21492019 (number)

21492019 is an odd 8-digits composite number following 21492018 and preceding 21492020. In scientific notation, it is written as 2.1492019 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21034696 positive integers (up to 21492019) that are relatively prime to 21492019.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nineteen

Notation

Scientific notation 2.1492019 × 10^7
Engineering notation 2.1492019 × 10^6

Prime Factorization of 21492019

Prime Factorization 47 × 457277

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492019
Product of the distinct prime numbers

The prime factorization of 21492019 is 47 × 457277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492019)

Multiplication

n×y
n×2 42984038
n×3 64476057
n×4 85968076
n×5 107460095

Division

n÷y
n÷2 10746009.5
n÷3 7164006.3333333
n÷3 5373004.75
n÷5 4298403.8

Exponentiation

ny
n2 461906880696361
n3 9.9273114561569E+21
n4 2.1335796643464E+29
n5 4.5854934684147E+36

Nth Root

y√n
2√n 4635.9485545032
3√n 278.03047731008
4√n 68.087800335326
5√n 29.272205351386

Divisors of 21492019

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 -21492018
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 21492019 can be divided by 4 positive divisors. The sum of these divisors (counting 21492019) is 1, the average is 0.25.

Base conversion 21492019

Base System Value
2 Binary 1010001111111000100110011
3 Ternary 1111102220111201
4 Quaternary 1101333010303
5 Quinary 21000221034
6 Senary 2044352031
8 Octal 121770463
10 Decimal 21492019
12 Duodecimal 7245617
16 Hexadecimal 147f133
20 Vigesimal 6e6a0j
36 Base36 csncj

Cryptographic Hash Functions

md5 9f396c614ba588c16cf62ce4c700c754
sha1 90fc6e66c4bbc10fa8e5d3fefc45a97eb671b7ed
sha256 3855fc2fcf01a09efbc47f8c78efdd3690a13a05050303a772a3e02b2d70cf9f
sha512 36af150a174ab79c83acccee0484c801e821d4914f05fe5db3a70bb37c0678867de960cfbe7719b25e232e7acee66812ac789e36575475c2f7d4f560da622a21
ripemd-160 1e408b5b178b4189f6a222671ce01e0315e7aa0f

21492019 as geometric shapes

Circle

Radius = n
Diameter 42984038
Circumference 135038338.00242
Area 1.4511232630383E+15

Sphere

Radius = n
Volume 4.1583424987414E+22
Surface area 5.8044930521531E+15
Circumference 135038338.00242

Square

Length = n
Perimeter 85968076
Area 461906880696361
Diagonal 30394304.75258

Cube

Length = n
Surface area 2771441284178166
Volume 9.9273114561569E+21
Space diagonal 37225268.865236

Equilateral Triangle

Length = n
Perimeter 64476057
Area 2.0001154643294E+14
Altitude 18612634.432618

Triangular Pyramid

Length = n
Surface area 2.0001154643294E+14
Volume 1.1699448749332E+21
Height 10131434.917527