = n
Perimeter 46984932
Area 1.0621242678514E+14
Altitude 13563381.569028

Triangular Pyramid

Length = n
Surface area 1.0621242678514E+14
Volume 4.5273679864304E+20
Height 7382969.7846197