21297795 is an odd 8-digits composite number following 21297794
and preceding 21297796 . In scientific notation, it is written as 2.1297795 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 11282400 positive integers (up to 21297795) that are relatively prime to 21297795.
21297795 has 16 divisors, whose sum is 34305792
The reverse of 21297795 is 59779212
Previous prime number is 151
Is Prime? no Number parity odd Number length 8 Sum of Digits 42 Digital Root 6
Name
twenty-one million two hundred ninety-seven thousand seven hundred ninety-five
Scientific notation
2.1297795 × 10^7
Engineering notation
2.1297795 × 10^6
Prime Factorization
5 × 3 × 151 × 9403
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
21297795 Product of the distinct prime numbers
The prime factorization of 21297795 is 5 × 3 × 151 × 9403.
Since it has a total of 4 prime factors.
7 , 10 , 39 , 63 , 851 , 7 , 5588 , 1564 , 650 , 77505 , 994539 , 160077 , 8516447 , 8950713 , 92886148 , 57893481 , 671335252 , 323635971 , 8446704543 , 7888507015
n×2
42595590
n×3
63893385
n×4
85191180
n×5
106488975
n÷2
10648897.5
n÷3
7099265
n÷3
5324448.75
n÷5
4259559
n2
453596071862025
n3
9.6605961513227E+21
n4
2.0574939640866E+29
n5
4.3820084660854E+36
2 √n4614.9534125493
3 √n277.19041849322
4 √n67.933448407609
5 √n29.219106305833
1 , 3 , 5 , 15 , 151 , 453 , 755 , 2265 , 9403 , 28209 , 47015 , 141045 , 1419853 , 4259559 , 7099265 , 21297795
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
-21297794 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 21297795 can be divided by 16 positive divisors.
The sum of these divisors (counting 21297795) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001111101010000011
3
Ternary
1111002001002020
4
Quaternary
1101033222003
5
Quinary
20423012140
6
Senary
2040252523
8
Octal
121175203
10
Decimal
21297795
12
Duodecimal
7171143
16
Hexadecimal
144fa83
20
Vigesimal
6d249f
36
Base36
cohhf
md5
cf7170f117960f0a9cb201de9be7ee82
sha1
4f945a290b068273791c41451f78487ec214f771
sha256
0a3191f9b31dff931f0549dec71a12b0735828de3f2302de383bdd138b4b0cff
sha512
434b3042acd5fa280bad3d2b4e2f7570f7631b11b5b6f29fbe5ad45dcb709648df06e29a0fd9a6b5c5a550d4868895da094752e60dcf475f00ef598b5145cc06
ripemd-160
adc6779b38da6e0a073290b42bdeda7714012ba7
Diameter
42595590
Circumference
133817992.61932
Area
1.4250140870589E+15
Volume
4.0466210531058E+22
Surface area
5.7000563482357E+15
Circumference
133817992.61932
Perimeter
85191180
Area
453596071862025
Diagonal
30119630.537642
Surface area
2721576431172150
Volume
9.6605961513227E+21
Space diagonal
36888863.029186
Perimeter
63893385
Area
1.9641286064467E+14
Altitude
18444431.514593
Surface area
1.9641286064467E+14
Volume
1.1385121748175E+21
Height
10039876.845881