21568243 is an odd 8-digits prime number following 21568242
and preceding 21568244 . In scientific notation, it is written as 2.1568243 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 21568242 positive integers (up to 21568243) that are relatively prime to 21568243.
21568243 has 2 divisors, whose sum is 21568244
The reverse of 21568243 is 34286512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred sixty-eight thousand two hundred forty-three
Scientific notation
2.1568243 × 10^7
Engineering notation
2.1568243 × 10^6
Prime Factorization
21568243
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21568243
Product of the distinct prime numbers
The prime factorization of 21568243 is 21568243.
Since it has a total of 1 prime factors.
7 , 5 , 1 , 73 , 932 , 371 , 467 , 5117 , 24033 , 97593 , 110255 , 553751 , 6325360 , 186841 , 92946866 , 7409697 , 187348579 , 213921128 , 97765860 , 4349983026
n×2
43136486
n×3
64704729
n×4
86272972
n×5
107841215
n÷2
10784121.5
n÷3
7189414.3333333
n÷3
5392060.75
n÷5
4313648.6
n2
465189106107049
n3
1.003331168147E+22
n4
2.1640090444068E+29
n5
4.6673872923963E+36
2 √n
4644.1622495344
3 √n
278.35877887374
4 √n
68.148090578786
5 √n
29.292939429001
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21568244
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10784122
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4644.1623571964
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999072711
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568243 can be divided by 2 positive divisors.
The sum of these divisors (counting 21568243) is 21568244, the average is 10784122.
Base
System
Value
2
Binary
1010010010001101011110011
3
Ternary
1111120210001211
4
Quaternary
1102101223303
5
Quinary
21010140433
6
Senary
2050140551
8
Octal
122215363
10
Decimal
21568243
12
Duodecimal
7281757
16
Hexadecimal
1491af3
20
Vigesimal
6eg0c3
36
Base36
cua5v
md5
3768dbee33b4ed323d1713f80a006ef0
sha1
64e555826c4d9e45f0b6b133b9b64adb2b0b57e3
sha256
56c6a97cd36e23231251290cbf8bcb5e390dcafda238898e9841671bad4a2b32
sha512
969a41c5f1b1f87baa4f694ed3159e4600649225a43a437d4fc5c4ccb8ef2b986b820746617e07a7a6d74cb1e3654a39f12886ca2ff22406e7fe0bf7e6cbfdc3
ripemd-160
72d2de00a699937f95365d1bc2d35f1da99e3990
Diameter
43136486
Circumference
135517267.51928
Area
1.4614346782759E+15
Volume
4.2027437692909E+22
Surface area
5.8457387131036E+15
Circumference
135517267.51928
Perimeter
86272972
Area
465189106107049
Diagonal
30502101.767159
Surface area
2791134636642294
Volume
1.003331168147E+22
Space diagonal
37357292.705992
Perimeter
64704729
Area
2.0143279172624E+14
Altitude
18678646.352996
Surface area
2.0143279172624E+14
Volume
1.1824371212876E+21
Height
10167367.25572