15661642 (number)

15661642 is an even 8-digits composite number following 15661641 and preceding 15661643. In scientific notation, it is written as 1.5661642 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 7830820 positive integers (up to 15661642) that are relatively prime to 15661642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661642 × 10^7
Engineering notation 1.5661642 × 10^6

Prime Factorization of 15661642

Prime Factorization 2 × 7830821

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15661642
Product of the distinct prime numbers

The prime factorization of 15661642 is 2 × 7830821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661642)

Multiplication

n×y
n×2 31323284
n×3 46984926
n×4 62646568
n×5 78308210

Division

n÷y
n÷2 7830821
n÷3 5220547.3333333
n÷3 3915410.5
n÷5 3132328.4

Exponentiation

ny
n2 245287030136164
n3 3.8415976532358E+21
n4 6.0165727153019E+28
n5 9.4229407934027E+35

Nth Root

y√n
2√n 3957.4792482084
3√n 250.19527143655
4√n 62.908499014111
5√n 27.476882622433

Divisors of 15661642

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 -15661641
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 15661642 can be divided by 4 positive divisors. The sum of these divisors (counting 15661642) is 1, the average is 0.25.

Base conversion 15661642

Base System Value
2 Binary 111011101111101001001010
3 Ternary 1002110200201211
4 Quaternary 323233221022
5 Quinary 13002133032
6 Senary 1315403334
8 Octal 73575112
10 Decimal 15661642
12 Duodecimal 52b354a
16 Hexadecimal eefa4a
20 Vigesimal 4hhe22
36 Base36 9bolm

Cryptographic Hash Functions

md5 ddac8a2a05a94c285a80874fe689475b
sha1 371a8bea24621366d0d4d4dd64f827fb54cfae7a
sha256 dbe107ece7b782aa37c662b5397c142d0c3521b22d0e77be5786807514e48c72
sha512 3b5b3bd7ed2c86cec08d9d9391e1d07cff911afd98d116bb53b4146625b3fb13a5c79e1e85ad8c9ddb0475b2a68cba0dcf031d3eef77533eeda86907bc24721e
ripemd-160 344bc3592299edf3dc89c0c9703bfd1a65f0173d

15661642 as geometric shapes

Circle

Radius = n
Diameter 31323284
Circumference 98404998.900707
Area 7.7059193189663E+14

Sphere

Radius = n
Volume 1.6091646620605E+22
Surface area 3.0823677275865E+15
Circumference 98404998.900707

Square

Length = n
Perimeter 62646568
Area 245287030136164
Diagonal 22148906.525432

Cube

Length = n
Surface area 1471722180816984
Volume 3.8415976532358E+21
Space diagonal 27126759.673955

Equilateral Triangle

Length = n
Perimeter 46984926
Area 1.0621239965838E+14
Altitude 13563379.836977

Triangular Pyramid

Length = n
Surface area 1.0621239965838E+14
Volume 4.527366251989E+20
Height 7382968.8418107