20691890 (number)

20691890 is an even 8-digits composite number following 20691889 and preceding 20691891. In scientific notation, it is written as 2.0691890 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 7654144 positive integers (up to 20691890) that are relatively prime to 20691890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0691890 × 10^7
Engineering notation 2.0691890 × 10^6

Prime Factorization of 20691890

Prime Factorization 2 × 5 × 1003 × 2063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20691890
Product of the distinct prime numbers

The prime factorization of 20691890 is 2 × 5 × 1003 × 2063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 99, 83, 135, 68, 7314, 3776, 31869, 18317, 787458, 493172, 2751818, 4828154, 70018073, 61190891, 543098097, 785698784, 5906329844, 6741062031

Basic calculations (n = 20691890)

Multiplication

n×y
n×2 41383780
n×3 62075670
n×4 82767560
n×5 103459450

Division

n÷y
n÷2 10345945
n÷3 6897296.6666667
n÷3 5172972.5
n÷5 4138378

Exponentiation

ny
n2 428154311772100
n3 8.859321922214E+21
n4 1.8331611468904E+29
n5 3.793156880373E+36

Nth Root

y√n
2√n 4548.8339165109
3√n 274.53647534602
4√n 67.445043676396
5√n 29.050929484363

Divisors of 20691890

1, 2, 5, 10, 1003, 2006, 2063, 4126, 5015, 10030, 10315, 20630, 2069189, 4138378, 10345945, 20691890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20691889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20691890 can be divided by 16 positive divisors. The sum of these divisors (counting 20691890) is 1, the average is 0.0625.

Base conversion 20691890

Base System Value
2 Binary 1001110111011101110110010
3 Ternary 1102221020221022
4 Quaternary 1032323232302
5 Quinary 20244120030
6 Senary 2015255442
8 Octal 116735662
10 Decimal 20691890
12 Duodecimal 6b1a582
16 Hexadecimal 13bbbb2
20 Vigesimal 6969ea
36 Base36 cbhyq

Cryptographic Hash Functions

md5 9747cfebec8c4e5881f207bb4fe55578
sha1 39b49a1aeb70f232ee20860a0ff8210182c98a52
sha256 63a1cf51b62dbc14d4e91319c927a7152ac92d855aece1da5213a15a2821a9aa
sha512 57714ea00cd7bef59e2e4599545d4faadb00fda654546ab3a2903ffbc3cc4562c516374121a95938eeac9b4f93ef4a99407b9a9304e53c03bc89908de18091c8
ripemd-160 5e82ec1c3df323663f6a420c1e3a022758475192

20691890 as geometric shapes

Circle

Radius = n
Diameter 41383780
Circumference 130010979.22578
Area 1.345086440466E+15

Sphere

Radius = n
Volume 3.7109840888819E+22
Surface area 5.3803457618641E+15
Circumference 130010979.22578

Square

Length = n
Perimeter 82767560
Area 428154311772100
Diagonal 29262751.469132

Cube

Length = n
Surface area 2568925870632600
Volume 8.859321922214E+21
Space diagonal 35839404.784626

Equilateral Triangle

Length = n
Perimeter 62075670
Area 1.8539625536724E+14
Altitude 17919702.392313

Triangular Pyramid

Length = n
Surface area 1.8539625536724E+14
Volume 1.0440811013187E+21
Height 9754250.4897107