21097615 is an odd 8-digits composite number following 21097614
and preceding 21097616 . In scientific notation, it is written as 2.1097615 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 13151520 positive integers (up to 21097615) that are relatively prime to 21097615.
21097615 has 8 divisors, whose sum is 24550400
The reverse of 21097615 is 51679012
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million ninety-seven thousand six hundred fifteen
Scientific notation
2.1097615 × 10^7
Engineering notation
2.1097615 × 10^6
Prime Factorization
55 × 7 × 54799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21097615
Product of the distinct prime numbers
The prime factorization of 21097615 is 55 × 7 × 54799.
Since it has a total of 3 prime factors.
9 , 1 , 59 , 9 , 343 , 231 , 6263 , 3387 , 65332 , 98907 , 931997 , 853108 , 8943580 , 1877102 , 3379899 , 55016618 , 241108997 , 358741255 , 4178025450 , 4952473804
n×2
42195230
n×3
63292845
n×4
84390460
n×5
105488075
n÷2
10548807.5
n÷3
7032538.3333333
n÷3
5274403.75
n÷5
4219523
n2
445109358688225
n3
9.3907458825011E+21
n4
1.9812234119184E+29
n5
4.1799088773641E+36
2 √n
4593.2140163506
3 √n
276.31923696061
4 √n
67.77325443234
5 √n
29.163971997681
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
-21097614
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 21097615 can be divided by 8 positive divisors.
The sum of these divisors (counting 21097615) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011110110010001111
3
Ternary
1110200212111011
4
Quaternary
1100132302033
5
Quinary
20400110430
6
Senary
2032110051
8
Octal
120366217
10
Decimal
21097615
12
Duodecimal
7095327
16
Hexadecimal
141ec8f
20
Vigesimal
6bh40f
36
Base36
ck70v
md5
c39537fd9f2109314c2d759d5a4a8cfa
sha1
00e699f33d4005533768faa880be1b8c1a6ce082
sha256
2c1a546b40de89bd78bee3b34a3e03dc140ce3e915fad4172abdeb9e2b5b4d5d
sha512
d6815ed46fff6387e24162794df9b04d5c689e30f278a945e1572177fd1a57a9c90b6568e497d89c20f8e9b9be39e397ed92872e629f25988498e50d7890cc3d
ripemd-160
6f9b5ff1ecadc13bd76d4e2388525f4e94355aee
Diameter
42195230
Circumference
132560224.58453
Area
1.398352291299E+15
Volume
3.9335864368259E+22
Surface area
5.593409165196E+15
Circumference
132560224.58453
Perimeter
84390460
Area
445109358688225
Diagonal
29836533.266726
Surface area
2670656152129350
Volume
9.3907458825011E+21
Space diagonal
36542141.098527
Perimeter
63292845
Area
1.927380060431E+14
Altitude
18271070.549264
Surface area
1.927380060431E+14
Volume
1.1067100156527E+21
Height
9945511.0889087