21301085 is an odd 8-digits composite number following 21301084
and preceding 21301086 . In scientific notation, it is written as 2.1301085 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors.
There are 14376960 positive integers (up to 21301085) that are relatively prime to 21301085.
21301085 has 32 divisors, whose sum is 29992032
The reverse of 21301085 is 58010312
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million three hundred one thousand eighty-five
Scientific notation
2.1301085 × 10^7
Engineering notation
2.1301085 × 10^6
Prime Factorization
5 × 13 × 17 × 37 × 521
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21301085
Product of the distinct prime numbers
The prime factorization of 21301085 is 5 × 13 × 17 × 37 × 521.
Since it has a total of 5 prime factors.
10 , 8 , 69 , 29 , 655 , 385 , 609 , 5882 , 5919 , 46303 , 246301 , 599367 , 4981350 , 6313969 , 39712283 , 80539973 , 815594137 , 925580676 , 3216580068 , 8095722475
n×2
42602170
n×3
63903255
n×4
85204340
n×5
106505425
n÷2
10650542.5
n÷3
7100361.6666667
n÷3
5325271.25
n÷5
4260217
n2
453736222177225
n3
9.665073836176E+21
n4
2.0587655931566E+29
n5
4.3853940894904E+36
2 √n
4615.3098487534
3 √n
277.20469085525
4 √n
67.936071778941
5 √n
29.220008980691
1 , 5 , 13 , 17 , 37 , 65 , 85 , 185 , 221 , 481 , 521 , 629 , 1105 , 2405 , 2605 , 3145 , 6773 , 8177 , 8857 , 19277 , 33865 , 40885 , 44285 , 96385 , 115141 , 250601 , 327709 , 575705 , 1253005 , 1638545 , 4260217 , 21301085
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21301084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21301085 can be divided by 32 positive divisors.
The sum of these divisors (counting 21301085) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001010000011101011101
3
Ternary
1111002012121002
4
Quaternary
1101100131131
5
Quinary
20423113320
6
Senary
2040320045
8
Octal
121203535
10
Decimal
21301085
12
Duodecimal
7173025
16
Hexadecimal
145075d
20
Vigesimal
6d2ce5
36
Base36
cok0t
md5
bf2c9ae2210118e6573ed2d7e3bcc922
sha1
9559cba00d1e8835ce0b87cd124a4441aa7e5fe4
sha256
c122e1d1e53befd547aea0f5e32090c0f94c47c3cdef89a77f747a2077ff6cac
sha512
07389753e66a411c3671cb9dc5d7aaa014109287952cd1b5a927fcadf53a99e3cc4a9d9ce49c5f9a583cdadc8ec9acfe071f3c34a358b75b4cd90b836bdc888a
ripemd-160
f0584cadc1bd87e9867711bec8784c9ac516d909
Diameter
42602170
Circumference
133838664.29898
Area
1.4254543822596E+15
Volume
4.0484966613511E+22
Surface area
5.7018175290382E+15
Circumference
133838664.29898
Perimeter
85204340
Area
453736222177225
Diagonal
30124283.300262
Surface area
2722417333063350
Volume
9.665073836176E+21
Space diagonal
36894561.476343
Perimeter
63903255
Area
1.9647354751133E+14
Altitude
18447280.738172
Surface area
1.9647354751133E+14
Volume
1.1390398750381E+21
Height
10041427.766754