15661997 (number)

15661997 is an odd 8-digits composite number following 15661996 and preceding 15661998. In scientific notation, it is written as 1.5661997 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 14391360 positive integers (up to 15661997) that are relatively prime to 15661997.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661997 × 10^7
Engineering notation 1.5661997 × 10^6

Prime Factorization of 15661997

Prime Factorization 13 × 229 × 5261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15661997
Product of the distinct prime numbers

The prime factorization of 15661997 is 13 × 229 × 5261. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661997)

Multiplication

n×y
n×2 31323994
n×3 46985991
n×4 62647988
n×5 78309985

Division

n÷y
n÷2 7830998.5
n÷3 5220665.6666667
n÷3 3915499.25
n÷5 3132399.4

Exponentiation

ny
n2 245298150028009
n3 3.8418588898442E+21
n4 6.0171182407164E+28
n5 9.4240087834745E+35

Nth Root

y√n
2√n 3957.5240997371
3√n 250.19716180135
4√n 62.908855495368
5√n 27.477007184147

Divisors of 15661997

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661997 can be divided by 8 positive divisors. The sum of these divisors (counting 15661997) is 1, the average is 0.125.

Base conversion 15661997

Base System Value
2 Binary 111011101111101110101101
3 Ternary 1002110201012222
4 Quaternary 323233232231
5 Quinary 13002140442
6 Senary 1315405125
8 Octal 73575655
10 Decimal 15661997
12 Duodecimal 52b37a5
16 Hexadecimal eefbad
20 Vigesimal 4hhejh
36 Base36 9bovh

Cryptographic Hash Functions

md5 b4a094f7afc3b8b3ad3ac7d87d84d6b0
sha1 35c364f7753461be1d164e6333af76b317480f35
sha256 7368a5a259c2b03a7595bb737f7540d7bea1d773adcae041bf5ce8f8d55515dd
sha512 4d58940a7e0e99730e23369c76d2105e60d6f406d690f05976a2e1e0ad952c0fe20873617b2fdbe4f217af72d18f5d25b4474424f4cfd059b8ce881c22c0f92e
ripemd-160 32242463ce53fdfb3fe7ba42ba4279a05ea304c2

15661997 as geometric shapes

Circle

Radius = n
Diameter 31323994
Circumference 98407229.431491
Area 7.7062686606716E+14

Sphere

Radius = n
Volume 1.6092740885951E+22
Surface area 3.0825074642686E+15
Circumference 98407229.431491

Square

Length = n
Perimeter 62647988
Area 245298150028009
Diagonal 22149408.571247

Cube

Length = n
Surface area 1471788900168054
Volume 3.8418588898442E+21
Space diagonal 27127374.551991

Equilateral Triangle

Length = n
Perimeter 46985991
Area 1.0621721471279E+14
Altitude 13563687.275996

Triangular Pyramid

Length = n
Surface area 1.0621721471279E+14
Volume 4.5276741222845E+20
Height 7383136.1904156