21492238 is an even 8-digits composite number following 21492237
and preceding 21492239 . In scientific notation, it is written as 2.1492238 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10399440 positive integers (up to 21492238) that are relatively prime to 21492238.
21492238 has 8 divisors, whose sum is 33278400
The reverse of 21492238 is 83229412
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-two thousand two hundred thirty-eight
Scientific notation
2.1492238 × 10^7
Engineering notation
2.1492238 × 10^6
Prime Factorization
2 × 31 × 346649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21492238
Product of the distinct prime numbers
The prime factorization of 21492238 is 2 × 31 × 346649.
Since it has a total of 3 prime factors.
7 , 7 , 28 , 7 , 40 , 803 , 3233 , 8442 , 18037 , 74334 , 311828 , 437347 , 1076101 , 4624644 , 6721502 , 75090492 , 900552316 , 838605248 , 9053380023 , 2541751806
n×2
42984476
n×3
64476714
n×4
85968952
n×5
107461190
n÷2
10746119
n÷3
7164079.3333333
n÷3
5373059.5
n÷5
4298447.6
n2
461916294248644
n3
9.9276149320699E+21
n4
2.133666628924E+29
n5
4.5857271001492E+36
2 √n
4635.9721742047
3 √n
278.03142166789
4 √n
68.087973785425
5 √n
29.272265006897
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
-21492237
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 21492238 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111001000001110
3
Ternary
1111102220210211
4
Quaternary
1101333020032
5
Quinary
21000222423
6
Senary
2044353034
8
Octal
121771016
10
Decimal
21492238
12
Duodecimal
724577a
16
Hexadecimal
147f20e
20
Vigesimal
6e6abi
36
Base36
csnim
md5
b023cdce0c16ebc75eba00b23e329806
sha1
de331360fd607d7804b70bc4a76372626cd67284
sha256
9f5edf71742dc54ce5268f4f9da7e4858b981929cec4bec13d12b4a1291b4522
sha512
d696384fd0ed411da78aa42e4179805d693561f27b506b40fe421ee56a903692da90ef13de910116d364ce536b06de2e2781b6014993b65dd041f84fef2b1983
ripemd-160
0d48d98a9575864b59b09e5de5d8eb9442c9af2c
Diameter
42984476
Circumference
135039714.02001
Area
1.451152836585E+15
Volume
4.1584696184345E+22
Surface area
5.8046113463398E+15
Circumference
135039714.02001
Perimeter
85968952
Area
461916294248644
Diagonal
30394614.46535
Surface area
2771497765491864
Volume
9.9276149320699E+21
Space diagonal
37225648.184363
Perimeter
64476714
Area
2.0001562262065E+14
Altitude
18612824.092181
Surface area
2.0001562262065E+14
Volume
1.1699806399126E+21
Height
10131538.155117