20106991 (number)

20106991 is an odd 8-digits composite number following 20106990 and preceding 20106992. In scientific notation, it is written as 2.0106991 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19232752 positive integers (up to 20106991) that are relatively prime to 20106991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0106991 × 10^7
Engineering notation 2.0106991 × 10^6

Prime Factorization of 20106991

Prime Factorization 23 × 874217

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20106991
Product of the distinct prime numbers

The prime factorization of 20106991 is 23 × 874217. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20106991)

Multiplication

n×y
n×2 40213982
n×3 60320973
n×4 80427964
n×5 100534955

Division

n÷y
n÷2 10053495.5
n÷3 6702330.3333333
n÷3 5026747.75
n÷5 4021398.2

Exponentiation

ny
n2 404291087074081
n3 8.1290772491788E+21
n4 1.6345128308754E+29
n5 3.2865134779797E+36

Nth Root

y√n
2√n 4484.0819573242
3√n 271.92493152591
4√n 66.963288131066
5√n 28.88480345174

Divisors of 20106991

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 -20106990
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 20106991 can be divided by 4 positive divisors. The sum of these divisors (counting 20106991) is 1, the average is 0.25.

Base conversion 20106991

Base System Value
2 Binary 1001100101100111011101111
3 Ternary 1101211112121101
4 Quaternary 1030230323233
5 Quinary 20121410431
6 Senary 1554543531
8 Octal 114547357
10 Decimal 20106991
12 Duodecimal 6897ba7
16 Hexadecimal 132ceef
20 Vigesimal 65d79b
36 Base36 byynj

Cryptographic Hash Functions

md5 597df06bebf758c03c3498ec7ef8c69d
sha1 5b624b8055c6b125353cf380c36ab7a053bef3fc
sha256 e90faafe1aaa15bd9857d294b4500db34f85b16bf5d4a54256ae8201a82bc96b
sha512 eaaf1201233934d63790cca5211fa96001f7f3b405fa41f14fcf98db03aef4e3789d977954cfcbe045b892386f5abca8cd559ab207e0c36d671445eb0f4d9b36
ripemd-160 2bd9c03624b8e66aa987ae837c8b4f79ab23bb8c

20106991 as geometric shapes

Circle

Radius = n
Diameter 40213982
Circumference 126335950.42279
Area 1.2701179090638E+15

Sphere

Radius = n
Volume 3.4050999155312E+22
Surface area 5.0804716362551E+15
Circumference 126335950.42279

Square

Length = n
Perimeter 80427964
Area 404291087074081
Diagonal 28435579.370714

Cube

Length = n
Surface area 2425746522444486
Volume 8.1290772491788E+21
Space diagonal 34826329.99933

Equilateral Triangle

Length = n
Perimeter 60320973
Area 1.7506317596489E+14
Altitude 17413164.999665

Triangular Pyramid

Length = n
Surface area 1.7506317596489E+14
Volume 9.580209412806E+20
Height 9478526.4569046