21492047 is an odd 8-digits composite number following 21492046
and preceding 21492048 . In scientific notation, it is written as 2.1492047 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 21475560 positive integers (up to 21492047) that are relatively prime to 21492047.
21492047 has 4 divisors, whose sum is 21508536
The reverse of 21492047 is 74029412
Previous prime number is 1427
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand forty-seven
Scientific notation
2.1492047 × 10^7
Engineering notation
2.1492047 × 10^6
Prime Factorization
1427 × 15061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492047
Product of the distinct prime numbers
The prime factorization of 21492047 is 1427 × 15061.
Since it has a total of 2 prime factors.
6 , 9 , 17 , 98 , 31 , 263 , 9271 , 3714 , 47019 , 97579 , 96854 , 810204 , 7209888 , 1199385 , 59585213 , 98073127 , 778387147 , 296805587 , 3038918441 , 767198592
n×2
42984094
n×3
64476141
n×4
85968188
n×5
107460235
n÷2
10746023.5
n÷3
7164015.6666667
n÷3
5373011.75
n÷5
4298409.4
n2
461908084250209
n3
9.9273502563855E+21
n4
2.133590782957E+29
n5
4.5855233386078E+36
2 √n
4635.9515743804
3 √n
278.03059805025
4 √n
68.087822511668
5 √n
29.272212978602
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
-21492046
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 21492047 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492047) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111000101001111
3
Ternary
1111102220112202
4
Quaternary
1101333011033
5
Quinary
21000221142
6
Senary
2044352115
8
Octal
121770517
10
Decimal
21492047
12
Duodecimal
724563b
16
Hexadecimal
147f14f
20
Vigesimal
6e6a27
36
Base36
csndb
md5
41d872afaad9a001c00a49141eaa11ef
sha1
ee68e2db2c733ea43d6cae22d1d4e15f69f92f5c
sha256
00e2afb1fa34024b67962b495dd3b275a91f4a586769c910bd9555a48ae9f268
sha512
73a4fe7dc9f1b47324eae2b40110b6b52e1657f6a99885651f1f751b1c9287372d4d1ea24dc44488d0e488f86acf2306c03b5d13b130e35de92f42cac0713ffd
ripemd-160
e58cb3fdc8f8b588853db9aaacf0b1870630fd69
Diameter
42984094
Circumference
135038513.93161
Area
1.4511270441142E+15
Volume
4.1583587513431E+22
Surface area
5.8045081764568E+15
Circumference
135038513.93161
Perimeter
85968188
Area
461908084250209
Diagonal
30394344.35056
Surface area
2771448505501254
Volume
9.9273502563855E+21
Space diagonal
37225317.362658
Perimeter
64476141
Area
2.0001206758704E+14
Altitude
18612658.681329
Surface area
2.0001206758704E+14
Volume
1.169949447584E+21
Height
10131448.116853