21240161 is an odd 8-digits prime number following 21240160
and preceding 21240162 . In scientific notation, it is written as 2.1240161 × 10^7.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 21240160 positive integers (up to 21240161) that are relatively prime to 21240161.
21240161 has 2 divisors, whose sum is 21240162
The reverse of 21240161 is 16104212
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million two hundred forty thousand one hundred sixty-one
Scientific notation
2.1240161 × 10^7
Engineering notation
2.1240161 × 10^6
Prime Factorization
21240161
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21240161
Product of the distinct prime numbers
The prime factorization of 21240161 is 21240161.
Since it has a total of 1 prime factors.
4 , 2 , 9 , 68 , 153 , 89 , 5793 , 1148 , 5045 , 39675 , 229861 , 551513 , 9838579 , 3752172 , 54566023 , 74169999 , 212295000 , 216728134 , 2160844360 , 475155466
n×2
42480322
n×3
63720483
n×4
84960644
n×5
106200805
n÷2
10620080.5
n÷3
7080053.6666667
n÷3
5310040.25
n÷5
4248032.2
n2
451144439305921
n3
9.5823805251125E+21
n4
2.0353130511665E+29
n5
4.3230376892179E+36
2 √n
4608.7049157003
3 √n
276.94015745587
4 √n
67.887442989851
5 √n
29.203275185444
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21240162
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10620081
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4608.7050241906
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999058388
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21240161 can be divided by 2 positive divisors.
The sum of these divisors (counting 21240161) is 21240162, the average is 10620081.
Base
System
Value
2
Binary
1010001000001100101100001
3
Ternary
1110222010000122
4
Quaternary
1101001211201
5
Quinary
20414141121
6
Senary
2035130025
8
Octal
121014541
10
Decimal
21240161
12
Duodecimal
7143915
16
Hexadecimal
1441961
20
Vigesimal
6cf081
36
Base36
cn90h
md5
95297a3584a79dd19d145d02c049cd82
sha1
3afbf47c0007cb34d38acebfae189a71a6ae584e
sha256
42ce0b70124f92fd11421c34f383ecd5878255c383bd4770076e7909598ebd57
sha512
74d394a450f3bc8c05be139ecdecc4644ad302d16c70e28fb2c00e8107c3b0dd6c1a53c264ca9c250394f86b712ab164af9d5eed8cdbfda6d2b4168e5a000044
ripemd-160
87711a28b382c72f57a555b379283a1fb90522da
Diameter
42480322
Circumference
133455867.51733
Area
1.4173120562314E+15
Volume
4.0138581682127E+22
Surface area
5.6692482249255E+15
Circumference
133455867.51733
Perimeter
84960644
Area
451144439305921
Diagonal
30038123.753188
Surface area
2706866635835526
Volume
9.5823805251125E+21
Space diagonal
36789038.012943
Perimeter
63720483
Area
1.9535127260751E+14
Altitude
18394519.006471
Surface area
1.9535127260751E+14
Volume
1.1292943748695E+21
Height
10012707.917729