21495345 is an odd 8-digits composite number following 21495344
and preceding 21495346 . In scientific notation, it is written as 2.1495345 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11358144 positive integers (up to 21495345) that are relatively prime to 21495345.
21495345 has 16 divisors, whose sum is 34710720
The reverse of 21495345 is 54359412
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-five thousand three hundred forty-five
Scientific notation
2.1495345 × 10^7
Engineering notation
2.1495345 × 10^6
Prime Factorization
3 × 5 × 109 × 13147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21495345
Product of the distinct prime numbers
The prime factorization of 21495345 is 3 × 5 × 109 × 13147.
Since it has a total of 4 prime factors.
4 , 6 , 2 , 35 , 832 , 551 , 7146 , 6833 , 47347 , 68003 , 187569 , 681912 , 8155883 , 2771131 , 55291686 , 71725848 , 134670416 , 313013908 , 9323126632 , 9020544785
n×2
42990690
n×3
64486035
n×4
85981380
n×5
107476725
n÷2
10747672.5
n÷3
7165115
n÷3
5373836.25
n÷5
4299069
n2
462049856669025
n3
9.9319210763012E+21
n4
2.1349007004787E+29
n5
4.5890427097531E+36
2 √n
4636.3072590155
3 √n
278.04481878368
4 √n
68.090434416411
5 √n
29.273111300044
1 , 3 , 5 , 15 , 109 , 327 , 545 , 1635 , 13147 , 39441 , 65735 , 197205 , 1433023 , 4299069 , 7165115 , 21495345
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21495344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21495345 can be divided by 16 positive divisors.
The sum of these divisors (counting 21495345) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111111000110001
3
Ternary
1111110002001220
4
Quaternary
1101333320301
5
Quinary
21000322340
6
Senary
2044415253
8
Octal
121777061
10
Decimal
21495345
12
Duodecimal
7247529
16
Hexadecimal
147fe31
20
Vigesimal
6e6i75
36
Base36
cspwx
md5
21fc44f3479d1075fa3492c9ea04a711
sha1
080a9787edbc1b217156986f06d43acfbf5cd7d1
sha256
7a60203bf13f4ed5f18aea8af5fcc4ced9d2c0335a01c283e760edcc8bd17c9a
sha512
9323038ddadc36135ea80c8625d91b84e5e4fb3cd0b19a30c7236ea97cf24dcb7ae05185a6d6711c631d1f04e4908cbf8e961aa89f5647721f67f554efdac1f7
ripemd-160
2f2bd086cfb271078a7abbee96973aee7fb78522
Diameter
42990690
Circumference
135059235.87676
Area
1.4515724353036E+15
Volume
4.1602733719122E+22
Surface area
5.8062897412145E+15
Circumference
135059235.87676
Perimeter
85981380
Area
462049856669025
Diagonal
30399008.426889
Surface area
2772299140014150
Volume
9.9319210763012E+21
Space diagonal
37231029.666222
Perimeter
64486035
Area
2.0007345684517E+14
Altitude
18615514.833111
Surface area
2.0007345684517E+14
Volume
1.170488123877E+21
Height
10133002.808963