21242215 is an odd 8-digits composite number following 21242214
and preceding 21242216 . In scientific notation, it is written as 2.1242215 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 16598400 positive integers (up to 21242215) that are relatively prime to 21242215.
21242215 has 4 divisors, whose sum is 21341232
The reverse of 21242215 is 51224212
Previous prime number is 215
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million two hundred forty-two thousand two hundred fifteen
Scientific notation
2.1242215 × 10^7
Engineering notation
2.1242215 × 10^6
Prime Factorization
215 × 98801
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21242215
Product of the distinct prime numbers
The prime factorization of 21242215 is 215 × 98801.
Since it has a total of 2 prime factors.
9 , 1 , 17 , 36 , 309 , 756 , 4706 , 3018 , 52779 , 62225 , 383806 , 747780 , 4172439 , 1012461 , 83310650 , 87658646 , 615186020 , 219656307 , 6788145752 , 809336706
n×2
42484430
n×3
63726645
n×4
84968860
n×5
106211075
n÷2
10621107.5
n÷3
7080738.3333333
n÷3
5310553.75
n÷5
4248443
n2
451231698106225
n3
9.5851607459875E+21
n4
2.0361004537583E+29
n5
4.3251283600331E+36
2 √n
4608.9277494879
3 √n
276.94908420472
4 √n
67.889084170343
5 √n
29.203839975956
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
-21242214
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 21242215 can be divided by 4 positive divisors.
The sum of these divisors (counting 21242215) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001000010000101100111
3
Ternary
1110222012211201
4
Quaternary
1101002011213
5
Quinary
20414222330
6
Senary
2035143331
8
Octal
121020547
10
Decimal
21242215
12
Duodecimal
7144b47
16
Hexadecimal
1442167
20
Vigesimal
6cf5af
36
Base36
cnalj
md5
7b7f1e02249746934c42c93b0a933f49
sha1
fd531f0a6ea0ba01e4e3f35b2d6e482aedc57810
sha256
ee3e8420aa605a75532d674d867f15628b2e48bf1f820360acfa25d5304efead
sha512
92b6ddadc1d6f4195a2f1a165dbf74dca65ec308cfd5fb16eef7dc368296f4f85cb7c426bd93ba9c221447e76faf2445fedea1e2fca1e2c78aa77afc0c1fa8ff
ripemd-160
ac51e25bbce77461242c373efedcee28cc9f8f08
Diameter
42484430
Circumference
133468773.17995
Area
1.4175861878374E+15
Volume
4.0150227444096E+22
Surface area
5.6703447513495E+15
Circumference
133468773.17995
Perimeter
84968860
Area
451231698106225
Diagonal
30041028.547845
Surface area
2707390188637350
Volume
9.5851607459875E+21
Space diagonal
36792595.645302
Perimeter
63726645
Area
1.9538905677639E+14
Altitude
18396297.822651
Surface area
1.9538905677639E+14
Volume
1.1296220270418E+21
Height
10013676.182615