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.
21492019 has 4 divisors, whose sum is 21949344
The reverse of 21492019 is 91029412
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety-two thousand nineteen
Scientific notation
2.1492019 × 10^7
Engineering notation
2.1492019 × 10^6
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.
8 , 2 , 83 , 64 , 558 , 427 , 4886 , 8552 , 43012 , 40723 , 910190 , 973013 , 161651 , 1900482 , 61875664 , 24414743 , 253126752 , 222551899 , 2183100722 , 4718429523
n×2
42984038
n×3
64476057
n×4
85968076
n×5
107460095
n÷2
10746009.5
n÷3
7164006.3333333
n÷3
5373004.75
n÷5
4298403.8
n2
461906880696361
n3
9.9273114561569E+21
n4
2.1335796643464E+29
n5
4.5854934684147E+36
2 √n
4635.9485545032
3 √n
278.03047731008
4 √n
68.087800335326
5 √n
29.272205351386
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
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
md5
9f396c614ba588c16cf62ce4c700c754
sha1
90fc6e66c4bbc10fa8e5d3fefc45a97eb671b7ed
sha256
3855fc2fcf01a09efbc47f8c78efdd3690a13a05050303a772a3e02b2d70cf9f
sha512
36af150a174ab79c83acccee0484c801e821d4914f05fe5db3a70bb37c0678867de960cfbe7719b25e232e7acee66812ac789e36575475c2f7d4f560da622a21
ripemd-160
1e408b5b178b4189f6a222671ce01e0315e7aa0f
Diameter
42984038
Circumference
135038338.00242
Area
1.4511232630383E+15
Volume
4.1583424987414E+22
Surface area
5.8044930521531E+15
Circumference
135038338.00242
Perimeter
85968076
Area
461906880696361
Diagonal
30394304.75258
Surface area
2771441284178166
Volume
9.9273114561569E+21
Space diagonal
37225268.865236
Perimeter
64476057
Area
2.0001154643294E+14
Altitude
18612634.432618
Surface area
2.0001154643294E+14
Volume
1.1699448749332E+21
Height
10131434.917527