20991693 (number)

20991693 is an odd 8-digits composite number following 20991692 and preceding 20991694. In scientific notation, it is written as 2.0991693 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13994460 positive integers (up to 20991693) that are relatively prime to 20991693.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand six hundred ninety-three

Notation

Scientific notation 2.0991693 × 10^7
Engineering notation 2.0991693 × 10^6

Prime Factorization of 20991693

Prime Factorization 3 × 6997231

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20991693
Product of the distinct prime numbers

The prime factorization of 20991693 is 3 × 6997231. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20991693)

Multiplication

n×y
n×2 41983386
n×3 62975079
n×4 83966772
n×5 104958465

Division

n÷y
n÷2 10495846.5
n÷3 6997231
n÷3 5247923.25
n÷5 4198338.6

Exponentiation

ny
n2 440651175006249
n3 9.2500141858205E+21
n4 1.9417345803439E+29
n5 4.0760296198063E+36

Nth Root

y√n
2√n 4581.6692372977
3√n 275.85603445438
4√n 67.688028759137
5√n 29.134629073167

Divisors of 20991693

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 -20991692
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 20991693 can be divided by 4 positive divisors. The sum of these divisors (counting 20991693) is 1, the average is 0.25.

Base conversion 20991693

Base System Value
2 Binary 1010000000100111011001101
3 Ternary 1110111111012010
4 Quaternary 1100010323031
5 Quinary 20333213233
6 Senary 2025531433
8 Octal 120047315
10 Decimal 20991693
12 Duodecimal 7043b79
16 Hexadecimal 1404ecd
20 Vigesimal 6b3j4d
36 Base36 chxal

Cryptographic Hash Functions

md5 ca0e0f694f8a1da656e39f05ca43047b
sha1 0b4806acafaef12ec1d09511fc1e5719a0f7ac34
sha256 6f07a261d96b9ed3cf9fcc528b7ea870e2659687f777b74374b859c6ed28d8d2
sha512 2ffbb8db91bdef9147c291fc143793cd83018a71c8809783b50f20d8fa3d3ee96f5b8e0d067e9aace80bee2da3c92f219d78bbe1a0d030dc84e8842240f83e24
ripemd-160 9e8f901c907e673917e941ac866ecf391829a408

20991693 as geometric shapes

Circle

Radius = n
Diameter 41983386
Circumference 131894697.03042
Area 1.3843464941953E+15

Sphere

Radius = n
Volume 3.87463688157E+22
Surface area 5.5373859767814E+15
Circumference 131894697.03042

Square

Length = n
Perimeter 83966772
Area 440651175006249
Diagonal 29686736.937772

Cube

Length = n
Surface area 2643907050037494
Volume 9.2500141858205E+21
Space diagonal 36358678.812888

Equilateral Triangle

Length = n
Perimeter 62975079
Area 1.9080755588144E+14
Altitude 18179339.406444

Triangular Pyramid

Length = n
Surface area 1.9080755588144E+14
Volume 1.0901246261442E+21
Height 9895578.9792575