20997906 (number)

20997906 is an even 8-digits composite number following 20997905 and preceding 20997907. In scientific notation, it is written as 2.0997906 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 6999300 positive integers (up to 20997906) that are relatively prime to 20997906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0997906 × 10^7
Engineering notation 2.0997906 × 10^6

Prime Factorization of 20997906

Prime Factorization 2 × 3 × 3499651

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20997906
Product of the distinct prime numbers

The prime factorization of 20997906 is 2 × 3 × 3499651. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20997906)

Multiplication

n×y
n×2 41995812
n×3 62993718
n×4 83991624
n×5 104989530

Division

n÷y
n÷2 10498953
n÷3 6999302
n÷3 5249476.5
n÷5 4199581.2

Exponentiation

ny
n2 440912056384836
n3 9.2582299142355E+21
n4 1.944034414655E+29
n5 4.0820651899692E+36

Nth Root

y√n
2√n 4582.3472151289
3√n 275.88324719484
4√n 67.693036681249
5√n 29.13635348886

Divisors of 20997906

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 -20997905
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 20997906 can be divided by 8 positive divisors. The sum of these divisors (counting 20997906) is 1, the average is 0.125.

Base conversion 20997906

Base System Value
2 Binary 1010000000110011100010010
3 Ternary 1110111210201020
4 Quaternary 1100012130102
5 Quinary 20333413111
6 Senary 2030020310
8 Octal 120063422
10 Decimal 20997906
12 Duodecimal 7047696
16 Hexadecimal 1406712
20 Vigesimal 6b4ef6
36 Base36 ci236

Cryptographic Hash Functions

md5 c45faab3b52415afff1be114a1db012a
sha1 c05ac7353145182013e7e450ed3e0f60f6822c97
sha256 29e649d381c37316f9e56ef1b3d9ec89c6d7986bb8115568f74a426c36960e5a
sha512 1cbebae4c42b1c5e5ee2b893da5de7a2c8d629ffe4046ec7eb7ae18f80b4bd68318217561ed38d4f7ea3441d404e93499f16ff57b24cd9b8c91db624abc12696
ripemd-160 45e4d942aa36829c8ec5f2e43943d50fe6e163a8

20997906 as geometric shapes

Circle

Radius = n
Diameter 41995812
Circumference 131933734.46074
Area 1.3851660772178E+15

Sphere

Radius = n
Volume 3.878078277841E+22
Surface area 5.5406643088711E+15
Circumference 131933734.46074

Square

Length = n
Perimeter 83991624
Area 440912056384836
Diagonal 29695523.446635

Cube

Length = n
Surface area 2645472338309016
Volume 9.2582299142355E+21
Space diagonal 36369440.044555

Equilateral Triangle

Length = n
Perimeter 62993718
Area 1.9092052083205E+14
Altitude 18184720.022278

Triangular Pyramid

Length = n
Surface area 1.9092052083205E+14
Volume 1.0910928590233E+21
Height 9898507.8155451