21909899 (number)

21909899 is an odd 8-digits composite number following 21909898 and preceding 21909900. In scientific notation, it is written as 2.1909899 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 19797160 positive integers (up to 21909899) that are relatively prime to 21909899.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909899 × 10^7
Engineering notation 2.1909899 × 10^6

Prime Factorization of 21909899

Prime Factorization 11 × 167 × 11927

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21909899
Product of the distinct prime numbers

The prime factorization of 21909899 is 11 × 167 × 11927. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21909899)

Multiplication

n×y
n×2 43819798
n×3 65729697
n×4 87639596
n×5 109549495

Division

n÷y
n÷2 10954949.5
n÷3 7303299.6666667
n÷3 5477474.75
n÷5 4381979.8

Exponentiation

ny
n2 480043674190201
n3 1.0517708417096E+22
n4 2.3044192913003E+29
n5 5.0489593926041E+36

Nth Root

y√n
2√n 4680.8011066483
3√n 279.82088459435
4√n 68.416380397156
5√n 29.385161038885

Divisors of 21909899

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 -21909898
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 21909899 can be divided by 8 positive divisors. The sum of these divisors (counting 21909899) is 1, the average is 0.125.

Base conversion 21909899

Base System Value
2 Binary 1010011100101000110001011
3 Ternary 1112020010201202
4 Quaternary 1103211012023
5 Quinary 21102104044
6 Senary 2101334415
8 Octal 123450613
10 Decimal 21909899
12 Duodecimal 740740b
16 Hexadecimal 14e518b
20 Vigesimal 6gieej
36 Base36 d1lsb

Cryptographic Hash Functions

md5 58dc54136578b0129a37458da3b8369d
sha1 9406af308135e0352b59d405e02ca53b80358d08
sha256 6ec6c2109418e9afc129dc1bce5b10dd33730a8662a6a23b94d4fb1ff401f5a8
sha512 f97b2b4e196ec25f09788a9a86cd7c1bb338f0c355d1b1ab1fa640144154a3f7b41f776e77ecafc6b8b02050e5ba2d99b6e64d660ea5fb5dabf7664968ef8bd9
ripemd-160 e2d1a59dfb23f25e35b4b159c23c15e7e5415de8

21909899 as geometric shapes

Circle

Radius = n
Diameter 43819798
Circumference 137663955.47859
Area 1.5081016802382E+15

Sphere

Radius = n
Volume 4.4056473994332E+22
Surface area 6.0324067209528E+15
Circumference 137663955.47859

Square

Length = n
Perimeter 87639596
Area 480043674190201
Diagonal 30985276.316025

Cube

Length = n
Surface area 2880262045141206
Volume 1.0517708417096E+22
Space diagonal 37949058.256703

Equilateral Triangle

Length = n
Perimeter 65729697
Area 2.0786500838737E+14
Altitude 18974529.128351

Triangular Pyramid

Length = n
Surface area 2.0786500838737E+14
Volume 1.2395238240453E+21
Height 10328425.438675