15661994 (number)

15661994 is an even 8-digits composite number following 15661993 and preceding 15661995. In scientific notation, it is written as 1.5661994 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 7702560 positive integers (up to 15661994) that are relatively prime to 15661994.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661994 × 10^7
Engineering notation 1.5661994 × 10^6

Prime Factorization of 15661994

Prime Factorization 2 × 61 × 128377

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15661994
Product of the distinct prime numbers

The prime factorization of 15661994 is 2 × 61 × 128377. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661994)

Multiplication

n×y
n×2 31323988
n×3 46985982
n×4 62647976
n×5 78309970

Division

n÷y
n÷2 7830997
n÷3 5220664.6666667
n÷3 3915498.5
n÷5 3132398.8

Exponentiation

ny
n2 245298056056036
n3 3.8418566821613E+21
n4 6.017113630487E+28
n5 9.4239997578006E+35

Nth Root

y√n
2√n 3957.5237207122
3√n 250.19714582656
4√n 62.908852482876
5√n 27.477006131522

Divisors of 15661994

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 -15661993
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 15661994 can be divided by 8 positive divisors. The sum of these divisors (counting 15661994) is 1, the average is 0.125.

Base conversion 15661994

Base System Value
2 Binary 111011101111101110101010
3 Ternary 1002110201012212
4 Quaternary 323233232222
5 Quinary 13002140434
6 Senary 1315405122
8 Octal 73575652
10 Decimal 15661994
12 Duodecimal 52b37a2
16 Hexadecimal eefbaa
20 Vigesimal 4hheje
36 Base36 9bove

Cryptographic Hash Functions

md5 377f32b851e2f9ba15008cd8ac98faf8
sha1 0e0cd9efee8def3d543c43b36b36299390ca468a
sha256 31b0c35ab4567dba706d2efac754b84fcc70db80b0ff3b4325fedbbb53315e91
sha512 090051367ebfd095e5370b4f36013580f1cd25a922088e7acec737d3cbce4bb2ade4d99dcbb86e2efb4038938883e6b0e239ab414bcb8f20104659f1f2465756
ripemd-160 e0af901aff7b2bb48f3e0da2f0bfa7e254f1dfbe

15661994 as geometric shapes

Circle

Radius = n
Diameter 31323988
Circumference 98407210.581935
Area 7.706265708455E+14

Sphere

Radius = n
Volume 1.609273163843E+22
Surface area 3.082506283382E+15
Circumference 98407210.581935

Square

Length = n
Perimeter 62647976
Area 245298056056036
Diagonal 22149404.328606

Cube

Length = n
Surface area 1471788336336216
Volume 3.8418566821613E+21
Space diagonal 27127369.355839

Equilateral Triangle

Length = n
Perimeter 46985982
Area 1.0621717402173E+14
Altitude 13563684.677919

Triangular Pyramid

Length = n
Surface area 1.0621717402173E+14
Volume 4.5276715205052E+20
Height 7383134.776202