15690981 (number)

15690981 is an odd 8-digits composite number following 15690980 and preceding 15690982. In scientific notation, it is written as 1.5690981 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 10460652 positive integers (up to 15690981) that are relatively prime to 15690981.

Interesting facts

Basic properties

Name

Name fifteen million six hundred ninety thousand nine hundred eighty-one

Notation

Scientific notation 1.5690981 × 10^7
Engineering notation 1.5690981 × 10^6

Prime Factorization of 15690981

Prime Factorization 3 × 5230327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15690981
Product of the distinct prime numbers

The prime factorization of 15690981 is 3 × 5230327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15690981)

Multiplication

n×y
n×2 31381962
n×3 47072943
n×4 62763924
n×5 78454905

Division

n÷y
n÷2 7845490.5
n÷3 5230327
n÷3 3922745.25
n÷5 3138196.2

Exponentiation

ny
n2 246206884742361
n3 3.8632275505616E+21
n4 6.0617830094538E+28
n5 9.5115322027463E+35

Nth Root

y√n
2√n 3961.1842926075
3√n 250.35140449476
4√n 62.937940009246
5√n 27.487169422199

Divisors of 15690981

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 -15690980
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 15690981 can be divided by 4 positive divisors. The sum of these divisors (counting 15690981) is 1, the average is 0.25.

Base conversion 15690981

Base System Value
2 Binary 111011110110110011100101
3 Ternary 1002112011222110
4 Quaternary 323312303211
5 Quinary 13004102411
6 Senary 1320151233
8 Octal 73666345
10 Decimal 15690981
12 Duodecimal 5308519
16 Hexadecimal ef6ce5
20 Vigesimal 4i1791
36 Base36 9cb8l

Cryptographic Hash Functions

md5 d9f41abc52fe5b208673d9c40ae70db8
sha1 74209e79b72c608726e0c439200a29478dd32981
sha256 fade5a6087a5408ca08f1c65c77748d1122eb0fe776748eed3fd7868867b933b
sha512 b10518b62c289d2d9aa15da4065564c621fa496a01dd0efa01b525490028a3901a230aa22285ca88a6bfe4cfa1a5c44bda4643ba095543113fc45654ebaa06d7
ripemd-160 5a5c1adc3596556987fddb44086985f3f2144ae6

15690981 as geometric shapes

Circle

Radius = n
Diameter 31381962
Circumference 98589341.274434
Area 7.7348174036983E+14

Sphere

Radius = n
Volume 1.6182249722653E+22
Surface area 3.0939269614793E+15
Circumference 98589341.274434

Square

Length = n
Perimeter 62763924
Area 246206884742361
Diagonal 22190398.137139

Cube

Length = n
Surface area 1477241308454166
Volume 3.8632275505616E+21
Space diagonal 27177576.312598

Equilateral Triangle

Length = n
Perimeter 47072943
Area 1.0661070838676E+14
Altitude 13588788.156299

Triangular Pyramid

Length = n
Surface area 1.0661070838676E+14
Volume 4.552857330448E+20
Height 7396799.3790462