21242261 is an odd 8-digits composite number following 21242260
and preceding 21242262 . In scientific notation, it is written as 2.1242261 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 20632288 positive integers (up to 21242261) that are relatively prime to 21242261.
21242261 has 8 divisors, whose sum is 21859200
The reverse of 21242261 is 16224212
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million two hundred forty-two thousand two hundred sixty-one
Scientific notation
2.1242261 × 10^7
Engineering notation
2.1242261 × 10^6
Prime Factorization
47 × 137 × 3299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21242261
Product of the distinct prime numbers
The prime factorization of 21242261 is 47 × 137 × 3299.
Since it has a total of 3 prime factors.
3 , 2 , 9 , 47 , 75 , 854 , 8326 , 2105 , 7242 , 36663 , 97395 , 480165 , 17552 , 7272765 , 52700570 , 32123689 , 906916458 , 327347288 , 1557782631 , 7237823761
n×2
42484522
n×3
63726783
n×4
84969044
n×5
106211305
n÷2
10621130.5
n÷3
7080753.6666667
n÷3
5310565.25
n÷5
4248452.2
n2
451233652392121
n3
9.5852230160967E+21
n4
2.0361180905113E+29
n5
4.3251751905463E+36
2 √n
4608.9327398
3 √n
276.94928411559
4 √n
67.889120923753
5 √n
29.203852624124
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
-21242260
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 21242261 can be divided by 8 positive divisors.
The sum of these divisors (counting 21242261) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001000010000110010101
3
Ternary
1110222012220102
4
Quaternary
1101002012111
5
Quinary
20414223021
6
Senary
2035143445
8
Octal
121020625
10
Decimal
21242261
12
Duodecimal
7144b85
16
Hexadecimal
1442195
20
Vigesimal
6cf5d1
36
Base36
cnamt
md5
140e7b087acabda95121b546a70ded45
sha1
55b5f9b143ee13a9e58ca6a13d7060dcec320687
sha256
820c3b7c5272513ebfc2186ec9bfea73a7965afeed7b158f66885466f1e1ecd7
sha512
61a2fceabcfbb35bab261c480e750d1627fa1fb5136e323767bad55b3bbdb87b32547bed35eeb1aff476151bd4de9a72c84d20e841e4ac311cd9f22116615227
ripemd-160
4b2dd287adbe141c4bdebf7172c43d3d677be221
Diameter
42484522
Circumference
133469062.20647
Area
1.4175923274076E+15
Volume
4.0150488280519E+22
Surface area
5.6703693096303E+15
Circumference
133469062.20647
Perimeter
84969044
Area
451233652392121
Diagonal
30041093.601669
Surface area
2707401914352726
Volume
9.5852230160967E+21
Space diagonal
36792675.319639
Perimeter
63726783
Area
1.9538990300701E+14
Altitude
18396337.659819
Surface area
1.9538990300701E+14
Volume
1.1296293656446E+21
Height
10013697.867223