20990906 (number)

20990906 is an even 8-digits composite number following 20990905 and preceding 20990907. In scientific notation, it is written as 2.0990906 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10156860 positive integers (up to 20990906) that are relatively prime to 20990906.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand nine hundred six

Notation

Scientific notation 2.0990906 × 10^7
Engineering notation 2.0990906 × 10^6

Prime Factorization of 20990906

Prime Factorization 2 × 31 × 338563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20990906
Product of the distinct prime numbers

The prime factorization of 20990906 is 2 × 31 × 338563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20990906)

Multiplication

n×y
n×2 41981812
n×3 62972718
n×4 83963624
n×5 104954530

Division

n÷y
n÷2 10495453
n÷3 6996968.6666667
n÷3 5247726.5
n÷5 4198181.2

Exponentiation

ny
n2 440618134700836
n3 9.2489738474006E+21
n4 1.9414434062724E+29
n5 4.0752656045385E+36

Nth Root

y√n
2√n 4581.5833507642
3√n 275.85258703652
4√n 67.687394326892
5√n 29.134410612494

Divisors of 20990906

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 -20990905
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 20990906 can be divided by 8 positive divisors. The sum of these divisors (counting 20990906) is 1, the average is 0.125.

Base conversion 20990906

Base System Value
2 Binary 1010000000100101110111010
3 Ternary 1110111110002222
4 Quaternary 1100010232322
5 Quinary 20333202111
6 Senary 2025524042
8 Octal 120045672
10 Decimal 20990906
12 Duodecimal 7043622
16 Hexadecimal 1404bba
20 Vigesimal 6b3h56
36 Base36 chwoq

Cryptographic Hash Functions

md5 30666f1446fb9ff4ce4046a47f9f2540
sha1 9f30270e5fdc421fc3d07fe0d6f4ab677f8fb867
sha256 ed8eb4fad78154e77dac520b933e9bc6565365f718f922b236a806929c876a5f
sha512 e596ca4f8e8ecead0e4d83a5f2939bfd0213b563eb779c0d1c42b82f8b096e36c0548b775f99d90d3738b528a92c22a624fa6b426818d16bd0ae5370c9f941b8
ripemd-160 5697c1529d84960af4224fd2d9bed2ed9c832a06

20990906 as geometric shapes

Circle

Radius = n
Diameter 41981812
Circumference 131889752.16359
Area 1.3842426950146E+15

Sphere

Radius = n
Volume 3.8742011056317E+22
Surface area 5.5369707800583E+15
Circumference 131889752.16359

Square

Length = n
Perimeter 83963624
Area 440618134700836
Diagonal 29685623.951699

Cube

Length = n
Surface area 2643708808205016
Volume 9.2489738474006E+21
Space diagonal 36357315.688902

Equilateral Triangle

Length = n
Perimeter 62972718
Area 1.9079324900952E+14
Altitude 18178657.844451

Triangular Pyramid

Length = n
Surface area 1.9079324900952E+14
Volume 1.0900020210857E+21
Height 9895207.9838996