21568249 is an odd 8-digits composite number following 21568248
and preceding 21568250 . In scientific notation, it is written as 2.1568249 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20433060 positive integers (up to 21568249) that are relatively prime to 21568249.
21568249 has 4 divisors, whose sum is 22703440
The reverse of 21568249 is 94286512
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred sixty-eight thousand two hundred forty-nine
Scientific notation
2.1568249 × 10^7
Engineering notation
2.1568249 × 10^6
Prime Factorization
19 × 1135171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21568249
Product of the distinct prime numbers
The prime factorization of 21568249 is 19 × 1135171.
Since it has a total of 2 prime factors.
3 , 9 , 33 , 54 , 574 , 501 , 8718 , 8583 , 96272 , 59805 , 505014 , 797627 , 6292681 , 7191178 , 10713977 , 88035035 , 124567486 , 670195750 , 3361045195 , 3538943988
n×2
43136498
n×3
64704747
n×4
86272996
n×5
107841245
n÷2
10784124.5
n÷3
7189416.3333333
n÷3
5392062.25
n÷5
4313649.8
n2
465189364926001
n3
1.0033320054876E+22
n4
2.1640114524026E+29
n5
4.667393784427E+36
2 √n
4644.1628955066
3 √n
278.35880468565
4 √n
68.148095318259
5 √n
29.292941058782
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
-21568248
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 21568249 can be divided by 4 positive divisors.
The sum of these divisors (counting 21568249) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010010001101011111001
3
Ternary
1111120210002001
4
Quaternary
1102101223321
5
Quinary
21010140444
6
Senary
2050141001
8
Octal
122215371
10
Decimal
21568249
12
Duodecimal
7281761
16
Hexadecimal
1491af9
20
Vigesimal
6eg0c9
36
Base36
cua61
md5
6f539d5f8fc15b4d56f0d174b0a21489
sha1
d8e6a1fa4c04680bd9badd7eb93d31074e36359d
sha256
c0ea726a6b48ac763d5e3e8db12a0a268b1ed986740ff23c03507362d4be4713
sha512
64263819cd0239f3fc8ae4d00fc7743b5d7665c2883f35f4add9b6a7d78b77f2c666319d824e026650e3a31d7952a784a9345f21085e23a2abcdb240470232ac
ripemd-160
1497320230e70ccd02055f4e32d5f3e0a4f63a74
Diameter
43136498
Circumference
135517305.21839
Area
1.4614354913796E+15
Volume
4.2027472767351E+22
Surface area
5.8457419655185E+15
Circumference
135517305.21839
Perimeter
86272996
Area
465189364926001
Diagonal
30502110.25244
Surface area
2791136189556006
Volume
1.0033320054876E+22
Space diagonal
37357303.098297
Perimeter
64704747
Area
2.0143290379813E+14
Altitude
18678651.549148
Surface area
2.0143290379813E+14
Volume
1.182438108103E+21
Height
10167370.084147